Users Manual for Wireless Repeater Model No : SHPR19-F1 ( PCS 1.9G Pico Repeater ) SEOHWA TELECOM CO., LTD. Seohwa Telecom 1page Rev. 1.0
Introduction The SHPR19- F1 model, a mobile communications repeater, is affected by neither configuration of the ground nor base stations signals. To improve call quality at small-
sized area with radio wave interference ( 50 ) or mobile communications service interference area, the repeater amplifies and transmits signals of base station and mobile station. Being suitable to frequency bandwidth of customer, the repeater is to be produced enough to handle, install and maintain it with ultra small-sized model. To maintain specific level of output signal, the repeater has built-in AGC and ALC circuits, which can automatically control gain of the repeater depending upon strength of input signals. In addition, to prevent the repeater from producing errors due to excessive from outside or oscillation phenomenon and having adverse effects on base station, the repeater runs auto shutdown functions, which switches the repeaters power automatically. Feature & Functions 1. AGC : Automatic Gain Control 2. ALC : Automatic Limit Control 3. Automatic output interception function (MUTE) 4. RSSI : Received Signal Strength Emission 5. Small size, light - weight 6. Simple installation & Maintenance Seohwa Telecom 2page Rev. 1.0 Name & Function by each parts
- Front- - Side - - Back Side -
Seohwa Telecom 3page Rev. 1.0
Repeater The repeater amplifies and transmits signals of base station and mobile station. The Patch antenna, as remote antenna, is built in front of repeater. Donor ANT Donor Ant., which has a SMA(F) connector to be connected with the feeding cables RSSI ( Received Signal Strength Emission ) Indicator The lamp at bottom in front of the repeater shows operation status. Green-colored lamp turns ON, on the basis of received signal RX LED Status
-less than56dB:
-53dB1.5 dB :
-50dB1.5 dB :
-47dB1.5 dB :
-44dB1.5 dB :
-41dB1.5 dB :
-38dB1.5 dB :
-35dB1.5 dB :
-32dB1.5 dB :
-More than 9dB:
MUTE ( Auto Shut Down ) Mute prevents abnormal output from being radiated by reading strength of output signal at emission of abnormal output. It is shut down against more than +9dBm signal automatically.
- MUTE LED ( Red Colored Lamp ) : ON for a 5sec and OFF for a 2sec, repeatedly
- RSSI LED ( Green Colored Lamp ) : OFF Seohwa Telecom 4page Rev. 1.0 PWR DC Jack Exterior adapter having AC 110-220 V input supplies DC 7 V power to the repeater to run active circuits. LED on DC Jack is a terminal to supply required powers into repeater through the power supply adapter. Patch Antenna, which can forward the RF signal from base station to cellular subscriber station, receive the signal from cellular subscriber station Exterior adapter having AC 100 240V input supplies DC 7 V power to the repeater to run active circuits. RG 400 RF Cable, which is used for connecting with feeding cable coming from Patch Antenna
Power Supply Adapter
RG400 RF Cable Donor antenna.
Bracket The bracket is used for fixing the repeater on the wall. Seohwa Telecom 5page Rev. 1.0 Checking the contents Install Repeater inside at convenient location on a wall Fix repeater body on a wall Installation exterior antenna & Laying Feeding Cables Measurement of Receiving Level from Base Station Connect power supply adapter Adjust the direction of Antenna How to install the system Typical Installation Instructions Seohwa Telecom Completion Testing for calling quality Inspection 6page Rev. 1.0
Checking the contents
Put the repeater at the place where to install it
Install Repeater inside at convenient location on a wall
Installation Exterior Antenna & Laying Feeding Cables
Measurement of Receiving Level from Base Station 1) Connect feeding cable, which has been connected with directional antenna for base station, with input of spectrum analyzer. 2) Set measurement environment of Frequency, Span, BW and Amplitude, etc of the spectrum analyzer. 3) Verify Channel Power value of input signal.
Connect to RG 400 RF Cable
Connect power supply adapter
Adjust the direction of Antenna
Testing for calling qualities Caution: Make sure 120V available to connect power transformer (do not power up) To improve calling qualities, adjust the direction of Patch Antenna in front of body. Seohwa Telecom 7page Rev. 1.0 User Attention
Do not open the case of repeater
Do not excessive pressure to Repeater.
Please use a rated voltage.
The repeater must have been installed considering environmental factor.
Troubleshooting 1) The power LED at the front turns OFF Causes Auction Power cable of the power supply unit has not been connected. Check connection of power system Failure of the LED Replace the LED 2) The repeater transmits no signal Causes Action Coaxial cable connecting the repeater and measuring system is defective Power system of interior of the repeater has not been connected. Auto shutdown Replace coaxial cable Check power connection of PCB of interior of the repeater Check a failure of the repeater and input of wrong signal into the repeater 3) For more information, call Seohwa Telecom Co., Ltd. at 82- 2 - 838 5511. Seohwa Telecom 8page Rev. 1.0 Specifications Frequency Range Gain Gain Flatness Frequency Stability ALC Range Input Level (max) Output Level (max) Shutdown Level Tx/Rx Isolation Noise Figure Electrical Specifications FWD: 1930 ~ 1990MHz, RVS: 1850 ~ 1910 MHz 50 2 dB 4.5 dB (@ 60 MHz BW) 0.03 ppm 30dB
-120 ~ -40 dBm 10 dBm / Total 14 ~ 16 dBm/Total@1FA 85 dB 5 dB Spurious Emission 29dBc@885KHz 34dBc@1.98MHz VSWR Propagation Delay Control Impedance 1.5:1 1 us No Control Interface 50 Mechanical Specifications Operating Temp. Cooling
-10 ~ +50 C Convection Input/Output Connector SMA (Female) Power 7 V DC / 100 ~ 240 V AC Dimensions (W x H x D) 180x120x50 mm Weight 800 g Seohwa Telecom 9page Rev. 1.0