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Desktop VHF/UHF Receiver
Mobile VHF/UHF Transceiver
Desktop VHF Transceiver

General

HAM bands None  2m  70cm  2m 
Freq. stability ? ? ?
Tuning steps ? ? Continuous

Receiver

RX-range 30-50 / 152-174 / 450-470 MHz 144-146 / 430-440 MHz 144-148 MHz
Modulations FM   FM   AM   FM   CW   SSB  
Sensitivity ? ? AM: 1.0 µV (10 dB S/N)
FM: 0.75 µV (20 dB QS)
SSB/CW: 0.5 µV (10 dB S/N)
Selectivity ? ? AM/SSB/CW: 2.4 kHz (-6 dB), 4.1 kHz (-60 dB)
FM: 12 kHz (-6 dB), 24 kHz (-60 dB)
Filters ? ? ?
Receiver system ? ? Single (AM/CW/SSB) / Double (FM) conversion superheterodyne
IF-freqs. ? ? 1st: 10.7 MHz
2nd: 455 kHz
Image rejection ? ? 60 dB
Audio output Internal speaker ? 2 W at 10% distortion / 4 ohms

Transmitter

TX-range - 144-146 / 430-440 MHz 144-148 MHz
Modulations - FM   AM   FM   CW   SSB  
RF-output ? High: 7/6 W, Low: ?/? W SSB: 12 W PEP / CW/FM: 14 W / AM: 2.5 W

Connections

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

Electrical

Power req. ? 13.8V DC 12-14.5 V DC or mains
Current RX 11 W ? 0.6 A
TX - ? 3 A max

Physical

Manufactured Between 197x and 197x in Japan (probably) Between 19xx and 19xx Between 1976 and 1977 in Japan
Dimensions 330 × 102 × 254 mm
(12.99 × 4.02 × 10.00 in)
140 × 55 × 40 mm
(5.51 × 2.17 × 1.57 in)
280 × 125 × 295 mm
(11.02 × 4.92 × 11.61 in)
Weight 5.00 kg (11.0 lbs) 360 gr (12.7 oz) 8.50 kg (18.8 lbs)
Form factor Base Station Mobile Base Station

Other features

Memories None ? 11 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features Squelch
AF filter
GPS option. Twin RX Noise Blanker
VOX
Tone burst generator (1500-2000 Hz adjustable)
100 kHz marker generator
Accessories ? ? YC-221 Digital frequency display
MPN RADIOSHACK-REALISTIC-PRO-000003A STANDARD-C-005750 YAESU-FT-000221R