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Last modified 2025-09-04

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Uniden MC-4300 "Sea-Wasp"

A picture of Uniden MC-4300 ''Sea-Wasp''

SPECIFICATIONS

GENERAL
Type:Marine HF transceiver
Frequency range: TX: 27.680-27.980 MHz
RX: 27.680-27.980 MHz + WX: 156.800 and 156.375 MHz
Tuning steps:Channelized
Frequency stability:? ppm
Mode:27 MHz: AM
156 MHz: FM (RX only)
Channels / memory management: 10 regular
2 weather channels (Marine channel 16 and 67)
Duplex shift / offset:No
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: Max ? A
Antenna impedance / connector:27 MHz: 50 ohm / SO-239
156 MHz: 50 ohm / Phono (RCA)
Dimensions (W*H*D):160*55*217 mm (6.3*2.16*8.54")
Weight:1.2 Kg (2.64 lb)
Other features:Channel 88 switch. ANL.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:27 MHz: 0.5 uV (No S/N reference)
156 MHz: 0.5 uV (12 dB SINAD)
Squelch sensitivity:1 uV (Threshold)
1 mV (Tight)
Selectivity:70 dB (Adjacent channel)
Image rejection:
AF output power / speaker:4 W at 10% distortion / 16 ohm
External speaker connector:TS "Minijack" (3.5 mm)




TRANSMITTER SECTION
RF output power: 4 W
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:500 ohm / ?-pin (Male locking ring jack)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Taiwan, 1984-198x (Discontinued)
Additional info:
Related documents:User manual (1.9 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
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