The GMR3740-2CK/2CKHS GMR3741-2CK/2CKHS GMR3799-2CK/2CKHS is a palm-sized radio with 15 GMRS/7 FRS channels, 7 weather channels, 121 sub-codes (CTCSS tone and DCS code), up to 37 mile range, internal VOX circuitry, 10 selectable call tone alerts, Roger beep, keypad lock, backlit LCD display, and headset jack.
This reference guide covers the Uniden GMR3740-2CK/2CKHS, GMR3741-2CK/2CKHS, and GMR3799-2CK/2CKHS GMRS radios. The document details the package contents, including rechargeable NiMH battery packs and headset boom mics for specific models. It explains how to install batteries, charge the unit using the DC adapter or charging cradle, and operate the radio's various features.
| Channels | 15 GMRS / 7 FRS Channels |
|---|---|
| Weather Channels | 7 Weather Channels |
| Sub Codes | 121 Sub Codes (CTCSS Tone and DCS Code) |
| Range | Up to 37 Mile Range |
| Power Source | NiMH battery pack or 3 AAA alkaline batteries |
| VOX Circuitry | Internal VOX Circuitry |
| Call Tone Alerts | 10 Selectable Call Tone Alerts |
| Charging Time | 16 hours |
You must have a GMRS license issued by the Federal Communications Commission.
Press and hold the MENU/POWER key to turn the radio ON.
Press and hold the CALL/LOCK button until the lock indicator appears.
Yes, the radio can use 3 AAA alkaline batteries, but they cannot be recharged.