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Last modified 2026-08-22

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Marko CB-747

A picture of Marko CB-747

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels / tuning steps:40
Mode:AM / SSB
Frequency control:PLL (LC7131)
Frequency stability:?%
Clarifier or Delta tune:±? KHz
Power supply:13.8 VDC (Male 2-pin jack)
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):190*64*265 mm (7.48*2.52*10.43")
Weight:2.33 Kg (5.14 lb), without mounting bracket
Other features:NB. Two-step RF gain. SWR-meter.




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity:
Squelch sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:TS "Minijack" (3.5 mm)




TRANSMITTER SECTION
RF output power: Hi: 4 W
Lo: 0.5 W
Modulation system:
Max AM modulation (Factory set):?%
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 4-pin (Male GX16 locking ring jack)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 198x-198x (Discontinued)
Main PCB: PTBM146BIX by Cybernet Electronics Corporation
Double sided with through-hole components
Sub PCBs: PTLD? - LED channel display board
PTSW180AOX - Channel selector board
Additional info:
Related documents: PLL: LC7131
Known markets and approvals: Belgium
PTT: ?
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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