PRO-COM450-SRC-2

2-Channel UHF Simplex Relay Combiner

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Data Sheet
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PRO-COM450-SRC-2
Electrical
Model PRO-COM450-SRC-2
Frequency 350 – 470 MHz
Min. Input power 3 W
Max. Input Power 50 W
Switch Time Tx – Rx < 5 ms
Spacing Tx-Rx 4 MHz
Insertion Loss Tx Path < 0.7 dB
Impedance 50 Ω
Isolation Tx-Tx 60 dB
Isolation Tx – Rx 60 dB
VSWR In Tx mode ≤ 1.5:1
In Rx mode ≤ 2.0:1
LNA Noise Figure < 1.2 dB
Current Consumption 200 mA < 0.7 @ 12 V DC
Gain Rx 3 ±1 dB (factory set)
No. of channels 2
Environmental
Operating temperature range -30 °C to +60 °C
Mechanical
Number Of Switch Operations 10⁷
Connection(s) N(f)
Historic Brand Amphenol Procom
Dimensions 19″ x 1 HU x 300 mm
(483 x 133 x 300 mm) /
19 x 5.2 x 11.81 in.
Weight Approx. 3.9 kg / 8.60 lb.
  • The PRO-COM450-SRC-2 is an integrated single-tray solution to combine two simplex radios to one antenna.
  • When transmitting on one channel, the other channel is switched to a load to make sure that the system is secured against a simultaneous transmission on two channels.
  • Minimal rack space required – only 1 HU
  • Please specify Tx / Rx frequencies when ordering.
  • The PRO-COM450-SRC-2 is a 2-port UHF simplex combiner with active relays for controlling the switching between Tx and Rx.
  • The simplex combiner gives the possibility to combine two simplex radios to one antenna. In the Rx path a bandpass filter, an isolator and LNA is included.
  • The simplex combiner safeguards that both radio transmitters do not have access to the antenna at the same time, but the two radios are still able to listen on the Rx channel simultaneously.
  • The first radio that enables the transmitter will be able to transmit while the Rx/Tx port of the other transmitter will be switched to a internal load. When the first radio that enabled the transmitter stops transmitting the other transmitter is switched to the antenna and allowed to transmit and receive.
  • If no radio is transmitting, the system is in listening mode and both radios are able to receive the signal from the antenna.
  • When ordering please specify frequencies. (Rx/Tx port).

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Model Product No. Add To Quote
2-Channel UHF Simplex Relay Combiner 210002130

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Power Supply AC/DC 12V/1A EU/UK/US

Block Diagram

PRO COM450 SRC 2 diagram GB

Installation

Back side with port CH1, CH2, and ANT.

EU and UK Declaration of Conformity

Hereby Amphenol Procom declare that the product type PRO-COM450-SRC-2 is in compliance with EU Directive 2014/53/EU and
the UK Radio Equipment Regulations 2017 (S.I. 2017 No. 1206).
The full text of the Declaration of Conformity is available at:

https://s3.us-west-2.amazonaws.com/catsy.1080/Declaration-of-Conformity-PRO-COM_150_450-SRC-x.pdf