CSM 900 is a low profile omni directional antenna designed to cover 824 - 960 Mhz - 2 db Gain 1710 - 2170 Mhz - 2 db Gain 2400 - 2500 Mhz - 3.5 db Gain Antenna is designed for smart metering and wireless data communications applications. Stud mounting offers ease of installation in the field. Length 9.5cm Diameter 4.2cm Termination Low Low RG58 cable terminated with SMA Male Connector