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Last modified 2023-02-10

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E.F.Johnson Messenger

A picture of E.F.Johnson Messenger

SPECIFICATIONS

GENERAL
Type:Amateur HF transceiver
Frequency range: 10 m
Tuning steps:
Frequency stability:±? ppm
Mode:AM
Channels / memory management: XTAL controlled
Repeater shift / offset:None
Power supply:Mains
Current drain / power consumption:RX: ? W
TX: Max ? W
Antenna impedance / connector:? ohm / ?
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: 5 W
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:USA, 196x-196x (Discontinued)
Additional info:New price 1961 in the US: $139.75
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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