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Handheld Transceiver
Mobile Transceiver
Desktop Transceiver

General

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

Receiver

RX-range 27.005-27.135 MHz ?-? MHz 26.965-27.255 MHz
Modulations AM   AM   FM   AM  
Sensitivity ? ? 0.5 µV
Selectivity ? ? 6 kHz @ -6 dB
30 kHz @ -60 dB
Filters ? ? ?
Receiver system ? ? Dual conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? 3 W

Transmitter

TX-range 27.005-27.135 MHz ?-? MHz 26.965-27.255 MHz
Modulations AM   AM   FM   AM  
RF-output 100 mW 8 W 5 W

Connections

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

Electrical

Power req. ? ? 12 V DC
Current RX ? ? ?
TX ? ? ?

Physical

Manufactured Between 1979 and 1983 Between 19xx and 19xx Between 195x and 196x in USA
Dimensions 78 × 240 × 49 mm
(3.07 × 9.45 × 1.93 in)
? 157 × 55 × 222 mm
(6.18 × 2.17 × 8.74 in)
Weight 1.15 kg (2.5 lbs) ? 2.30 kg (5.1 lbs)
Form factor Handheld Mobile Mobile

Other features

Memories 12 channels in 1 bank(s) 320 channels in 1 bank(s) 12 channels in 1 bank(s)
Usage Citizen Band (27Mc) Citizen Band (27Mc) Citizen Band (27Mc)
Features ? ? PA output use in vehicle
Accessories ? ? ?
MPN ZODIAC-P-002012CH GALAXY-DX-000044V E.F.-JOHNSON-MESSENGER-III