Laird Technologies – FG1520 – 152-156 MHz Unity Gain Fiberglass Omni Antenna. Connectivity”s FG Series omnidirectional base station antennas incorporates a collinear design that is enclosed in high density fiberglass, which is covered with a protective ultraviolet inhibiting coating. The radiating elements are carefully phased to provide maximum gain in the horizontal plane. The mounting sleeves are tuned to eliminate RF currents from the transmission line, resulting in a “cold” sleeve that allows for greater freedom in mounting. The antenna’s high quality and well-focused beam provides the best efficiency with highest gain. Gain dBd 0 dBd. Type of Jumper Included Not Specified. Lightning Protection DC Ground. Gain dBi 2.15 dBi. Qty/ Uom 1 Each. Maximum Power 250 W. Maximum VSWR 2.0:1. Maximum Rated Wind Velocity 100 mile/h. Specific Frequency 152-156 MHz. Type of Hardware Included None. RF Connectors N Female. Item Weight 4 lb. Item Length 68 in.