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TRI 4/2/TETRA

Triplexer for Three Mobile Telephones 30 - 88 MHz (COM1) / 144 - 175 MHz (COM2) and TETRA (COM3)
Description
  • Triplexer for simultaneous operation of three mobile telephones on a common mobile telephone antenna.
  • Excellent coverage of the three bands 30 – 88 MHz,
    144 – 175 MHz and 380 – 470 MHz.
  • Extremely small dimensions.
  • Quick installation by means of dual-adhesive pad (provided).

Specification
Electrical
Model TRI 4/2/TETRA
Frequency Mobile telephone 1 : 30 – 88 MHz (COM1)
Mobile telephone 2 : 144 – 175 MHz (COM2)
Mobile telephone 3 : TETRA (COM3)
Max. Input Power 35 W max./mobile telephone
Insertion Loss 30 – 88 MHz : ≤ 0.7 dB
144 – 175 MHz : ≤ 1.0 dB
TETRA : ≤ 0.4 dB
Impedance 50 Ω
Isolation COM1 to COM2 ≥ 35 dB
COM2 to COM1 ≥ 40 dB
COM2 to COM3 ≥ 30 dB
COM3 to COM2 ≥ 40 dB
Environmental
Operating temperature range -30 °C to +70 °C
Mechanical
Connection(s) COM1, COM2, COM3, Antenna : SMA
Historic Brand Amphenol Procom
Dimensions 58 x 21 x 60 mm /
2.28 x 0.83 x 2.36 in.
Weight Approx. 0.068 kg / 0.15 lb.
Ordering Codes
Model Product No.
Triplexer for Three Mobile Telephones 30 – 88 MHz (COM1) / 144 – 175 MHz (COM2) and TETRA (COM3) 200001672
Additional Information
Connection Diagram

tri 4 2 tetra Connection diagram gb

tri 4 2 tetra Connection gb

Typical Response curve

TRI 4 2 TETRA VSWR

Installation note
  1. The 50 Ω cable between antenna and diplexer should be kept as short as possible (preferably not more than 1 m).
  2. Tuning: The antenna is tuned for best VSWR at the operating frequency as usual. The filter is factory-tuned and ready for installation.
PROCOM A/S reserves the right to amend specifications without prior notice
PROCOM A/S • Smedetoften 12 DK 3600 Frederikssund • Denmark
Generated : 2026-06-28 Version 1