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Last modified 2024-11-28

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Uniden MHS-450

A picture of Uniden MHS-450

SPECIFICATIONS

GENERAL
Type:Marine VHF transceiver
Frequency range: TX: 156.025-157.425 MHz
RX: 156.050-163-275 MHz
Tuning steps:Channelized
Frequency stability:±1.5 ppm @ 25°C (77°F)
Mode:FM
Channels / memory management: All international, US and Canadian channels
10 NOAA weather channels
Duplex shift / offset:Automatic according to bandplan
Power supply:6-7.5 VDC (Four LR03 / AAA alkaline batteries or Li-Ion pack)
Current drain / power consumption:RX: 60-210 mA
TX: Max 1.4 A
Antenna impedance / connector:50 ohm / ?
Dimensions (W*H*D):62*97*33 mm (2.4*3.8*1.3")
Weight:250 g (8.8 oz), with antenna and battery
Other features: Channel 16/9 buttor. Weather alert. Dual/triple watch. Scanning.
JIS8 water proof.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:0.2 uV (12 dB SINAD)
Squelch sensitivity:0.1 uV (Threshold)
Selectivity:70 dB (Adjacent channel)
Image rejection:
AF output power / speaker:400 mW at 10% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: High: 5 W
Mid: 2.5 W
Low: 1 W

NB! Max 2.5 W with alkaline batteries
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -70 dBc
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:China, 2007-20xx (Discontinued)
Additional info:
Related documents:User manual (3.9 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AD-0007
BP550
BT550
CLIP550
DC550
HHSPM
RSC550
VOX100
AC adapter
Li-Ion battery pack
Alkaline battery case (Four LR03 / AAA batteries)
Belt clip
Cigarette lighter DC cable
Speaker-microphone
Charging cradle
Headset