12dbi outdoor log periodic antenna

Υπαίθρια συμπληρωματική κεραία 700MHz σημάτων κούτσουρων περιοδική 12dBi σε 2700MHz

Outdoor Log Periodic 12dBi Signal Booster Antenna 700MHz To 2700MHz 700 - 2700MHz Outdoor Log Periodic Antenna 12dBi For Mobile Phones 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