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Last modified 2025-05-01

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SEA 7157

A picture of SEA 7157

SPECIFICATIONS

GENERAL
Type:Marine VHF transceiver
Frequency range: TX: 155-159 MHz
RX: 155-163.6 MHz
Tuning steps:Channelized
Frequency stability:±5 ppm @ -30 to +60°C (-22 to +140°F)
Mode:FM
Channels / memory management: All US, Canadian and international channels
10 NOAA weather channels
10 special
Alpha tags
Priority function
Duplex shift / offset:Automatic according to bandplan
Power supply:13.6 or 24 VDC (Fixed power cord)
Current drain / power consumption:RX: Max 1 A @ 13.6 VDC
TX: Max 4.5 A @ 13.6 VDC
Antenna impedance / connector:50 ohm / Two SO-239
Dimensions (W*H*D):278*99*265 mm (10.9*3.9*10.5")
Weight:7.75 Kg (17 lb)
Other features: DSC. GMDSS. Channel 16 button. Scanning.
Local/distance selection.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 45 MHz (Main) - 21.4 MHz (Monitor)
2nd IF: 455 KHz
Sensitivity:0.3 uV (12 dB SINAD)
Squelch sensitivity:Less than 0.2 uV (Threshold)
Selectivity:80 dB (Adjacent channel)
Image rejection:
AF output power / speaker:4 W at 10% distortion / 4 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 -80 dB
Microphone impedance / connector:? ohm / Fixed cord
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 1998-200x (Discontinued)
Additional info: FCC ID: BZ6SEA7157
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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A rear picture of SEA 7157