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VHF Transceiver
HF/VHF/UHF/SHF Scanner / receiver

General

HAM bands 2m  ?
Freq. stability ? ?
Tuning steps 12.5 kHz 1 Hz to 999.999 kHz (2 Hz above 3 GHz)

Receiver

RX-range 144-147.9875 MHz (320 channels) 0.009-3700 MHz (not guaranteed below 40 kHz)
Modulations FM   AM   AM-sync   FM   W-FM   CW   USB   LSB   TV  
Sensitivity 1 µV (25 dB SINAD) AM (10 dB S/N, 6 kHz BPF)
0.04-0.05 MHz: 15 µV
0.05-0.06 MHz: 10 µV
0.06-0.07 MHz: 7 µV
0.08-0.1 MHz: 4 µV
0.1-25 MHz: 2 µV
25-2750 MHz: 1 µV
2750-3000 MHz: 1.7 µV
3000-3150 MHz: 4 µV
FM (12 dB SINAD, 15 kHz BPF)
25-2750 MHz: 0.4 µV
2750-3000 MHz: 0.6 µV
3000-3150 MHz: 0.6 µV
3150-4600 MHz: 0.5 µV
4600-5800 MHz: 0.7 µV
5800-6000 MHz: 1.5 µV
WFM (12 dB SINAD, 200 kHz BPF)
25-2750 MHz: 1.5 µV
2750-3000 MHz: 2.5 µV
3000-3150 MHz: 3.5 µV
SSB (10 dB S/N, 3 kHz BPF)
0.04-0.05 MHz: 6 µV
0.05-0.06 MHz: 4 µV
0.06-0.07 MHz: 3 µV
0.08-0.1 MHz: 1.5 µV
0.1-25 MHz: 0.7 µV
25-2750 MHz: 0.5 µV
2750-3000 MHz: 0.7 µV
3000-3150 MHz: 1.5 µV
Selectivity 7.5 kHz (-6 dB) 200 Hz / 500 Hz / 3 kHz / 6 kHz / 15 kHz / 30 kHz / 100 kHz / 200 kHz / 300 kHz
Filters ? ?
Receiver system ? conversion superheterodyne Single (9 kHz-25 MHz) / double (25-220 MHz) / triple (220-360 MHz) conversion
IF-freqs. ? 1st: 1704.5 / 294.5 / 295 MHz
2nd: 45.05 / 294.5 / 45 MHz
3rd: 45.05 MHz
Image rejection Better than 60 dB ?
Audio output ? ?

Transmitter

TX-range 144-147.9875 MHz (320 channels) -
Modulations FM   -
RF-output High: 45 W (100% duty cycle!), Low: 5 W ?

Connections

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

Electrical

Power req. 10-16V DC 10-16 V DC
Current RX 300 mA 200 - 1500 mA
TX Max 8 A -

Physical

Manufactured Between 197x and 1980 in Japan Between 2013 and 20xx in Japan
Dimensions 156 × 58 × 290 mm
(6.14 × 2.28 × 11.42 in)
220 × 97 × 304 mm
(8.66 × 3.82 × 11.97 in)
Weight 2.30 kg (5.1 lbs) 3.50 kg (7.7 lbs)
Form factor Mobile Base Station

Other features

Memories 320 channels in 1 bank(s) 2000 channels in 40 bank(s) @ 100 channels/second
Usage Amateur / Ham radio operators Amateur / Ham radio operators
Features ? CTCSS/PL, DCS and DTMF-decoder
DSP with auto-notch and noise reduction
Dual watch (One frequency below 25 MHz and one above 25 MHz) or ±5 MHz offset RX (VHF/UHF only)
Five VFO's
RS-232C and USB
Real-time FFT spectrum display (400 kHz to 10 MHz width)
SD memory card slot for storing received audio and extended memory management
Video output
Voice inversion descrambler
Accessories ? ?
MPN SOMMERKAMP-TS-000280FM-(US-VERSION) AOR-AR-005700D