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Last modified 2023-01-24

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A picture of DLS-400


Type:VHF/UHF receiver/scanner
Frequency range:60-90 / 118-136 / 138-174 / 406-512 / 800-999 MHz
Tuning steps:12.5 / 25 KHz
Frequency stability:? ppm
Mode:AM / FM
Channels / memory management: 20 regular @ 7 or 14 channels per second (Selectable)
1 priority
RAM storage with battery backup.
Power supply:4.8 VDC (Four R6 / AA NiCd cells) or 13.2 VDC external
Current drain / power consumption:? mA
Antenna impedance / connector:50-75 ohm / DIN41585 (Motorola)
Dimensions (W*H*D):152*55*180 mm (5.98*2.16*7.09")
Weight:700 g (1.54 lb)
Other features:

Receiver system: Double conversion superheterodyne
1st IF: 10.7 MHz
2nd IF: 455 KHz - Ceramic filter: Murata CFG455E
Sensitivity: AM VHF: 1 uV (20 dB S/N)
FM VHF: 0.5 uV (12 dB SINAD)
FM UHF: 1 uV (12 dB SINAD)
Selectivity:15 KHz (-6 dB)
Image rejection:
AF output power / speaker:120 mW at 10% distortion / ? ohm
External speaker connector:3.5 mm

Manufactured:Japan (By AOR), 198x-198x (Discontinued)
Additional info: This is the Scandinavian version of Regency MX-4000
New price 1990 in Sweden: SEK 3240:-
Related documents: User manual (326 KB, in Swedish)
Schematic (590 KB)
PLL: µPD2833C
FM-IF: MC3359P
Modifications and fixes:
Options / Accessories:
DLS 220/9 Wall charger
An inside picture of DLS-400

A rear picture of DLS-400