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Last modified 2026-10-15

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Rugged G4 "Rambler" (By Rugged Radios)

A picture of Rugged G4 ''Rambler'' (By Rugged Radios)

SPECIFICATIONS

GENERAL
Type:GMRS transceiver
Frequency range: TX: 462 / 467 MHz
RX: 400-480 MHz
Tuning steps:TX: Channelized
RX: 12.5 KHz
Frequency stability:±2 ppm @ -30 to +60°C (-22 to +140°F)
Mode:FM / NFM
Channels / memory management: 15 GMRS simplex (1-7 and 15-22)
8 GMRS repeater
2 quick access (P1 and P2)
1 HWY (Highway channel 19)
350 user programmable
Alpha tags
Scanning
Repeater capable:Yes
Power supply:13.8 VDC
Current drain / power consumption:RX: 160-400 mA
TX: Max 9 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):138*53*153 mm (5.43*2.09*6.02")
Weight:1.16 Kg (2.55 lb)
Other features: CTCSS/PL and DCS. Roger beep. Dual watch. Dimmer.
Three selectable backlite colors. Voice guide. Intercom jack.
PC programmable.




RECEIVER SECTION
Receiver system: ?
Sensitivity:0.25 uV (12 dB SINAD)
Squelch sensitivity:
Selectivity:60 dB (Adjacent channel @ 12.5 KHz
Image rejection:
AF output power / speaker:3 W at 5% distortion / ? ohm
External speaker connector:TS "Minijack" (3.5 mm)




TRANSMITTER SECTION
RF output power:
HighMidLow
40 W25 W5 W
Modulation system:
Max FM deviation (Factory set):FM (Wide): ±5 KHz
NFM (Narrow): ±2.5 KHz
Spurious emissions:Less than -30 dBm
Microphone impedance / connector:? ohm / 6-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:China, 2024-202x
Reset procedure: Select "Advanced menu". Select "Reset". Select "Settings" and
confirm. This will reset the radio to its factory settings.
Additional info: FCC ID: 2AWYH-GMR04

New price, october 2026 in the US: $295.00
Related documents: User manual (2.4 MB)
Quick start manual (1.6 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
CJ-M1
RRS-G4
USB-54
Intercom adapter cable
Programming software (Windows or MacOS)
USB programming cable