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Last modified 2025-05-31

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Elektromekano SM108 K

A picture of Elektromekano SM108 K

SPECIFICATIONS

GENERAL
Type:Marine lifeboat emergency HF transmitter-receiver
Frequency range: TX: 500 KHz and 8.364 MHz
RX: 500 KHz and 8.266-8.745 MHz
Tuning steps:Channelized
Frequency stability:500 KHz: Better than ±1 KHz @ -15 to +55°C (5 to 131°F)
Mode:TX: MCW
RX: CW / MCW
Channels / memory management: 2 regular
XTAL controlled
Duplex shift / offset:No
Power supply:365 and 6.3 V (Built in crank-up generator)
Current drain / power consumption:RX: 25 mA @ 325 V - 1.05 A @ 6.3 V
TX: 55 mA @ 325 V - 750 mA @ 6.3 V
Antenna impedance / connector:? ohm / ?
Dimensions (W*H*D):290*350*580 mm (11.42*13.78*22.83")
Weight:27 Kg (59.52 lb)
Other features:Automatic SOS or manual keying.




RECEIVER SECTION
Receiver system: Direct conversion (500 KHz)
Single conversion superheterodyne (8 MHz)
IF: 500 KHz
Sensitivity:
Squelch sensitivity: 500 KHz: Better than 100 uV for 1 mW into 500 ohm headphones
Selectivity:20 KHz (-6 dB)
Image rejection:
AF output power / speaker:? mW at ?% distortion / 500 ohm (Supplied headphones)
External speaker connector:-




TRANSMITTER SECTION
RF output power: Max 4 W
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:-
Microphone input level:-




MISCELLANEOUS
Manufactured:Denmark, 1955-195x (Discontinued)
Additional info: Tubes.
This is basically the same as SM108 KN2 but with
the crank-up generator on the side.
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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