The 08-ANT-0935 from MP antenna is a Multi-Polarized, LTE GSM Positive Train Control (PTC) Antenna that operates from 700 MHz to 2700 MHz. It delivers a gain of 5 dBi and can handle up to 100 watts of input power. This multi band antenna has been tested and approved by class one and commuter rail, and undergone rigorous environmental and performance testing for approval on carrier networks. The single port antenna measures 4.5 x 4.5 x 4 inches and fits High Frequency Pin Style NMO Mounts Only. This Multi-Polarized three dimensional antenna is ideal for mobile voice, data communications, remote monitoring, train and rail PTC communications.