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Last modified 2026-02-14

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Johnson 241-0390-040 "Duo-Scan Hi/Lo" (By E.F. Johnson Co.)

A picture of Johnson 241-0390-040 ''Duo-Scan Hi/Lo'' (By E.F. Johnson Co.)

SPECIFICATIONS

GENERAL
Type:VHF receiver/scanner
Frequency range: 37-43 / 153-160 MHz
Tuning steps:Channelized
Frequency stability:? ppm
Mode:FM
Channels / memory management: 8 regular
One XTAL per channel
Power supply:Mains: 117 VAC
or 11-16 VDC
Current drain / power consumption:? mA @ 13.8 VDC
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):159*51*229 mm (6.25*2*9")
Weight:1.02 Kg (2.25 lb)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:0.4 uV (12 dB SINAD)
Squelch sensitivity:
Noise figure:
Selectivity:
Image rejection:
AF output power / speaker:3 W at ?% distortion / ? ohm
External speaker connector:TS "Minijack" (3.5 mm)




MISCELLANEOUS
Manufactured:USA, 197x-197x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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