LH 108/136

Diplexer for Car Radio and Mobile Telephone

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LH 108/136

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LH 108/136
Electrical
Model
LH 108/136-1GLH 108/136-2G
Frequency
Mobile telephone : 136 MHz – 1000 MHz
Car radio : 0 – 108 MHzMobile telephone : 136 MHz – 2300 MHz
Car radio : 0 – 108 MHz
Max. Input Power
136 – 500 MHz : < 35 W
500 – 1000 MHz : < 15 W136 – 500 MHz : < 35 W
500 – 1500 MHz : < 15 W
1500 – 2300 MHz : < 10W
Insertion Loss
0 – 108 MHz : ≤ 2.0 dB
136 – 144 MHz : ≤ 0.8 dB
144 – 1000 MHz : ≤ 0.7 dB0 – 108 MHz : ≤ 2.0 dB
136 – 144 MHz : ≤ 0.8 dB
144 – 2300 MHz : ≤ 0.7 dB
Impedance COM : 50 Ω, VSWR < 1.5:1
Radio : 75 Ω CRC or 50 Ω FME, VSWR < 1.5:1
Isolation ≥ 40 dB typ. ≥ 45 dB
RADIO to COM: > 38 dB at 108 and 136 MHz
Environmental
Operating temperature range -30 °C to +70 °C
Mechanical
Connection(s) COM : FME
Radio : CRC-Connector (M10 x 0.75) or FME
Antenna : FME
Historic Brand Amphenol Procom
Dimensions 50 x 21 x 60 mm / 1.97 x 0.83 x 2.36 in.
Weight Approx. 0.068 kg / 0.15 lb.
Accessories Car radio cable
Type 1 m CRC (length 1 m)
Type 5 m CRC (length 5 m)
  • Diplexer for simultaneous operation of mobile telephone and car radio on a common mobile telephone antenna.
  • Diplexer for Car Radio 0 – 108 MHz and Mobile Telephone bands with 3 options:
  • LH 108/136-1G covers 136 – 1000 MHz
  • LH 108/136-2G covers 136 – 2300 MHz
  • LH 108/136-2G-3FME covers 136 – 2300 MHz
  • Extremely small dimensions.
  • Quick installation using dual-adhesive pad provided.
  • FME-connections on antenna and transceiver terminals
  • 75 Ω (M10 x 0.75) or 50 Ω FME connector on the car radio terminal.
  • 1 m or 5 m Procom 75 Ohm car radio cable available as an option.

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Model Product No. Additional Information Add To Quote

LH 108/136-1G

 200000769 1 x CRC + 2 x FME

LH 108/136-2G

 200000762 1 x CRC + 2 x FME

LH 108/136-1G-3FME

 200000767 3 x FME

LH 108/136-2G-3FME

 200001709 3 x FME

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Typical Response Curve

Installation Notes

  1. The 50 Ω cable between antenna and diplexer should be kept as short as possible (preferably not over 1 m).
  2. Some communication antennas have insufficient height to ensure satisfactory broadcast reception. Only antenna whips with a height of at least 25 cm are acceptable.
  3. Tuning: The antenna is tuned for best VSWR at the operating frequency as usual. The filter is factory-tuned and ready for installation.
    The car radio is tuned for optimum reception on the MW-band by means of the antenna tuning screw (if present).
Application

LH 108 136 Diag GB