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Desktop Shortwave receiver
4 Band QRP CW Transceiver
Mobile VHF/UHF Transceiver

General

HAM bands ? 80m  40m  30m (WARC)  20m  6m  2m  70cm 
Freq. stability ? ? +/- 2.5 p.p.m.
Tuning steps Continuous 10 / 100 Hz, 1 / 100 kHz 5 / 6.25 / 8.33 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 / 100 kHz

Receiver

RX-range 15,5-26,6 / 23,5-41 / 37,5-65 / 64-115 meter
110-175 / 170-300 / 290 - 570 meter optional
3.2-16 MHz 108-174 / 430-480 MHz
Modulations AM   CW   USB   AM   FM   N-FM   W-FM   DV  
Sensitivity ? ? 0.2 µV (12 dB SINAD)
Selectivity ? 4 crystal filter, 400Hz-3KHz continued adjustable FM: 15 kHz (-6 dB), 30 kHz (-50 dB)
N-FM: 9 kHz (-6 dB), 20 kHz (-50 dB)
Filters ? ? ?
Receiver system TRF with regeneration ? Double conversion superheterodyne
IF-freqs. ? 400 Hz - 3 kHz 1st IF: 21.7 MHz (VHF), 30.85 MHz (UHF)
2nd IF: 450 kHz (VHF), 455 kHz (UHF)
Image rejection ? ? ?
Audio output ? 8ohm load about 0.1W 2 W at 10% distortion / 8 ohms

Transmitter

TX-range - 3.5-4 / 7.0-7.3 / 10.1-10.15 / 14.0-14.35 MHz
80 / 40 / 30 / 20 m
144-148 / 430-450 MHz
Modulations - CW   FM   N-FM   DV  
RF-output ? 4-5 W @ 13.8 V 5 .. 50 W

Connections

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

Electrical

Power req. 6 + 45 + 135 + 180 V 11.1 V battery pack or 9-14 V DC 13.8V DC +/- 15%
Current RX ? 60 mA 400-600 mA
TX - 800 mA 12 A max

Physical

Manufactured Between 1929 and 1935 in USA Between 201x and 201x Between 2016 and 201x in Japan
Dimensions ? 132 × 85 × 35 mm
(5.20 × 3.35 × 1.38 in)
140 × 60 × 188 mm
(5.51 × 2.36 × 7.40 in)
Weight ? 380 gr (13.4 oz) 1.30 kg (2.9 lbs)
Form factor Base Station Handheld Mobile

Other features

Memories None 30 channels in 1 bank(s) 1000 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? Auto key w/ adjustable speed ?
Accessories External PSU: National 3580B ? EJ-47U DV option
MPN NATIONAL-COMPANY-SW-000004 YOUKITS-HB-000001B ALINCO-DR-000735T