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Compact CombinersPRO-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).

Specifications

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

Isolation Tx - Rx

60 dB

Insertion Loss Tx Path

< 0.7 dB

Impedance

50 Ω

Isolation Tx-Tx

60 dB

VSWR	In Tx mode ≤ 1.5:1 In Rx mode ≤ 2.0:1

Current Consumption

200 mA < 0.7 @ 12 V DC

LNA Noise Figure

< 1.2 dB

Gain Rx

3 ±1 dB (factory set)

No. of channels

Mechanical

Number Of Switch Operations

10⁷

Connection(s)

N(f)

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.

Environmental

Operating temperature range

-30 °C to +60 °C

Ordering Designations

Model	Product No.
PRO-COM450-SRC-2	210002130
Accessories
Power Supply AC/DC 12V/1A EU/UK/US	240000060

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

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://amphenolprocom.com/images/shop/catalog/pdf-for-catalouges/Declaration-of-Conformity-PRO-COM_150_450-SRC-x.pdf

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Compact CombinersPRO-COM450-SRC-2

Description

Specifications