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Last modified 2026-09-15

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Sommerkamp TS-340DX

A picture of Sommerkamp TS-340DX

SPECIFICATIONS

GENERAL
Type:Citizen band / "Freeband" / Export transceiver
Frequency range
depending on version:
Series 1 (Version A):   26.965-27.855 MHz
Series 1 (Version B):   26.965-27.405 / 27.665-28.105 MHz
Series 2 (Version A):   26.965-27.855 MHz
Series 2 (Version B):   26.965-27.405 / 27.665-28.105 MHz
Series 2 (Version C):   28.000-28.890 MHz
Channels / tuning steps:80
Mode:AM / SSB / CW
Frequency control:PLL: SM5118G (Series 1) or CCI3001 (Series 2)
Frequency stability:?%
Clarifier or Delta tune:±1 KHz
Power supply:13.8 VDC (Male 2-pin jack)
Current drain / power consumption:RX: 500 mA (Squelched)
TX: 1.8 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):203*53*183 mm (7.99*2.09"7.2")
Weight:2 Kg (4.41 lb)
Other features: ANL/NB. Channel 9 button. SWR-meter. An auxilary volume
control is located on the original microphone.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne
IF: 9.785 MHz
Sensitivity: AM: 0.5 uV (10 dB S/N)
SSB/CW: 0.2 uV (10 dB S/N)
Squelch sensitivity:0.5 uV (Threshold)
1 mV (Tight)
Selectivity: AM: 5 KHz (No reference)
SSB/CW: 2.2 KHz (No reference)
Image rejection:
AF output power / speaker:3 W at ?% distortion / 8 ohm
External speaker connector:TS "Minijack" (3.5 mm), 8-16 ohm




TRANSMITTER SECTION
RF output power: AM: 4 W
SSB: 12 W (PEP)
CW: ? W
Modulation system:
Max AM modulation (Factory set):More than 80%
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -60 dB
Microphone impedance / connector:500 ohm / 7-pin DIN
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1977-197x (Discontinued)
Main PCB: Series 1
?
Series 2
YG-214294V-1 PS 9009 by ?
Sub PCBs:
Additional info:
Related documents: User manual Series 1, Version B (1.9 MB)
Schematic diagram Series 2 (2 MB)
PLL: CCI3001
RF driver: 2SC2166
RF final: 2SC2312
Known markets and approvals: Export
No known approvals for CB use
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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A rear picture of Sommerkamp TS-340DX