FCC ID: U88GSTR1924DT-SPR CDMA In-Building RF Repeater

by: GS Instech Co., Ltd. latest update: 2007-06-29 model: GSTR1924DT-SPR

One grant has been issued under this FCC ID on 06/29/2007 (this is one of eight releases in 2007 for this grantee). Public details available include frequency information, manuals, and internal & external photos. some products also feature user submitted or linked instructions, password defaults, troubleshooting guides, warrantee terms, & drivers.

permalink for this FCC identifier

search for: Repair details

from iFixIt

Trade-in? Recycling locations

eg for Slack usage

all	frequencies		exhibits	applications
		manual

all exhibits 9
1 ~ 2007-06-29 9

app s				submitted / available
1	User Manual	Users Manual	pdf	1.85 MiB
1		Operational Description	pdf
1		Parts List/Tune Up Info	pdf
1		External Photos	pdf
1		ID Label/Location Info	pdf
1		Internal Photos	pdf
1		Cover Letter(s)	pdf
1		Test Setup Photos	pdf
1		Test Report	pdf

exhibit
download
text

User Manual

Users Manual

pdf

1.85 MiB

FCC ID : U88GSTR1924DT-SPR ATTACHMENT E.

- USER MANUAL -

HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 1/35 FCC ID : U88GSTR1924DT-SPR INFORMATION TO USER :

NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. CAUTION Changes or modifications not expressly approved by the manufacturer responsible for compliance could void the user's authority to operate the equipment HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 2/35 2 FCC ID : U88GSTR1924DT-SPR

- INDEX -

1. SUMMARY .................................................................................................................4 2. SYSTEM CONFIGURATION.....................................................................................6 3. SPECIFICATIONS...................................................................................................12 3.1 System Specifications (applicable to both Uplink & Downlink) ..................................................................... 12 3.2 Electrical and Environment Specifications....................................................................................................... 12 3.3 Functions.............................................................................................................................................................. 13 4. SET UP .....................................................................................................................16 4.1 System Set up....................................................................................................................................................... 16 4.2 Troubleshooting................................................................................................................................................... 19 5. WEB USER INTERFACE .........................................................................................26 5.1 IP Address verification and Explorer setting.................................................................................................... 26 5.2 PCS Web UI......................................................................................................................................................... 28 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 3/35 3 FCC ID : U88GSTR1924DT-SPR 1. SUMMARY US PCS 1900 RF repeater is an analog RF repeater, which improves PCS network. US PCS 1900 RF repeater receives RF signal from BTS and transmits it to the blanked and shadowed area, thus providing and improving voice and image data services. US PCS 1900 RF repeaters goal is to support BTSs functions proportionately. US PCS 1900 RF repeater communicates with BTS wirelessly, thus saving additional costs for its maintenance. US PCS 1900 RF repeater consists of PA (Downlink, Uplink), IF, LNA (Downlink, Uplink), I/O &

Control divisions, which are supplied with Alarm LED, thus providing quick and easy maintenance and troubleshooting of the repeater. This manual describes in general structure of US PCS1900 repeater, its application, maintenance and troubleshooting, installation and operation etc. Abbreviation PAM: POWER AMPLIFIER MODULE LNA: LOW NOISE AMPLIFIER AGC: AUTO GAIN CONTROL ALC: AUTO LIMIT CONTROL HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 4/35 4 FCC ID : U88GSTR1924DT-SPR Ethernet Instruction This equipment is indoor use and all the communication wirings are limited to inside of the building or similar texts. For PLUGGABLE EQUIPMENT, the socket-outlet shall be installed near the equipment and shall be easily accessible. Replaceable batteries instruction CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECTIVE TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 5/35 5 FCC ID : U88GSTR1924DT-SPR 2. System Configuration 2.1 US PCS 1900 service organization US PCS 1900 repeater decreases blanked and shadowed areas and extends cell coverage by re-

transmitting signal. The signal is received from BTS via Antenna directly, thus excluding additional expenses for signal transmission (like cabling). Service organization of CDMA In-

building RF repeater is shown at the picture below. Donor Antenna is directed to BTS, and being divided at Service Antennas are installed in the building and parking place. Pass Loss should be taken into consideration while dividing and cabling.

<Pic.1> US PCS 1900 Service organization HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 6/35 6 FCC ID : U88GSTR1924DT-SPR 2.2 System Design and Operation 2.2.1 System design 3 3 2 2 1 1 9 9 7 7 6 6 5 5 4 4 8 8 10 10 11 11 12 12 13 13 1 Donor Cavity 1 Donor Cavity 1 Donor Cavity 1 Donor Cavity 2 Service Cavity 2 Service Cavity 2 Service Cavity 2 Service Cavity 3 I/O & NMS Board 4 IF-10MHz 3 I/O & NMS Board 4 IF-10MHz 3 I/O & NMS Board 3 I/O & NMS Board 4 IF-10MHz 4 IF-10MHz 5 IF-15MHz 5 IF-15MHz 5 IF-15MHz 5 IF-15MHz 6 IF-20MHz 6 IF-20MHz 6 IF-20MHz 6 IF-20MHz 7 RVS LNA 7 RVS LNA 7 RVS LNA 7 RVS LNA 8 FWD LNA 8 FWD LNA 8 FWD LNA 8 FWD LNA 9 Waveform Detector 10 FWD PAM 9 Waveform Detector 10 FWD PAM 9 Waveform Detector 9 Waveform Detector 10 FWD PAM 10 FWD PAM 11 RVS PAM 11 RVS PAM 11 RVS PAM 11 RVS PAM 12 Power Supply 12 Power Supply 12 Power Supply 12 Power Supply 13 HUB 13 HUB 13 HUB 13 HUB

<Pic.2> Repeaters inside structure HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 7/35 7 FCC ID : U88GSTR1924DT-SPR 2 2 3 3 4 4 5 5 1 1 6 6 1 Donor Antenna 2 Service Antenna 3 AC Input Port 1 Donor Antenna 2 Service Antenna 3 AC Input Port 1 Donor Antenna 1 Donor Antenna 2 Service Antenna 2 Service Antenna 3 AC Input Port 3 AC Input Port 4 DC Input Port 4 DC Input Port 4 DC Input Port 4 DC Input Port 5 CLI 5 CLI 5 CLI 5 CLI 6 Ethernet HUB 6 Ethernet HUB 6 Ethernet HUB 6 Ethernet HUB

<Pic.3> Repeaters Top and Bottom panels HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 8/35 8 FCC ID : U88GSTR1924DT-SPR

<Pic.4> AC & DC ports HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 9/35 9 FCC ID : U88GSTR1924DT-SPR 2.2.2 Uplink Path FWD and RVS Gain Budgets have similar structure. In case of Uplink Path, RF signal is transmitted from Service Antenna to Service Cavity Filter and RVS LNA division, then the signal is transferred to IF division, where desirable Band is selected by passing 6 Paths of RF Switch and SAW filter. Selected Band is got together in FWD LNA division, and then transmitted to Donor Antenna passing through Digital ATT (10dB ATT Range) and Donor Cavity Filter. Then the signal is transmitted to BTS through Donor Antenna.

<Pic.5> Uplink Block Diagram 2.2.3 Downlink Path Downlink Path is organized in reverse order of Uplink Path. In case of Downlink Path, RF signal is transmitted from Donor Antenna to Donor Cavity Filter and FWD LNA division, then the signal is transferred to IF division, where desirable Band is selected by passing 6 Paths of RF Switch and SAW filter. Attenuation range is 40dB in Digital Attenuator. Selected Band is transmitted to FWD Drive Am and Service Cavity Filter, after that the signal is transferred to Service Antenna. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 10/35 10 FCC ID : U88GSTR1924DT-SPR

<Pic.6> Downlink Block Diagram 2.2.4 US PCS Frequency Selection A A D D B B E E F F C C G G 1930 1930 1945 1945 1950 1950 1965 1965 1970 1970 1975 1975 1990 1990 1995 1995 f (MHz) f (MHz)

< Forward Band Structure >

A A D D B B E E F F C C G G 1850 1850 1865 1865 1870 1870 1885 1885 1890 1890 1895 1895 1910 1910 1915 1915 f (MHz) f (MHz)

< Reverse Band Structure >

<Pic.7> PCS Band Structure US PCS 1900 repeater has 5MHz, 10MHz, 15MHz, 20MHz Paths in IF division, so any of these bandwidths can be chosen for providing service. But there are some cases when this choice is not applicable.

- Not continuous 4 Paths [5 MHz each], so total band is 20MHz (i.e. A1A3B2C1, A1A2B1B2) HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 11/35 11 FCC ID : U88GSTR1924DT-SPR 3. Specifications 3.1 System Specifications (applicable to both Uplink & Downlink) Characteristics Frequency Range Forward Reverse System Group Delay Characteristic Impedance VSWR Input Power Range System Isolation Gain Range Noise Figure Gain Adjustment Step(Accuracy) Pass Band Ripple Maximum Output Power Spurious Emissions IF Path IF Frequency Band Select Roll Offs Waveform Quality Factor Specification 1930 ~ 1995MHz 1850 ~ 1915MHz

< 5 50 ohm Max1.5 : 1

-100 ~ -20dBm (for both Uplink and Downlink)

> 90dB 40dB ~ 80 dB

< 4.5 dB @ Max Gain

<12 dB @Min Gain 1dB(0.5dB) 2.5dB(1.25dB) 250mW / 24dBm

>45 dBc @885kHz

>55 dBc @1.98kHz

<-13dBm @Fc2.25MHz (RBW: 1MHz) 5MHz/10MHz/15MHz/20MHz FWD: 200 MHz, RVS: 120MHz Local Shift & RF Switching

> 50dBc @1MHz min 0.912 3.2 Electrical and Environment Specifications Characteristics Size(inch) / Type Power Specification 16.1(W) x 17.7(L) x 6.89(H) AC 120V 60Hz 3.0A HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 12/35 12 FCC ID : U88GSTR1924DT-SPR Temperature / Weight Connector TYPE 3.3 Functions

-10 ~+50 /

N Type Female 35.1lbs Parameter Gain Control AGS Auto Gain Setting Specification Adjustable DL and UL Gain range 40~80dB Display default Gain and current Gain function AGS (Auto Gain Setting) Use convenient Set-up AGS start AGS start D/L,U/L ATT: 0dB D/L,U/L ATT: 0dB HPA: ON, ALC: ON, Isolation Check: ON HPA: ON, ALC: ON, Isolation Check: ON Isolation generation: Wave detection using Isolation generation: Wave detection using noise floor level detect noise floor level detect Isolation analysis: isolation fault System Isolation analysis: isolation fault System Gain 1dB reduce Gain 1dB reduce AGS (Auto Gain Setting) AGS (Auto Gain Setting) Installation time calculation: in AGS . Installation time calculation: in AGS . No No System Gain + 7dB System Gain + 7dB isolation detection value isolation detection value Yes Yes Max. Gain & isolation O.K Max. Gain & isolation O.K Yes Yes No No Gain reduce &

Gain reduce &

isolation O.K isolation O.K Display Notice Display Notice HPA: Off HPA: Off HPA: ON, Gain balance: ON, HPA: ON, Gain balance: ON, AGC: ON, Shut-down: ON AGC: ON, Shut-down: ON AGS done AGS done Sever ANT Tuning Sever ANT Tuning Re-installation: AGS Re-installation: AGS No No Current setting Current setting maintenance maintenance Yes Yes HPA: ON HPA: ON AGC Auto Gain Control ALC Auto Limit Control It always operates in Downlink AGC ON status To maintain same Downlink output power despite flexible input signal strength. To add or subtract Attenuation level referring to AGC Power Limit level. To limit output power as far as default range Set up via GUI Automatic Gain decrement when output power of repeater is higher than default level Automatic Gain recovery when output power of repeater is reduced. Shutdown when output power is higher than default level in Minimum Gain Automatic Recovery Algorithm conversion after Shutdown status HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 13/35 13 FCC ID : U88GSTR1924DT-SPR Gain Balance Oscillation Check Spurious Emission Alarm Band Select Power Monitoring Function DL Input control Automatic Recovery Security Temperature control VSWR Monitoring IP address report via E-

mail Downlink ATT is applied to Uplink during AGC state Setting and maintenance of output level Additional attenuation to ALC Level Isolation Check in initial set up or Reset Monitoring Oscillation comparing to minimum/maximum Noise Floor level When Oscillation occurred, repeater attempts to stabilize Isolation through Gain control function. Shutdown repeater when Oscillation still goes in Minimum Gain Automatic Recovery Algorithm conversion after Shutdown status Noise Floor Observation in case of 2.25MHz down at the center In case of Noise level > 13dBm, Spurious Emission is stabilized automatically In case of Oscillation Spurious Emission Alarming in Minimum Gain, repeater will be shutdown Automatically Switch to Recovery Algorithm at Shutdown To select either 5MHz/10MHz/15MHz/20MHz Monitoring repeaters output level Monitoring Donor ANT input power of DL When in repeater shutdown, it periodically recovers output power of repeater then monitors alarming Support HTTPS for Web Browser security User authentication through User ID and Password Monitoring temperature of repeater Maximum and minimum set up is possible. Shutdown in over temperature Automatic recovery after temperature becomes normal. (Hysteresis 10 degree) Monitoring VSWR of Donor ANT Port (Every one and half minute) Reporting VSWR Alarm and Shutdown when the rate is 3:1 Automatic Recovery Algorithm conversion after Shutdown status When in PPP reconnection, E-mail which includes HTML to connect to newly assigned IP Address, reports to operator. DHCP Client Automatic IP assignment DHCP Server function for automatic IP assignment HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 14/35 14 FCC ID : U88GSTR1924DT-SPR Server Web GUI Remote and local user browser support through Web Browser SNMP Agent NMS report via SNMPv2 Trap LED Display LED displays power and operation status on front side of repeater system. DL input and output signal level is verified by LED bar. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 15/35 15 FCC ID : U88GSTR1924DT-SPR 4. SET UP 4.1 System Set up 4.1.1 Constitution (based on 1 SET) Parameter Item Quantity Remark Major accessory CDMA 24dBm repeater Additional components Ethernet Cable (cross) Power Supply Cable Fixable Screw x 4 (Size: 1/2, length: 2 ) Ground Cable CD which contains User Manual and installation Guide User Manual Installation Guide (Book) Antenna Donor ANT Server ANT RF Cable Antenna connection Cable 1 EA 1 EA 1 EA 1 SET 1 EA 1 EA 1 EA 1EA 1EA TBD Repeater quality confirmation equipment Spectrum Analyzer 1EA Manufacture company supply Manufacture company supply Manufacture company supply Establishment construction company preparation Establishment construction company preparation Establishment construction company preparation 4.1.2 Notice 1) System Power check: Major electricity is AC110V, therefore please input electricity after power verification. 2) Input condition optimization: DL input condition is -56 ~ -16dBm. User should verify input condition of Donor ANT. 3) Isolation check between DONOR/SERVICE ANT: Isolation condition of this equipment is 95dBc (Gain+

15dB). User should check its condition before installation. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 16/35 16 FCC ID : U88GSTR1924DT-SPR

<Pic. 8> MS 3100 A 10SL-3 (Wall Mount Receptacle) & MS3010 A 10SL-3(Plug) 4.1.3 System set up 1) This equipment is basically wall mountable installation. 2) Once aforementioned process is done, open for service get ready. 3) For grounding, there is a grounding terminal in main power supply side and the grounding terminal on a site and unit should be connected same. 4) System installation work is basically performed more than two people and should be careful for unexpected accident. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 17/35 17 FCC ID : U88GSTR1924DT-SPR 4.1.4 Open for service

<Pic.9> Case mounts 1) Check points before open a. Verification of system installation status Electricity, In/out antenna, coaxial cable connection, equipment mounts status. b. Verification of system accessories User should check whole necessary accessories. c. Check receipt signal level User should check whether receipt environmental condition is in accordance with system specification, so that system operation will be optimized. 2) Check points after open HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 18/35 18 FCC ID : U88GSTR1924DT-SPR a. Check by external LED in normal status, Red light in Shutdown RUN: Green light ON (Off: Green light off) ALARM: Green light in normal status, Red light in alarming SHUT DOWN: Green light Number of LED bar on front side of repeater will show input signal level. Less than -56dBm: LED 1bar

-56dBm~-48dBm: LED 2bars

-48dBm~-39dBm: LED 3 bars

-39dBm~-31dBm: LED 4 bars

-31dBm~-23dBm: LED 5 bars Number of LED bar in output power side will show output power signal level Less than +15dBm: LED 1bar

+16dBm~+17dBm: LED 2 bars

+18dBm~+19dBm: LED 3 bars

+20dBm~+22dBm: LED 4 bars More than +23dBm: LED 5 bars

<Pic.10> Front LED Indicator 4.2 Troubleshooting In case, abnormal operation is detected, user should check abnormal parts via remote accessible HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 19/35 19 FCC ID : U88GSTR1924DT-SPR function or field debug, then conduct repair after turn it off. 4.2.1 Necessary Testing and measuring equipment a. RF Power Meter: 10Watt Max, 50ohm b. Signal Generator: 3GHz c. Spectrum Analyzer: 3GHz d. Multi Meter 4.2.2 Notice a. Trouble shooting should be performed with drastic knowledge basis. b. Unsure parts should not be disassembled. c. When in trouble shooting, technician should use attenuator to check output side. 4.2.3 Note at set up process / Check point after open for service Item Check Point Trouble shooting Note before system operation

* System Input power range Same as above

* System Gain Input Level Down Link Up Link

-100dBm/Total ~ -20dBm/Total

-100dBm/Total ~ -20dBm/Total Down Link Up Link Gain 40 ~ 80dB 40 ~ 80dB HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 20/35 20 FCC ID : U88GSTR1924DT-SPR Same as above

* Output power at edge port side Check in Advance

* Check points before open for service Check after open

* Check points after open for service Down Link Up Link Output power 24dBm/Total 24dBm/Total

* Please check quantity of all accessories with specification before you set up.

* Fit cable length in accordance with field condition.

* Set up Donor antenna to assure enough Isolation (More than 87dBc)

* Check following status

- Fixable level of antenna support pole

- Connection status between antenna and RF cable

- RF Cable construction and fixed status

- fix of repeater and installation status

- Electricity construction and proper AC power status

- Plug status and electricity voltage status

- wall socket and voltage status

- Grounding (EARTH) status

- Direction of Donor antenna

(PN Offset and neighborhood BTS to be considered.)

- Ground status of repeater (unit itself)

- Coaxial cable construction status

- Connector combiner connection status

- Cable connection status against leakage of water 4.2.4 Trouble shooting guide related to RF Symptom Check Point Troubleshooting HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 21/35 21 FCC ID : U88GSTR1924DT-SPR When repeater does not work properly Same as above

* Checking Electricity Cord connection status

* Checking electricity input to AC power outlet. When in alarming

* DL over-input alarm When in alarming When in alarming When in alarming When in alarming When in alarming

* DL over-output alarm

* UL over-output alarm

* VSWR alarm

* IF Module alarm

* DL, UL PAM alarm

* Re-plug in AC power cord

* Please verify AC power input by using DVM (Digital Voltage Meter)

* Please Check following status

- Proper maximum output power limit level

- BTS input level (Spectrum Level)

- Input RSSI value at Status mode

- Downlink Attenuation level

- Downlink Attenuation Table

* Please reset AC power upon complete Alarm trouble shooting

* Please make sure output power is operated normally.

* Please reset AC power upon complete Alarm trouble shooting.

* Please make sure output level is operated normally

* Please reset AC power upon complete Alarm trouble shooting

* Please Check following status

- Antenna port connection

- Whether inner-output cable is damaged or not.

* Please reset AC power upon complete Alarm trouble shooting

* Please verify IF Module LED is On.

* When LED is Off, module should be defective.

* Please reset AC power upon complete Alarm trouble shooting HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 22/35 22 FCC ID : U88GSTR1924DT-SPR When in alarming When in alarming When in alarming When in alarming When in alarming When in alarming

* DC matter/Current alarm

* UL Oscillation

* DL / UL LNA alarm

* Temperature alarm

* DL low-input alarm

* DL low-output alarm When in alarming When output power is no longer strong or problem

* RF OFF

* Technician should verify category of alarm at the front side of repeater.

* Please verify DC power by using DVM (Digital Voltage Meter)

* Please reset AC power upon complete Alarm trouble shooting.

* Please check Isolation between Donor and Server.

* Please reset AC power upon complete Alarm trouble shooting.

* Please check connection status of LNA.

* Please reset AC power upon complete Alarm trouble shooting

* Please Check following status

- Setting level of maximum temperature limit

- Temperature offset is normal or not.

- Circumstance temperature.

* Please reset AC power upon complete Alarm trouble shooting

* Please Check following status

- Output power level is normal or not.

- Whether minimum output limit level is normal.

* Please reset AC power upon complete Alarm trouble shooting

* When Red light on the Shutdown LED, technician should troubleshoot the alarm via Notebook computer. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 23/35 23 FCC ID : U88GSTR1924DT-SPR Same as above * Technician should connect antenna with output port of repeater.

* Please make sure all connectors are fastened

* Reconnect the connector.

* Please change it if the connector is detective. Same as above * Check the input level not to

* Increase output power or check input change of BTS side. be too low. Same as above

* Check Gain of the unit Same as above * Cable loose or over loss. In case of drop call or bad signal after set up Same as above

* Check receipt signal strength in the service area not to be too low.

* If receipt signal strength is not a problem, please check delay of calling time. Same as above * Check receipt signal strength In case, output Signal wavelength is not shown flat or looks like oscillation Same as above Same as above

* Check connection fastened between antenna and cable

(Signal wavelength should be flat and stable if technicians shake CABLE. If not, it is connection problem.)

* Input level change or module blazing

* Please check VSWR of the Cable is normal.

* If the Gain is different from normal level, please contact A/S team.

* Please contact installer or service provider upon verification.

* Increase output power level of repeater by adjusting attenuation level.

* Please increase output level of Uplink signal, then setting by optimal level..

* Please contact network management team or service provider

* If connection is not proper, please make sure connector and cable to be re-connected then check the output power again.

* Check input level from BTS side.

* Check performance of each module.

(Diagnosed by A/S team.)

* Change to normal Cable. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 24/35 24 FCC ID : U88GSTR1924DT-SPR 4.2.4 Trouble shooting guide related to NMS Symptom Check Points Troubleshooting Link fail

* Communication problem Same as above

* CLI Connection, Cable status check

* In case of Ethernet, check set up level of IP, Gateway and so on, when you use Ethernet.

* Make sure 1:1 connection. Same as above

* CLI connection Check by USB to Serial Cable

* Please verify Port number of PC communication.

* Please check Cable connection status. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 25/35 25 FCC ID : U88GSTR1924DT-SPR 5. WEB USER INTERFACE 5.1 IP Address verification and Explorer setting 5.1.1 IP Address verification and Explorer setting

(1) Start->Control Panel->Network Connections

(2) Double-click Local Area Connections at LAN or High Speed internet

(3) Click Internet Protocol (TCP/IP) at General tap and click Properties.

(4) Apply automatic IP address assignment at local connection HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 26/35 26 FCC ID : U88GSTR1924DT-SPR

(5) Verify assigned IP address at local connection.

(Unless IP address is not assigned, please click repair.) 5.1.2 Explorer option setting

- Proceed step by step as indicated in below. All files and records should be removed.

- Set up mode will be displayed after (2) click.

- Please proceed along following set up mode screen shot. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 27/35 27 FCC ID : U88GSTR1924DT-SPR 5.2 PCS Web UI 5.2.1 Web UI connection

- Input desirable IP address.

- Default Use Name and Password for Web UI is admin. 5.2.2 Link menu

- Following screen shot is located left-top side of main menu and those are linked to relative window. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 28/35 28 FCC ID : U88GSTR1924DT-SPR 5.3 Web UI control 5.3.1 Status

- Currently setting level check at this menu tap. 5.3.2 RF Configuration

- Setting level can be changed at this menu tap.

- (1) Level change

- (2) Click Apply button HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 29/35 29 FCC ID : U88GSTR1924DT-SPR HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 30/35 30 FCC ID : U88GSTR1924DT-SPR 5.3.3 Alarm Configuration

- (1) On/Off function for entire alarm report

- (2) Alarm status

- (3) On/Off function for individual alarm category

- (4) Alarm SNMP Mapping

- User may set and change its level per it field condition and click apply button. 5.3.4 Communication Configuration

- This provides all necessary information related to network

- To provide relative information about DHCP and modem HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 31/35 31 FCC ID : U88GSTR1924DT-SPR 5.3.5 User Management

- Add and Remove user, Assigning accessibility

- (1) User Registration: Click Register after input required information

- (2) User Removal: Click Delete upon click of user name you wish to remove.

- (3) Super User: Accessible to all kinds of information path Read/Write: Accessible to all kinds of information path except for User management path. Read: Checking status only. No control 5.3.6 Logs

- All users access record will be saved as a log. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 32/35 32 FCC ID : U88GSTR1924DT-SPR HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 33/35 33 FCC ID : U88GSTR1924DT-SPR 5.3.7 Sub System/Mailing List

- Set up e-mail address the place you wish to receive alarm. 5.3.8 Troubleshooting Following is a trouble shooting table, which is frequently occurred to repeater and treatment method. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 34/35 34 FCC ID : U88GSTR1924DT-SPR 5.3.9 Remote Software Upgrade

- Upload repeater operation program. 5.3.10 System Reset

- Reset repeater. HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL:+82 31 639 8517 FAX:+82 31 639 8525 www.hct.co.kr Report No. : HCT-R07-012 35/35 35

		frequency	equipment class	purpose
1	2007-06-29	1930 ~ 1995	PCB - PCS Licensed Transmitter	Original Equipment

Application Forms

app s	Applicant Information
1	Effective	2007-06-29
1	Applicant's complete, legal business name	GS Instech Co., Ltd.
1	FCC Registration Number (FRN)	0016367252
1	Physical Address	1385-14, Juan-Dong, Nam-Ku
1		Incheon, N/A
1		South Korea

app s	TCB Information
1	TCB Application Email Address	m******@ccsemc.com
1	TCB Scope	B1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27

app s	FCC ID
1	Grantee Code	U88
1	Equipment Product Code	GSTR1924DT-SPR

app s	Person at the applicant's address to receive grant or for contact
1	Name	G**** J**
1	Telephone Number	+8232********
1	Fax Number	+8232********
1	E-mail	j******@gsinstrument.com

app s	Technical Contact
		n/a

app s	Non Technical Contact
		n/a

app s	Confidentiality (long or short term)
1	Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:	Yes
1	Long-Term Confidentiality Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:	No
1	If so, specify the short-term confidentiality release date (MM/DD/YYYY format)	08/13/2007
	if no date is supplied, the release date will be set to 45 calendar days past the date of grant.

app s	Cognitive Radio & Software Defined Radio, Class, etc
1	Is this application for software defined/cognitive radio authorization?	No
1	Equipment Class	PCB - PCS Licensed Transmitter
1	Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant)	CDMA In-Building RF Repeater
1	Related OET KnowledgeDataBase Inquiry: Is there a KDB inquiry associated with this application?	No
1	Modular Equipment Type	Does not apply
1	Purpose / Application is for	Original Equipment
1	Composite Equipment: Is the equipment in this application a composite device subject to an additional equipment authorization?	No
1	Related Equipment: Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization?	No
1	Grant Comments	RF In-building Repeater. Power Output is conducted. RF exposure compliance must be addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-location requirements of 1.1307(b)(3).
1	Is there an equipment authorization waiver associated with this application?	No
1	If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?	No

app s	Test Firm Name and Contact Information
1	Firm Name	HCT Co., LTD
1	Name	S**** L******
1	Telephone Number	82-31********
1	Fax Number	82-31********
1	E-mail	s******@HCT.co.kr

Equipment Specifications
	Line	Rule Parts	Grant Notes	Lower Frequency	Upper Frequency	Power Output	Tolerance	Emission Designator	Microprocessor Number
1	1	24E		1850	1915	0.251	0.1 ppm	F9W
1	2	24E		1930	1995	0.251	0.1 ppm	F9W

some individual PII (Personally Identifiable Information) available on the public forms may be redacted, original source may include additional details

recent releases: 2BE3U-X1 CND Electronic Technology (shenzhen) Co.,Ltd 2AUYFRMX3943 Realme Chongqing Mobile Telecommunications Corp., Ltd. 2BDVP-CTA2 Traintrackr LLC 2BL7L-DG25ELMT DG Shades LLC 2BGG6PP11 PetroPower, LLC