RFS Optimizer qualifies with Telef
A selection of cellular antennas from the wireless technology group, Radio Frequency Systems (RFS), has technically pre-selected by the leading Spanish cellular telephony operator, Telefónica Móviles España. A number of the qualifying antennas have been drawn from RFS’s Optimizer premium-grade cellular antenna suite, and some will play a role in the operator’s 2004 third-generation (3G) cellular deployment program.
A total of six antenna ‘families’ were preselected by the operator in 2004. The RFS antenna selection will support Telefónica Móviles in its ongoing program of enhancing its GSM 900 MHz and GSM 1800 MHz services, plus the deployment of Spain’s first new high-speed 3G data transmission service --Oficin@Movistar UMTS-- which was launched in February this year.
“We are delighted to again achieve qualification with Telefónica Móviles España, and to play a significant role in its ongoing network development,” said Enric Lara, Director General of RFS Spain. “It is a particular honour to see members of the RFS Optimizer family selected to play a role in Telefónica’s Móviles important 3G program.”
The RFS Optimizer series is a suite of high-performance cellular antennas featuring upper side lobe suppression typically better than 20 dB across the entire frequency range, significantly increased gain and superior front-to-back ratio (typically around 30 dB). Optimizer antennas incorporate null fill, and are available in a broad selection of fixed electrical and variable electrical tilts, plus a wide range of beam apertures.
Also included among the qualified antenna selection are a number of RFS’s compact helical antennas. Purpose-built to provide cellular coverage at the entrance and exit of rail and road tunnels, the RFS helical antennas feature a uniquely low-profile and robust construction. This ensures they are ideally suited to withstand the very high pressures that can be experienced in tunnels during the passing of high-speed trains. The helical antennas feature a high gain of between 11 to 15.5 dBi that allows them to be spaced up to 2000 metres apart within the tunnels.
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