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Last modified 2024-10-18

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Humminbird VHF-255S

A picture of Humminbird VHF-255S

SPECIFICATIONS

GENERAL
Type:Marine VHF transceiver
Frequency range: TX: 156.050-157.425 MHz
RX: 156.025-163.275 MHz
Tuning steps:Channelized
Frequency stability:? ppm
Mode:FM
Channels / memory management: All US, Canadian and international channels
10 NOAA weather channels
Duplex shift / offset:Automatic according to bandplan
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: Max ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):161*71*147 mm (6.3*2.8*5.8")
Weight:545 g (1.2 lb)
Other features: DSC. Channel 16/9 button. Dual/tri-watch. Scanning. JIS7 waterproof.
GPS option.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:0.5 uV (12 dB SINAD)
Squelch sensitivity:
Selectivity:65 dB (Adjacent channel)
Image rejection:
AF output power / speaker:? W at 10% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: High: 25 W
Low: 1 W
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:? ohm / Fixed cord
Microphone input level:? mV




MISCELLANEOUS
Manufactured:20xx-20xx (Discontinued)
Additional info: Also available in white with the VHF-255SW designation.
Related documents:User manual (1.1 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
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