Whilte Length 33cm LP Gain 10dBi Antenna Outdoor Log Periodic

Whilte Length 33cm LP Gain 10dBi Antenna Outdoor Log Periodic

700 - 2700MHz Outdoor Log Periodic 10dBi Antenna for Mobile Phone Signal Repeater

  A log-periodic antenna (LP), also known as a log-periodic array or log-periodic aerial, is a multi-element, directional antenna designed to operate over a wide band of frequencies. It was invented by John Dunlavy in 1952.
The most common form of log-periodic antenna is the log-periodic dipole array or LPDA, The LPDA consists of a number of half-wave dipole driven elements of gradually increasing length, each consisting of a pair of metal rods. The dipoles are mounted close together in a line, connected in parallel to the feedline with alternating phase. Electrically, it simulates a series of two or three-element Yagi-Uda antennas connected together, each set tuned to a different frequency.
  LPDA antennas look somewhat similar to Yagi antennas, in that they both consist of dipole rod elements mounted in a line along a support boom, but they work in very different ways. Adding elements to a Yagi increases its directionality, or gain, while adding elements to a LPDA increases its frequency response, or bandwidth.

Further detail pls click here for downloading the products specification:

ATNJ Mobile Signal Repeater.pdf

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