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Desktop Shortwave Transceiver
Mobile 23cm Transceiver
Desktop HF/VHF Transceiver

General

HAM bands 80m  40m  20m  15m  10m  23cm  12m (WARC)  6m  10m 
Freq. stability ≤ 20 Hz per °C after 30 minute warmup ± 1.5 p.p.m. (between 0°C and 50°C) ?
Tuning steps Continuous, 17 kHz per revolution of the main tuning knob 10 / 20 kHz (Japan version)
12.5 / 25 kHz (US/EU version)
Continuous

Receiver

RX-range 10-80 m 1260-1300 MHz (A version)
1258-1300 MHz (B version, Europe)
24 / 28 / 50 MHz
Modulations CW   SSB   FM   AM   FM   CW   SSB  
Sensitivity <1 µV (10 dB S+N/N) 0.25 uV (12 dB SINAD) ?
Selectivity 0.5 / 1.0 / 2.5 kHz ? ?
Filters - ? ?
Receiver system Double direct conversion Double conversion superheterodyne Double conversion superheteodyne
IF-freqs. ? 1st: 58.3 MHz
2nd: 455 kHz
?
Image rejection ? ? ?
Audio output Internal speaker + 1 W output @ 8 Ohms 1.5 W at 5% distortion / 8 ohms Internal speaker

Transmitter

TX-range 10-80 m 1260-1300 MHz (A version)
1258-1300 MHz (B version, Europe)
24 / 28 / 50 MHz
Modulations CW   FM   AM   FM   CW   SSB  
RF-output 30-40 W High: 10 W, Low: 1 W (version B), 5 W (version B) 100 W

Connections

Antenna SO-239 N-type SO-239
Impedance 35-75Ω 50Ω 50Ω
Other - - -

Electrical

Power req. 12V DC or mains 13.8 V DC 13.8V DC
Current RX ? 500-660 mA ?
TX ? 2.5-5.5 A Max 20 A

Physical

Manufactured Between 197x and 197x in USA Between 198x and 198x in Japan Between 199x and 199x in Japan
Dimensions 318 × 156 × 305 mm
(12.52 × 6.14 × 12.01 in)
160 × 50 × 175 mm
(6.30 × 1.97 × 6.89 in)
?
Weight 7.03 kg (15.5 lbs) 1.50 kg (3.3 lbs) ?
Form factor Base Station Mobile Base Station

Other features

Memories None 10 channels in 1 bank(s) None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features Full QSK 1750 Hz tone burst (version B only) ?
Accessories ? ? ?
MPN TEN-TEC-CENTURY-000021-(570) YAESU-FT-002311R YAESU-FT-000650