This uni-directional, yagi style antenna is intended for long range applications ranging from 15-60 miles from the transmitters. its 43 elements create a powerful 15.7 dbi gain with a front to back ratio of 27db.Features: High gain across entire UHF band, including channels 14 through 69 15 to 25 mile range 15.7 dB maximum gain 27dB front-to-back ratio Uni-directional Yagi style design Antenna Range-15 Mile to 60 Mile;Interfaces/Ports-Connectors-1 x F-type Female;Physical ...