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Last modified 2025-11-15

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Midland 77-104UK

A picture of Midland 77-104UK

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:27.60125-27.99125 MHz
Channels / tuning steps:40 (UK CB27/81)
Mode:FM
Frequency control:PLL (LC7137)
Frequency stability:?%
Clarifier or Delta tune:No
Power supply:13.2 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: 55HT
Sensitivity:0.7 uV (12 dB SINAD)
Squelch sensitivity:
Selectivity:
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: High: 4 W
Low: 400 mW
Modulation system:
Max FM deviation (Factory set):±? KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 5-pin DIN (180°)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Korea (By Maxon), 1987-1990 (Discontinued)
Main PCB: Early version
401064-? by Maxon
Single sided with through-hole components
Later version
401064-C by Maxon
Single sided with through-hole components
Sub PCBs:? - LED channel display and S-meter board
Additional info: This model was replaced by the updated 77-104D (UK).

New price, november 1987 in the UK: £65.00
New price, march 1988 in the UK: £65.00
New price, june 1989 in the UK: £59.95
Related documents: PLL: LC7137
FM-IF: MC3357P
Known markets and approvals: United Kingdom
CB27/81, MPT1320UK
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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