KATHREIN's MF-900B medium-gain half-parabolic antenna is a "Miniflector" antenna for spread spectrum, GSM, and similar wideband requirements. Kathrein's antenna operates in the 890 – 960 MHz frequency range and is of a heavy-duty construction featuring anodized aluminum pipe, tubing, and castings. The MF-900B has a gain of 16 dBi, is vertically polarized and terminated with an N Female connector.brbr Kathrein's 890 – 960 MHz Miniflector antenna is designed for fixed-station radio systems. This parabolic antenna has maximum reliability in severe environments. The Miniflector antenna is RoHS compliant. Mounting kits are available for masts of 2.375 – 4.5 in (60 – 114 mm) OD.