Product FAQ's

Answers to frequently asked questions about the products we offer.

Are your antennas lightning protected?

Did you know that globally, there are about 40 to 50 flashes of lightning every second, or nearly 1.4 billion flashes per year?

29/01/2019

Does antennaPRO supply TETRA equipment?

antennaPRO offer a wide choice of high performance antennas and filters for TETRA customers. TETRA, otherwise known as Terrestrial Trunked Radio or Trans European Trunked Radio, is a global standard f...

15/10/2016

Glossary of useful two-way communication acronyms

The following is a compiled list of acronyms commonly used in the industries that we are involved with…hope that they are useful

24/05/2016

What are Mutiplexers?

Multiplexers, can be considered as duplexers (2 bands), triplexers (three bands), quadruplexers (4 bands), up to as many as 12 bands. They provide a cost-effective solution for communication systems o...

05/05/2016

What does an SWR Analyser do?

An SWR (standing wave ratio) Analyser allows trimming of mobile antennas 'IN SITU' for optimum performance. It also allows you to check antenna installation for faults etc.

10/05/2016

What is a Cavity Combiner?

A Cavity Combiner is a device which allows the outputs of two or more transmitters on different frequencies to be combined.

17/12/2018

What is a combiner?

Combiners are used to combine various input signals with different frequencies into a single output to feed one antenna.

17/12/2018

What is a diplexer?

A diplexer is a 3-port device used in multiband systems which enables sharing a common antenna between two distinct frequency bands where each band encompasses both transmit and receive. This differs ...

05/05/2016

What is a duplexer?

A duplexer is a passive filter that allows bi-directional communication over a single antenna on a duplex radio communication system. It accomplishes this with low insertion loss while isolating the r...

05/05/2016

What is a Low Noise Amplifier?

The overall purpose of a Low Noise Amplifier (LNA) is to maintain a good Signal to Noise Ratio (SNR) and therefore ensure that the received signal is large enough to be read by the receiver.

17/12/2018

What is a Tapper?

A Tapper is a device to feed or 'tap' a portion of the RF signal to a 2nd port whilst feeding the main (1st) port.

A Tapper is used as part of a Distributed Antenna System (DAS) - often found in...

15/03/2016

What is an antenna?

An antenna is a transducer, i.e. a 'converter' between two media. The antenna converts electromagnetic energy in a cable into electromagnetic radiated power in free space.

23/11/2018

What is an isolator?

An isolator is essentially a ciculator with termination (load) placed on port 3.

They eliminate transmitter intermodulation by preventing RF from entering the PA stage.

Isolators form a i...

05/05/2016

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