Power Supply AC/DC 12V/1A EU/UK/US
PRO-COM450-SRC-2
2-Channel UHF Simplex Relay Combiner
Description
- 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).
Specification
| 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. |
Ordering Codes
| Model | Product No. |
|---|---|
| 2-Channel UHF Simplex Relay Combiner | 210002130 |
Additional Information
Block Diagram
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
PROCOM A/S reserves the right to
amend specifications without prior notice
PROCOM A/S • Smedetoften 12
DK 3600 Frederikssund • Denmark
Generated : 2026-06-27
Version 1