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Last modified 2024-09-20

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Cobra MR-HH450 Dual

A picture of Cobra MR-HH450 Dual

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:±5 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:7.4 VDC (Li-Ion battery pack)
Current drain / power consumption:RX: 45-150 mA
TX: 0.65-1.8 A
Antenna impedance / connector:50 ohm / ?
Dimensions (W*H*D):62*123*36 mm (2.4*4.8*1.4"), without antenna
Weight:228 g (8 oz), without batteries
Other features: Tri-watch. Ch 16/9 button. VOX. Roger beep. CTCSS/PL, DCS. Weather alert.
"Rewind-say-again", last 20 second digital recorder.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne (VHF)
1st IF: ? MHz
2nd IF: ? KHz
Low IF direct conversion (GMRS & WX)
Sensitivity:VHF: 0.2 uV (12 dB SINAD)
Squelch sensitivity:
Selectivity:VHF: 70 dB
GMRS: 50 dB
WX: 55 dB
Image rejection:VHF: 70 dB (typical)
AF output power / speaker:400 mW at 5% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: VHF
High: 6 W
Mid: 3 W
Low: 1 W
GMRS
High: 3 W
Mid: 2 W
Low: 1 W
Modulation system:
Max FM deviation (Factory set):VHF: ±5 KHz
GMRS: ±2.5 KHz
Spurious emissions:Better than -60 dBc @ high power
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:2013-201x (Discontinued)
Additional info: Was available in dark gray or camo.
Related documents:User manual (6.4 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
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