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Handheld HF/VHF/UHF Scanner / receiver
Desktop Shortwave receiver
Desktop ULF/VLF Receiver

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  2m  1.25m  70cm  33cm  23cm  10m  4m  ? 2000m 
Freq. stability 5 ppm Within 1100 Hz (or 120 Hz using optional oven standard) over the temperature range of 0-50 °C. ?
Tuning steps 5 / 8.33 / 10 / 12.5 / 15 / 20 / 25 / 50 / 100 kHz Selectable steps of 10 Hz, 100 Hz, 1 kHz or 1 MHz; 200 steps per revolution (20 for 1 MHz steps) of tuning knob. Continuous

Receiver

RX-range 0.1-1300 MHz
Cellular blocked in the US
0.2-30 MHz 15-500 / 500-1500 kHz (2 ranges, 7 bands)
Modulations AM   FM   W-FM   AM   CW   USB   LSB   FSK   AM   CW   FSK  
Sensitivity ? (at 1.6 to 30 MHz, not more than antenna input) 0.5 µV for 10 dB S+N/N for SSB and CW using 2.1 kHz filter and 3.5 µV in AM (30% mod 1 kHz) using 6-kHz filter 0.2 to 1.6 MHz, not more than 1.5 µV SSB/CW and 10 µV AM for above conditions. 6 µV
Selectivity AM/FM: 12 kHz @ -6dB, 30 kHz @ -60 dB
W-FM: 150 kHz @ -6dB
Filter -3dB Min -60 dB Max
6.0 6.0 kHz 30.0 kHz
2.1 2.1 kHz 4.4 kHz
360 360 Hz 1250.0 Hz

optional
AC-3811 140 Hz 600 Hz
AC-3812 1.7 kHz 3.4 kHz
AC-3814 3.0 kHz 9.0 kHz
?
Filters ? ? 0.1 / 1 / 2 / 4 / 8 kHz
Receiver system Triple-conversion Superheterodyne Double conversion superheterodyne (?) Double conversion cuperheterodyne, including circuit arragement for cancelling drift of crystal oscillator (34 tubes)
IF-freqs. 1st: 248.45 MHz
2nd: 38.85 MHz
3rd: 450 kHz
1st: ?
2nd: 455 kHz
?
Image rejection ? ≥ 60 dB ?
Audio output ? Internal speaker 500 mW unbalanced, 10 mW balanced

Transmitter

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

Connections

Antenna SMA BNC Proprietary
Impedance 50Ω 50Ω 125Ω
Other - - -

Electrical

Power req. 3.6-4.5V DC internal (3R6) or 4.5-16V DC external Mains or 13.8 V DC Mains (115/230 V AC)
Current RX 39-150 mA ? 250 W with oven on, 150 W when oven off
TX - - -

Physical

Manufactured Between 2001 and 200x in Japan/Philippines Between 19xx and 19xx in USA Between 1951 and 19xx in USA
Dimensions 56 × 102 × 23 mm
(2.20 × 4.02 × 0.91 in)
394 × 191 × 457 mm
(15.51 × 7.52 × 17.99 in)
483 × 267 × 438 mm
(19.02 × 10.51 × 17.24 in)
Weight 145 gr (5.1 oz) without batteries 12.70 kg (28.0 lbs) 37.20 kg (82.1 lbs) including power supply PP-621/URR
Form factor Handheld Base Station Base Station

Other features

Memories 700 channels in 10 bank(s) None None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features Bug detector
Speech descrambler
Internal ferrite bar for MW/SW reception
W-FM Stereo with headphones
Passband tuning
Built-in AC/DC power supply
Built-in speaker
Digital frequency readout
Operating altitude up to 10,000 feet
Accessories ? ? ?
MPN ALINCO-DJ-X000003 COLLINS-000451S-1 COLLINS-R-000389/URR