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The SEM-25 is a short-range VHF FM transceiver. It was introduced in the 1960's and used well into the 1980's. The SEM-25 uses all solid state technology except for the transmitter power amplifier. A receiver only configuration also exists under the name Military EM-25

General characteristics

HAM bands
11m (CB)  6m  10m 
Frequency stability
±3.5 kHz from -40 to +60°C
Tuning steps
50 kHz
Memories
880 channels in 1 bank(s)

Receiver

RX-range
26.000-69.950 MHz
Modulations
FM  
Sensitivity
0.5 µV (20 dB S/N)
Selectivity
± 50 kHz @ 80 dB
Filters
> 30 kHz (-6 dB)
Receiver system
?
IF-frequencies
?
Image rejection
?
Audio output
50 mW into 600 ohm

Transmitter

TX-range
26.000-69.950 MHz
Modulations
FM  
RF-output
1 / 15 W

Connections

Antenna
BNC + Proprietary (military)
Impedance
50Ω
Other
-

Electrical

Power requirements
24V DC (21-29V DC, 32V max)
Current drain RX
60 mA (24V)
TX
240 mA (24V)

Physical

Dimensions (w×h×d)
222 × 268 × 330 mm (8.74 × 10.55 × 12.99 in) transceiver + control box
Weight
17.00 kg (37.5 lbs) transceiver + control box
Form factor
Base Station
Manufactured
Between 196x and 198x in Germany

Other features

Usage
Military communication
Features + options
-
Accessories
-
RigReference ID
5169
MPN
MILITARY-SEM-000025

Manuals, diagrams and brochures

No documents available for this particular model.
 
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Reviews & stories

Rating Title Submitted
My sweet SEM-25 tank-radiosets! 5 years ago by eigustav

New and second-hand prices

Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the value of a used Military SEM-25. Just bought or sold this model? Let us know what you traded it for and help other ham operators!

Based on historic data, today's second-hand price of the Military SEM-25 is around:

  • EUR 32.00 ~ EUR 3.00

Price History Chart

These estimates are based on the following prices:

Year Historic price Condition Submitted by
2010 EUR 200.00 Used / Good eigustav
2009 EUR 25.00 New / Mint elmer

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