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Desktop Transceiver
Mobile 2m Transceiver
Mobile CB Transceiver

General

HAM bands 11m (CB)  2m  11m (CB) 
Freq. stability ? ? ?
Tuning steps Channelized 5 / 10 / 12.5 / 20 / 25 kHz Channelized

Receiver

RX-range 26.965-27.255 MHz 141-149.995 MHz ?
Modulations AM   FM   AM   FM  
Sensitivity 0.5 µV 0.22 µV (12 dB SINAD) ?
Selectivity 7 kHz @ -6 dB
19 kHz @ -60 dB
? ?
Filters ? ? ?
Receiver system ? Double conversion superheterodyne ?
IF-freqs. ? 21.40 MHz
455 kHz
?
Image rejection ? ? ?
Audio output 3 W 2.5 W into 8 ohm @ 10% THD ?

Transmitter

TX-range 26.965-27.255 MHz 144-146 MHz ?
Modulations AM   FM   AM   FM  
RF-output 3 W High: 25 W, Low: 1 W 4 W

Connections

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

Electrical

Power req. Mains 13.8 V DC 13.8 V DC
Current RX ? ? ?
TX ? 6 A max ?

Physical

Manufactured Between 195x and 196x in USA Between 19xx and 19xx Between 20xx and 20xx
Dimensions 157 × 55 × 222 mm
(6.18 × 2.17 × 8.74 in)
140 × 40 × 124 mm
(5.51 × 1.57 × 4.88 in)
150 × 41 × 140 mm
(5.91 × 1.61 × 5.51 in)
Weight 2.30 kg (5.1 lbs) 700 gr (1.5 lbs) 761 gr (1.7 lbs)
Form factor Base Station Mobile Mobile

Other features

Memories 12 channels in 1 bank(s) 10 channels in 1 bank(s) 40 channels in 1 bank(s)
Usage Citizen Band (27Mc) Amateur / Ham radio operators Citizen Band (27Mc)
Features ? ? ?
Accessories ? ? ?
MPN E.F.-JOHNSON-MESSENGER-000300 DRAGON-SY-000550 CRT-S-008040