FCC ID: NTMOTG-102T Group Guide System

OTG -102 Omnitour Guiding SystemUser Manual 1. Whip antenna 2. Auxin jack 1. Antenna 2. Volume control 3. Signal/Status indicator 3. Signal/Status indicator 4. OLED screen (see below) 4. LCD screen (see below) 5. Talk/Mute button 5.Up/Down button 6.Power button 7.Earphone jack 6. Call button 7. Belt clip 8. Up/Down button 9. Power button 10. T1/T2 switch 11. Microphone jack 12. Inbuilt microphone Transmitter 1. Press both (8) and power(9) buttons to turn transmitter on. 2. Following settings will show up in sequence for selection via or button (8). Mic Gain Channel Lock Auto channel lock when the transmitter is turned on. RF Power ADNR Audio Priority Simultaneous transmission for both AUDIO and MIC. If this function is activated (ON), only audio will be transmitted (MIC message will be muted). 1~5 (default: 3) ON OFF Hi Low OFF LOW MID HI ON OFF 3. To confirm (underline) each selection, press the power button (9) and enter next setting. 4. When final selection is completed, the transmitter will exit the menu and automatically be turned on afterwards. Receiver 1. Press both (5) and power (6) buttons to turn receiver on. 2. Following settings will show up in sequence for selection via or button(6). Channel Lock Auto channel lock when the receiver is turned on. Auto PowerOff Receiver will automatically be off if it does not get the transmitter signal for 20 minutes. Auto PowerOn Receiver will automatically be powered on when leaving charger. Alarm Outofrange alarm will be activated if receiver does not get the transmitter signal for 3 minutes. Earphone Output Earphone level can be tuned to be compatible with HAC users. ON OFF ON OFF ON OFF ON OFF LOW HI 3. To confirm (underline) each selection, press the power button (6) and enter next setting. 4. When final selection is completed, the receiver will exit the menu and automatically be turned on afterwards. Back to default Settings on both transmitter and receiver can be back to default at any time if , (8) (5)and power

(9) (6) buttons are pressed simultaneously when transmitter/receiver is off. Followings are default settings for transmitter/receiver. Transmitter Channel: 01 Channel Lock: ON RF Power: Low Mic. Gain: 3 Audio Priority: OFF ADNR: Mid Receiver Channel: 01 Channel Lock: ON Auto PowerOff: ON Auto PowerOn: OFF Alarm: ON Earphone out: Lo Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

. Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. This device complies with part 15 of the FCC Rules. FCC Caution: To assure continued compliance, any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. (Example - use only shielded interface cables when connecting to computer or peripheral devices). FCC SAR evaluation:

This equipment complies with SAR test exclusion thresholds. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and

(2) This device must accept any interference received, including interference that may cause undesired operation. IMPORTANT NOTE: To comply with the FCC RF exposure compliance requirements, no change to the antenna or the device is permitted. Any change to the antenna or the device could result in the device exceeding the RF exposure require-ments and void users authority to operate the device. OTG-102T Emission modulation 4 GFSK Frequency range 470~608 MHz RF power Low 10 2 dBm Hi 13 2 dBm Sampling rate(SR) 12+12 kHz Operating range

> 60 M @ Low power

> 100 M @ Hi power with OTG-102R, Indoor Field face to back Frequency response 300 Hz ~ 4.5kHz with OTG-102R Ear. output BLE Frequency range 2402~2480 MHz BLE Operating range

> 5 M Operating temperature

-10 ~ +60 Battery life

> 15 hours with 2100 mAh Type Ni-MH Rechargeable

> 15 hours with Alkaline batteries Mic in /Aux in connector 3.5 mm jack socket Certification standard FCCCE Dimensions(D*W*H) 24*46.5*95 mm without Antenna & Belt clip Weight 55 5 g without batteries OTG-102R Emission modulation 4 GFSK Frequency range 470~608 MHz Latency (Delay time) 16.4 ~ 24.5 ms Frequency response 300 Hz ~ 4.5 kHz with OTG-102T Operating temperature

-10 ~ +60 DC Current Battery life 40 5 mA @ no load 2.4 V

> 45 hours with Alkaline batteries*2 Ear-out connector 3.5 mm jack socket Dimensions(D*W*H) 24*46.5*108 mm Weight 55 5 g without batteries

(Group Guide Sysetm

= Model: OTG-1008 Group Guide Sysetm Model: OTG-100T FCC ID: NTMOTG-102T Mado in Taiwan an Group Guide Sysetm E Model: 076-102 Group Guide Sysetm Model: OTG-102T FCC ID: NTMOTG-102T

OKAYO Electronics Co., Ltd. No. 2, Gongye 10th Rd., Dali Dist., Taichung 41280, Taiwan Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Date: 2019-11-29 To whom it may concern:

We, the undersigned, hereby authorize Worldwide Testing Services (Taiwan) Co., Ltd to act on our behalf in all matters relating to applications for equipment authorization FCC ID: NTM including the signing of all documents related to these matters. Any and all acts carried out by Worldwide Testing Services (Taiwan) Co., Ltd on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Signature Name: Karl Yeh Title: Sales Manager Company: OKAYO Electronics Co., Ltd.

OKAYO Electronics Co., Ltd. No. 2, Gongye 10th Rd., Dali Dist., Taichung 41280, Taiwan Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:2019-11-29 Request for Long-Term Confidentiality Company name: OKAYO Electronics Co., Ltd. FCC ID: NTMOTG-102T FCC Part 15 Certification To whom it may concern:

In accordance with 0.457(d) and 0.459 of CFR 47, OKAYO Electronics Co., Ltd. hereby requests Long-Term confidentiality of all Block Diagrams, Schematics, Operational Description attachments for the subject application. These documents contain detailed system and equipment description and related information about the product which OKAYO Electronics Co., Ltd. considers to be proprietary, confidential and a custom design and otherwise would not release to the general public. Since the design is a basis from which future technological products will evolve, OKAYO Electronics Co., Ltd. considers that this information would be of benefit to its competitors and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Sincerely, Signature Name: Karl Yeh Title: Sales Manager Company: OKAYO Electronics Co., Ltd.