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Last modified 2023-01-24

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Commander 334 "Police monitor"

A picture of Commander 334 Police monitor

SPECIFICATIONS

GENERAL
Type:VHF receiver/scanner
Frequency range
depending on version:
Early production: 33-47 / 66-88 / 88-104 MHz
Later production: 66-87 / 88-104 / 144-173 MHz
Tuning steps:FM scanner: Channelized
WFM: Continuous, analog VFO
Frequency stability:? ppm
Mode:FM / WFM
Channels / memory management: Early production:
Scans up to 8 regular @ 16 channels per second
Sockets for 8+8 XTALs
Later production:
Scans up to 7 regular + 1 out of 10 local
Unknown number of XTAL sockets
Power supply: Mains: 220 VAC
or 13.8 VDC external
Can also run from internal eight LR14 / C batteries
Current drain / power consumption:Max 12 W @ 220 VAC
Less than 725 mA @ 13.8 VDC
Antenna impedance / connector:50-75 ohm / DIN41585 (Motorola) or internal telescopic whip
Dimensions (W*H*D):225*60*260 mm (8.86*2.36*10.24")
Weight:3 Kg (6.61 lb)
Other features:




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity:FM scanner: 0.5 uV (20 dB S/N)
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / 8 ohm
External speaker connector:3.5 mm




MISCELLANEOUS
Manufactured:Japan, 197x-197x (Discontinued)
Additional info: The "Memory" knob is just a scan resume timer adjustment and has nothing
to do with channel memories. It's unclear why they chose this confusing name.
New price 1972 in Sweden: SEK 1085:-
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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A picture of Commander 334 Police monitor, later production