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Last modified 2023-06-18

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KDK FM-240 (Kyokuto Denshi Co. Ltd.)

A picture of KDK FM-240 (Kyokuto Denshi Co. Ltd.)

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range: Europe
TX: 144-146 MHz
RX: 144-146 MHz
USA
TX: 142-149 MHz
RX: 142-149 MHz
Tuning steps:2.5-40 KHz in 2.5 KHz steps
Frequency stability:±? ppm
Mode:FM
Channels / memory management: 16 regular
1 call
1 scan edge pair
1 priority
RAM storage with lithium battery backup
Repeater shift / offset:±600 KHz (100 KHz to 12.7 MHz programmable)
Power supply:13.8 VDC ±15%
Current drain / power consumption:RX: 400-600 mA
TX: Max 5.5 A
Antenna impedance / connector:50 ohm / SO-239 (On pigtail)
Dimensions (W*H*D):140*40*170 mm (5.51*1.58*6.69")
Weight:1 Kg (2.2 lb)
Other features:CTCSS/PL encoder/decoder.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.7 MHz
2nd IF: 455 KHz
Sensitivity:0.2 uV (12 dB SINAD)
Selectivity:12 KHz (-6 dB)
25 KHz (-60 dB)
Image rejection:70 dB
AF output power / speaker:2 W at 10% distortion / No internal speaker
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:

HighLow
2 m:25 W5 W
Modulation system:Variable reactance
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:? ohm / 8-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1985-198x (Discontinued)
Additional info:
Related documents: User manual (1.8 MB)
FM-IF: BA4112
RF power module: Toshiba S-AV7
Modifications and fixes:
Reviews:
Options / Accessories:
34SPCH
SM-34A
SM-34E
SM-34J
Speech synthesizer unit
Speaker-microphone with up/down buttons and DTMF keypad
Speaker-microphone with up/down buttons and 1750 Hz tone call
Speaker-microphone with up/down buttons