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Last modified 2022-01-12

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Johnson Messenger 351

A picture of Johnson Messenger 351

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.954-27.255 MHz
Channels / tuning steps:23 (1-23)
Mode:AM / SSB
Frequency control:XTAL-matrix
Frequency stability:? ppm
Clarifier or Delta tune:±? Hz
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:PA. NB,




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




TRANSMITTER SECTION
RF output power:AM: 4 W
SSB: 12 W
Modulation system:
FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:197x-197x (Discontinued)
Main PCB:
Sub PCBs:
Additional info:
Related documents:
Sams Photofact #:CB-57 (September 1974)
Modifications and fixes:
Reviews:
Options / Accessories:
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