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HF/VHF Surveillance Receiver
Desktop Transceiver
10W Handheld Dual-band Transceiver

General

HAM bands 15m  12m (WARC)  11m (CB)  6m  10m  4m  11m (CB)  2m  70cm 
Freq. stability ? ? ± 2.5 p.p.m.
Tuning steps Continuous Channelized 12.5 / 25 kHz

Receiver

RX-range 20-80 MHz 26.965-27.405 MHz 136-174 / 400-480 / 450-520 MHz
Modulations AM   FM   N-FM   CW   AM   SSB   FM   N-FM  
Sensitivity AM ca. 0,5 μV
FM ca. 1,2 μV
? < 0.20 µV (12 dB SINAD)
Selectivity 4 / 10 / 50 kHz @ -6 dB ? ?
Filters ? ? 12.5 / 25 kHz
Receiver system Double conversion superheterodyne ? ?
IF-freqs. 10 MHz / 455 kHz ? ?
Image rejection ? ? ?
Audio output Requires headphones or external speaker ? 500 mW

Transmitter

TX-range - 26.965-27.405 MHz 136-174 / 400-480 / 450-520 MHz
Modulations - AM   SSB   FM   N-FM  
RF-output ? 12 W 10 / 5 / 2 W

Connections

Antenna - - SMA
Impedance 50Ω ? 50Ω
Other - - -

Electrical

Power req. Mains (220 V AC) ? 7.4 V DC, 1500 mAh Li-ion Battery
Current RX 16 W ? 100 mA max
TX - ? 1 A max

Physical

Manufactured Between 1980 and 198x in USA Between 19xx and 19xx Between 201x and 201x in China
Dimensions 483 × 90 × 478 mm
(19.02 × 3.54 × 18.82 in)
? 115 × 65 × 35 mm
(4.53 × 2.56 × 1.38 in)
Weight 8.20 kg (18.1 lbs) ? 255 gr (9.0 oz)
Form factor Base Station Base Station Handheld

Other features

Memories None 40 channels in bank(s) 999 channels in 1 bank(s)
Usage Military communication Citizen Band (27Mc) Amateur / Ham radio operators
Features ? ? Duplex repeater (UHF to VHF or VHF to UHF)
Color display
CTCSS / DCS
DTMF / PTT ID
VOX on/off, VOX level setting, VOX delay time setting
PC Programmable
Wire Clone
Accessories DRO-290 Digital Nixie-tube display ? ?
MPN WATKINS-JOHNSON-WJ-000521A-1 DAK-MARK-X YANTON-T-000650UV