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Last modified 2022-08-04

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Communicators NI-440DX (By LCL)

A picture of Communicators NI-440DX (By LCL), early version

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:27.60125-27.99125 MHz
Channels / tuning steps:40 (UK CB 27/81)
Mode:FM
Frequency control:PLL (LC7136 or LC7137)
Frequency stability:?%
Clarifier or Delta tune:No
Power supply:13.8 VDC (2-pin connector)
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:PA. Roger beep. Channel 9 switch.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:<0.5 uV (12 dB SINAD)
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: High: 4 W
Low: 400 mW
Modulation system:
Max FM deviation (Factory set):? KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan (By Mickey Industry Ltd), 1983-198x (Discontinued)
Main PCB: UK4000 PCB1
Single sided with through-hole components
Sub PCBs:
Additional info: Relay TX/RX switching.
The early version had a yellow meter
Related documents:
Sams Photofact #:
Modifications and fixes:
Reviews:
Options / Accessories:
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A picture of Communicators NI-440DX (By LCL), later version