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Last modified 2024-01-29

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Commander 500

A picture of Commander 500

SPECIFICATIONS

GENERAL
Type:VHF/UHF receiver/scanner
Frequency range:77.5125-79.9875 / 410-412.475 MHz
Tuning steps:Channelized
Frequency stability:? ppm
Mode:FM
Channels / memory management: 200 regular @ 55 channels per second
Channel bypass RAM memory with lithium battery backup
Power supply:13.8 VDC (Barrel connector, center positive)
Current drain / power consumption:120-390 mA
Antenna impedance / connector:50-75 ohm / DIN41585 (Motorola)
Dimensions (W*H*D):140*50*190 mm (5.51*1.97*7.48")
Weight:920 g (2.03 lb)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.7 MHz
2nd IF: 455 KHz - Ceramic filter: Murata CFW455E
Sensitivity: VHF: 0.2 uV (20 dB S/N))
UHF: 0.25 uV (20 dB S/N)
Selectivity: 50 KHz (-60 dB)
Image rejection:
AF output power / speaker:1 W at 10% distortion / ? ohm
External speaker connector:3.5 mm, 4-8 ohm




MISCELLANEOUS
Manufactured:Japan (Designed in Sweden), 1990-199x (Discontinued)
Additional info: Was tailor-made for the now withdrawn Swedish police and rescue bands.
Same as model 193 but with the addition of an "IQ-squelch".

New price 1990 in Sweden: SEK 2385:-
Related documents: FM-IF: TK10420
AF-Amp: uPC575C2
Phase comparator: TC5081
Oscillator/divider: TC5082
Modifications and fixes:
Reviews:
Options / Accessories:
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