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Desktop Shortwave receiver
Handheld VHF/UHF Scanner / receiver
Headless HF/VHF/UHF Scanner / receiver

General

HAM bands ? 6m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  2000m 
Freq. stability ? ? 0.5 ppm (0 to 60 C)
Tuning steps Continuous ? 1 ppm (25C 2C) 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
68-88 / 108-174 / 380-512 / 806-906 MHz (Europe)
30-54 / 108-174 / 380-512 / 806-906 MHz (USA)
9 kHz - 30 MHz (9 kHz - 180 MHz optional)
Modulations AM   AM   FM   AM   AM-sync   FM   CW   USB   LSB   DSB   ISB  
Sensitivity ? ? Mode 0.15?0.5 MHz 0.5?1.5 MHz 1.5?30 MHz
AM, AMS (30% modulation) ?103dBm
(1.6V) ?106dBm
(1.1V) ?108dBm
(0.9V)
AM, AMS (80% modulation) ?111dBm
(0.63V) ?115dBm
(0.4V) ?116dBm
(0.35V)
LSB, USB, ISB, DSB ?115dBm
(0.40V) ?118dBm
(0.28V) ?119dBm
(0.25V)
CW ?122dBm
(0.18V) ?125dBm
(0.13V) ?130dBm
(0.07V)
FM ?110dBm
(0.7V) ?113dBm
(0.5V) ?117dBm
(0.32V)
Selectivity ? ? ?
Filters ? ? ?
Receiver system TRF with regeneration ? DSP-based SDR with DDS-based double-conversion superheterodyne front end
IF-freqs. ? ? 1st: 45 MHz
2nd: 16 (12-22) kHz
Image rejection ? ? 1.8-7.3 MHz: 80 dB7.3-30 MHz: 70 dB
Audio output ? ? 600 ohm line audio

Transmitter

TX-range - - -
Modulations - - -
RF-output ? ? ?

Connections

Antenna - BNC SMA
Impedance 50Ω 50Ω 50Ω
Other - - -

Electrical

Power req. 6 + 45 + 135 + 180 V ?V DC ?
Current RX ? ? ?
TX - - -

Physical

Manufactured Between 1929 and 1935 in USA Between 199x and 199x Between 200x and 200x
Dimensions ? 58 × 145 × 42 mm
(2.28 × 5.71 × 1.65 in)
195 × 99 × 19 mm
(7.68 × 3.90 × 0.75 in)
Weight ? 250 gr (8.8 oz) with antenna and batteries 330 gr (11.6 oz)
Form factor Base Station Handheld Headless

Other features

Memories None 200 channels in 10 bank(s) @ 25 channels/second ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? DSP
Number of memory channels limited by computer memory
Accessories External PSU: National 3580B ? ?
MPN NATIONAL-COMPANY-SW-000004 20-303 WINRADIO-WR-G000313E