New Product Wireless: In-building GPS repeater

An R3G antenna on the rooftop connects to a retransmission antenna box inside the building.

Blagnac (Toulouse) France —The R3G universal repeater, designed by the French company ELTA , makes it possible to receive and retransmit all GPS/GLONASS/Galileo positioning signals inside buildings such as aircraft hangars, plants, and factories, and is intended for all those who use time and/or geopositioning synchronization via GPS. With this device, all the functions offered by GPS, GLONASS, and Galileo services are now accessible in any covered area, without the material or device (aircraft, train, car, person) having to be taken outside the building.Consisting of an external antenna positioned on the roof of the building, the R3G repeater receives input frequencies between 1,160 and 1,614 Mhz. Once the signals have been picked up, they are routed via a reception cable (15 m, or about 50 ft., maximum length) to a radio frequency box that filters and amplifies the signal. The positioning signals can then be retransmitted inside the building via the transmission cable to the retransmission antenna box.The R3G system’s external antenna is designed to operate within a wide temperature range (-20° to +70°C; -4° to +158°F). The R3G repeater system distributes a variety of signals, such as:

GPS/GLONASS/Galileo (E5A-E5B-L5-L3)

GPS (L2)

GLONASS (L2)

Galileo (E6)

Galileo/GPS/GLONASS (E2-L1-E1)

ELTA develops, markets and maintains the operability of electronic equipment and systems for harsh environments, and is a joint subsidiary of AREVA TA and the German group OHB Technology, who respectively own 66 percent and 34 percent of the company.— Renee Robbins , editorial director, Control Engineering Daily News Desk

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