RigPix logo

Marine transceivers logo


Back to main

Back to Marine transceivers

Next Marine transceiver


Cobra logo


Copyright logo


Last modified 2024-09-20

Valid HTML 4.01 Transitional

Cobra MR-HH425

A picture of Cobra MR-HH425

SPECIFICATIONS

GENERAL
Type:Marine VHF/UHF transceiver
Frequency range: Marine
TX: 156.025-157.425 MHz
RX: 156.050-163.275 MHz
GMRS
TX: 462.550-467.725 MHz
RX: 462.550-467.725 MHz
Tuning steps:Channelized
Frequency stability:±10 ppm @ -20 to +50° (-4 to +122°F)
Mode:FM
Channels / memory management: VHF: All US and international channels
GMRS: 15 channels
10 NOAA WX channels
100 user programmable
Duplex shift / offset:Automatic according to bandplan
Power supply:7.2 VDC (Li-Ion battery pack)
or 9 VDC (Six LR6 / AA alkaline batteries)
Current drain / power consumption:RX: 40-200 mA
TX: Max 1.8 A
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):62*123*36 mm (2.4*4.8*1.4"), without antenna
Weight:228 g (8 oz)
Other features: Tri-watch. Ch 16/9 button. VOX. Roger beep. CTCSS/PL. Weather alert.
"Rewind-say-again", last 20 second digital recorder.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:0.3 uV (12 dB SINAD)
Squelch sensitivity:
Selectivity:60 dB (Adjacent channel)
Image rejection:60 dB
AF output power / speaker:250 mW at ?% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: High: 5 W
Mid: 3 W
Low: 1 W
Modulation system:
Max FM deviation (Factory set):VHF: ±5 KHz
GMRS: ±2.5 KHz
Spurious emissions:Better than -55 dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:2007-20xx (Discontinued)
Additional info:
Related documents:User manual (3.2 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
- -