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Last modified 2022-12-18

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Marko CB-444

A picture of Marko CB-444 Hi/Lo version

SPECIFICATIONS

GENERAL
Type:Citizen band / "Freeband" / Export transceiver
Frequency range: 26.965-28.305 MHz in three bands
Lo:   26.965-27.405 MHz
Mid:   27.415-27.855 MHz
Hi:   27.865-28.305 MHz
Channels / tuning steps:120 (3*40)
Mode:AM / FM
Frequency control:PLL (PLL02A)
Frequency stability:? ppm
Clarifier or Delta tune:No
Power supply:13.8 VDC (3-pin connector)
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):179*63*216 mm (7.05*2.5*8.5")
Weight:1.85 Kg (4.1 lb), without mounting bracket
Other features:PA. ANL/NB. SWR meter.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power: AM: 7 W
FM: 7 W
Modulation system:
FM deviation (Factory set):±? KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 5-pin (DIN)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 198x-198x (Discontinued)
Main PCB:PTBM106AOX by Cybernet Electronics Corporation
Sub PCBs:
Additional info: There appears to be two versions of this radio. One with a Hi/Lo function
on the squelch knob and one without it. It's unclear if this is related to the
output power, a tone hi-cut or maybe even three more bands.
Related documents: PLL: PLL02A
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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