These radios have been discontinued, and are no longer available.
Analog Portable Two-way Radios
All you will ever need in a portable radio, the GPH combines proven rock-solid reliability with extremely versatile yet easy-to-use software programming to customize each radio and range of functions to your specific situation and requirements. Premium quality, unsurpassed performance, and affordable price – More Radio for Your Dollar – The RELM Advantage.
Download the 2018 Cal Fire Frequency list: CalFire2018
GPH5102XP PORTABLE FEATURES
- 240 Channels, 15 User Groups, 16 Channels per Group
- 148-174 MHz Frequency Range
- 5/1.5 watts RF Power
- Field Programmable Keypad
- MIL-STD 810
- Flex-Mode
- Channel and Priority (dual priority) scan
- Nuisance Channel Delete
- Easy to Use, Easy to Customize
- Weatherproof Design
- 18 Hours of Battery Life
- Cloning Technology
- Flash Technology
- Code Guard Squelch (CTCSS)
- Digital Code Guard Squelch (CDCSS)
- User Selectable Code Guard
- Talkback Scan
- Busy Channel Lockout
- Busy Channel Indicator
- DTMF ANI
- DTMF Encode
- Programmable Soft Switches
GPH5102XP SPECS
- Channels 240
- Frequency Range VHF: 148-174 MHz
- Alphanumeric Display LCD
- Standby Current Drain 15 mA
- Receive Current Drain 165 mA
- Transmit Current Drain 1.4 Amps
- Operating Temperature -30 to +60°C
- Size W x D x H 2.55 x 1.5 x 6.6 (Standard Battery)
- 2.55 x 1.5 x 7.8 (Large Battery)
- Weight 20 oz. (Standard Li-ion)
- 24 oz.(Large Li-ion)
- Stability +/-3 PPM
- Channel Spacing 25/30 and 12.5/15 KHz
- Channel Increments 2.5/6.25 KHz
- Antenna Helical Wound, Molded Rubber Flex
- FCC Type Acceptance K95GPH51
Receiver
- Sensitivity 0.25 uV
- Selectivity -72 dB (wide), -60 dB (narrow)
- Spurious Including Image -75 dB
- Intermodulation -70dB
- Max. Audio Output
- (5% dist.) 500 mW
- Audio Response (per EIA) +1/-3 dB
Transmitter
- RP Power Output 5/1.5 Watts
- Operating Frequency Spread 26 MHz
- Modulation 16K0F3E/11K0F3E
- Spurious and Harmonics 60 dB
- Hum and Noise (per TIA) 50 dB (wide), 45 dB (narrow)
- Audio Distortion 3%
- Antenna Output Impedance 50 Ohms (via side connector)
- Audio Response (per EIA) +1/-3 dB
GPH Command
Command Analog Portable Two-way Radios
The BK Radio GPH-CMD portable radio is essentially a GPH radio with enhanced feature sets engineered to meet additional advanced requirements specified for tactical command-level radios by the U.S. Forest Service and other agencies.
Download the 2018 Cal Fire Frequency list: CalFire2018
GPH5102XCMD PORTABLE FEATURES
- 500 Channels, 25 User Groups, 20 Channels per Group
- 136-174 MHz Frequency Range
- 5/1.5 watts RF Power
- Field Programmable Keypad
- MIL-STD 810
- Flex-Mode
- Channel and Priority (dual priority) scan
- Nuisance Channel Delete
- Easy to Use, Easy to Customize
- Weatherproof Design
- 18 Hours of Battery Life
- Cloning Technology
- Flash Technology
- Code Guard Squelch (CTCSS)
- Digital Code Guard Squelch (CDCSS)
- User Selectable Code Guard
- Talkback Scan
- DTMF ANI
- DTMF Encode
- Programmable Soft Switches
GPH5102XCMD SPECS
- Channels 500
- Operating Voltage 10 V. NOM.
- Operating Frequency Range 136-174 MHz
- Operating Temperature -30°C to +60°C
- Standby Current Drain 20 mA
- Stability +/-2.5 PPM
- Channel Increments 2.5/6.25 KHz
- Operating Frequency Spread 38 MHz
- Size- W x D x H std. battery
- Lrg. Battery 2.55 x 1.5 x 6.6 in
- 2.55 x 1.5 x 7.8 in
- Weight std. battery
- Lrg. Battery 20 oz. 24 oz
Receiver
- Sensitivity 0.25 uV
- Selectivity -72 dB (wide), -60 dB (narrow)
- Spurious Including Image 75 dB
- Intermodulation 70dB
- Max. Audio Output (5% dist.) 500 mW
- Audio Response (per EIA) +1/-3 dB
Transmitter
- RP Power Output 5/1.5 Watts
- Modulation 16K0F3E/11K0F3E
- Spurious and Harmonics 60 dB
- Hum and Noise (per TIA) 50 dB (wide), 45 dB (narrow)
- Audio Distortion 3%
- Audio Response (per EIA) +1/-3 dB
GPH Owners Manual
Programming Manual