Author Archives: racom2016

PTT GSM RADIOS

Category : PTT GSM Radios

Push to Talk – PTT GSM Radios

What is Push to Talk?

Push to Talk (PTT) is a means of achieving two way communications by utilizing a cellular device on existing GSM cellular network infrastructure. The service could therefore be offered where the GSM networks have coverage, which greatly reduces the limitations on geographical coverage offered by other two way communication systems. It is a technology ideally suited for organisations with the need to communicate cost-effectively with their personnel in the field or on the road.

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Bi-Directional Amplifier

Band Selective Repeater works as a bi-directional amplifier to increase the signal between the Mobile Station and the Base Station, uses a pick up Donor Antenna to receive the radio signal from a donor cell and amplify the signal, then re-transmit signal by the Service Antenna to the target coverage area.

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DC-DC Converters

Category : DC-DC Converters


A DC-to-DC converter is an electronic circuit or electromagnetically device that converts a source of direct current (DC) from one voltage level to another. It is a type of electric power converter. Power levels range from very low (small batteries) to very high (high-voltage power transmission).

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