Modern Era FM Handheld Portables
DH4PY

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      SEM-52S
  SEM 52-SL
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SEM 52-SL

is a German handheld radio.
It succeeds the SEM-52S, (issued in 1984). As modern radio it can transmit as well voice as data.
To transmit voice a built-in loudspeaker / microfone is used. ( as in SEM-52S ).
An external microfone also can be connected.
To use the whisper-mode: the microfone sensitivity can be increased by 12 dB.
A lot of accessories were made for this model: ( computer for programming, car mounting, various antennas etc.), so the usage is very widespread.


The SEM-52SL is the most recent handy portable of the German Army. As a comparison pictures are shown of
all known solid state SEM military handhelds ,
(also the known prototypes).

  Programming the SEM-52SL: > click <  


Frequency range:
30 ... 87.975 MHz
  • Standard is 46 ... 66 MHz
  • 64 ... 88 MHz may be ordered.
  •  


    Technical data:
    HF output:
    usually: 1 W; 0.3 ... 2 W may be chosen
    Channel spacing:
    usually: 25 kHz; 12.5 kHz and 20 kHz may be chosen
    Channels:
    12
    Operated by:
    Microprozessor
    Display:
    backlighted LCD
    Frequency chosen:
    preset channels oder manually
    Modulation:
    F3 (FM) or F1D (Data) up to 16 kbit;
    in simplex, semi-duplex or mixed mode
    Sensitivity:
    0.3 µV / 10 db
    Voltage:
    8 ... 15 V
    Batteries:
    AA-cells, NiCad- Block, Lithium- Block
    Squelch:
    Voice or 150 Hz-Tone or squelch off
    Measurements:
    L 202 x B 88 x H 36 mm
    Weight:
    630 gr
    In service since:
    1995