- GPS+BD antenna
GPS antenna refers to the antenna used for positioning and navigation by receiving satellite signals. The GPS antenna signals are L1 and L2, with frequencies of 1575.42MHz and 1228MHz respectively. L1 is an open civil signal, which is generally about 166-DBM. The GPS antenna is composed of ceramic antennas, Low noise signal module cable connector ceramic chips are mainly used. The larger the area of 25 * 25, 18 * 18 * 15 * 15 * 12 * 12 ceramic chips, the greater the dielectric constant
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