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PHY-TETRA-2-FME-...

TETRA combiner with SWR adaption/adjustment network

  • Combiner for coupling of two TETRA mobile transceivers on one common antenna.
  • Factory-adjusted to either 380 - 410 MHz or 400 - 430 MHz.
  • Compact dimensions – especially suitable for mobile applications.
  • FME-connectors for direct connection of FME-cable without extra adapter.

DESCRIPTION

  • For parallel operation of two two-way communication radios (transceivers) where highest possible decoupling (isolation) is necessary.
  • Integrated SWR adjustment network for optimization of isolation in the frequency range of 380 - 410 MHz or 400 - 430 MHz. Via the adjustment network the effective SWR of the antenna can be optimized and consequently the isolation between the ports of the combiner clearly improved.
  • High isolation obtainable: Up to 60 dB (Dependent on the SWR of the connected antenna).
  • The adjustment of the SWR adjustment network takes place via built-in variable capacitors.
  • Max. TETRA transmitter power 2 x 10 W.
  • Also usable as equal power divider for max. 20 W.
  • Very small ripple over the total frequency range.

ORDERING DESIGNATIONS

TYPE PRODUCT NO.
PHY-TETRA-2-FME-380-410 210001836
PHY-TETRA-2-FME-400-430 210001837

SPECIFICATIONS

ELECTRICAL  
MODEL PHY-TETRA-2-FME-...
FREQUENCY 380 - 410 MHz or 400 - 430 MHz
MAX. INPUT POWER
(TETRA)
1 x 20 W if used as divider
2 x 10 W if used as coupler -
if more than 2 x 5 W, mounting on metal plate is recommended!
NOMINAL DIVIDER LOSS 3.0 dB
TOTAL LOSS INCL. SPLITTER LOSS /COUPLER LOSS ≤ 3.6 dB
IMPEDANCE Nom. 50 Ω
SWR < 1.3 (typ. < 1.25)
MECHANICAL  
TEMP. RANGE –30° C → +60° C
CONNECTOR TYPE FME-connectors
DIMENSIONS (L x W x H) 50.5 x 66 (including bottom plate
and connectors) x 19.5 mm
/ 1.99 x 2.59 (including bottom plate and connectors) x 0.77 in.
WEIGHT Approx. 80 g / 0.18 lb.
MOUNTING ø4 mm (two holes)

 

TYPICAL RESPONSE CURVE SWR 1

 

TYPICAL RESPONSE CURVE ANTENNA MU 1-Z/s (with 1.5 m cable)

 

TYPICAL RESPONSE CURVE ANTENNA MU 3-BZ/TETRA/l (with 1.5 m cable)

 

MOUNTING DETAILS

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