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![]() | ![]() VIDEO SURVEILLANCE > CCTV accessories Directive antennas allow higher Audio/Video transmission ranges than omni-directional antennas. By transmitting in only one direction, unlike omni-directional antennas which transmit in any direction, and orienting opportunely the antennas you might double the transmission range, compared to standard models that mount 3 dB omni-directional antennas. By using 2 directive antennas (both on transmitter and receiver) you can triplicate the transmission range. Directive antennas are used mainly in outdoors, in order to eliminate noises due to bad weather conditions. | ![]() |