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Last modified 2026-01-13

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Midland 77-857

A picture of Midland 77-857

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels / tuning steps:40
Mode:AM
Frequency control:PLL (PLL02A)
Frequency stability:Max ? ppm
Clarifier or Delta tune:±1 KHz
Power supply:13.8 VDC (Male 3-pin jack)
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):162*57*200 mm (6.38*2.25*7.88")
Weight:1.72 Kg (3.8 lb)
Other features:PA. ANL.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:0.7 uV (10 dB S/N)
Squelch sensitivity:0.5 uV (Threshold)
500 uV (Tight)
Selectivity:
Image rejection:
AF output power / speaker:3 W at ?% distortion / 8 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 -60 dB
Microphone impedance / connector:? ohm / 4-pin (Male locking ring jack)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1976-1977 (Discontinued)
Main PCB:PTBM049AOX by Cybernet Electronics Corporation
Sub PCBs: PTZZ015AOX - Mixer buffer board
Additional info:
Related documents: User manual (1.8 MB)
PLL: PLL02A
AF amplifier: TA7205P
Known markets and approvals: USA
FCC Data: 77-857
Sams Photofact #:CB-154 (December 1977)
Modifications and fixes:
Reviews:
Options / Accessories:
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A rear picture of Midland 77-857