KATHREIN's PR-900 "Paraflector" is a high-gain half-parabolic antenna used in broadcast and communications systems around the world. This "Paraflector" antenna operates in the 890 – 960 MHz frequency range and provides a high front-to-back ratio for point-to-point relay system applications, as well as GSM cellular repeaters and MAS and ISM systems.brbrThe PR-900 has a gain of 18 dBi, is horizontally or vertically polarized, and terminated with an N Female connector. Order mounting kit for masts 2.375 – 4.5 in OD separately. Kathrein's "Paraflector" antenna is RoHS compliant.