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Desktop Transceiver
HF Transceiver
Mobile UHF Transceiver

General

HAM bands 11m (CB)  ? 70cm 
Freq. stability ? ? ?
Tuning steps Channelized ? ?

Receiver

RX-range 11 m (26.965-27.405 MHz) 15/40/80 m (lower 250 KHz on each band) 430-440 MHz
Modulations AM   CW   FM  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? XTAL TX. VFO option ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 11 m (26.965-27.405 MHz) 15/40/80 m (lower 250 KHz on each band) 430-440 MHz
Modulations AM   CW   FM  
RF-output 5 W 90 W (input) High: 10 W, Low: 1 W

Connections

Antenna SO-239 - SO-239
Impedance ? 50 Ω 50Ω
Other - - -

Electrical

Power req. Mains Mains 13.8V DC
Current RX ? ? ?
TX ? ? ?

Physical

Manufactured Between 1958 and 196x in USA Between 1967 and 1976 Between 198x and 198x in Japan
Dimensions ? ? ?
Weight ? ? ?
Form factor Base Station Unknown Mobile

Other features

Memories ? ? 16 channels in 1 bank(s)
Usage Citizen Band (27Mc) Amateur / Ham radio operators Amateur / Ham radio operators
Features XTAL ? ?
Accessories ? ? ?
MPN EF-JOHNSON-MESSENGER-I HEATHKIT-HW-000016 KDK-FM-000740