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Last modified 2025-11-14

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Midland 77-104RD

A picture of Midland 77-104RD

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels / tuning steps:40
Mode:AM
Frequency control:PLL (LC7132)
Frequency stability:?%
Clarifier or Delta tune:No
Power supply:13.8 VDC (Fixed power cord)
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):114*32*170 mm (4.5*1.25*6.7")
Weight:735 g (1.62 lb)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz - Ceramic filter: CFU455HT
Sensitivity:0.7 uV (10 dB S+N/N)
Squelch sensitivity:
Selectivity:45 dB ±10 KHz
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:TS "Minijack" (3.5 mm), 8 ohm




TRANSMITTER SECTION
RF output power:4 W
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 5-pin DIN (180°)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Korea (By Maxon), 198x-198x (Discontinued)
Main PCB: 401035-K by Maxon
Single sided with through-hole components
Sub PCBs:? - LED channel display and S-meter board
Additional info:
Related documents: Service manual (1.9 MB, In french)
PLL: LC7132
AF amplifier: KIA7217AP
RF driver: 2SC2314
RF final: 2SC2078
Known markets and approvals: France
PTT: 88007CB
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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A rear picture of Midland 77-104RD