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Last modified 2025-10-25

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Radtel RT-493 GMRS

A picture of Radtel RT-493 GMRS

SPECIFICATIONS

GENERAL
Type:GMRS transceiver
Frequency range: TX: 462 / 467 MHz
RX: 400-470 MHz
Tuning steps:Channelized (Programmable in ? KHz steps)
Frequency stability:±? ppm
Mode:FM / NFM
Channels / memory management: 22 GMRS simplex
8 GMRS repeater
169 user programmable
Scanning
Repeater capable:Yes
Power supply:7.4 VDC (Li-Ion battery pack)
Current drain / power consumption:RX: ? mA
TX: Max ? mA
Antenna impedance / connector:50 ohm / SMA male
Dimensions (W*H*D):62*123*40 mm (2.44*4.84*1.57")
Weight:281 g (9.9 oz)
Other features: CTCSS/PL and DCS. VOX. Over-the-air frequency copy.
IP67 waterproof. Frequency hopping. Scrambler.
USB-C charging. Voice guide. PC programmable.




RECEIVER SECTION
Receiver system: SoC / Homodyne (Direct conversion)
Sensitivity:
Squelch sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? mW at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:
HighLow
10 W? W
Modulation system:
Max FM deviation (Factory set):FM: ±5 KHz
NFM: ±2.5 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:China, 2023-202x
Additional info: New price, october 2025 in the US: $35.99
Related documents:User manual (38 MB, Multilanguage)
Modifications and fixes:
Reviews:
Options / Accessories:
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