SURECALL's panel antenna is designed to provide maximum coverage throughout indoor areas, it is a high-gain directional antenna for in-building cell phone signal boosters. The ultra-wideband antenna transmits and receives signals directionally and is designed to cover 2G, 3G, 4G, 5G, and WLAN systems for cellular, PCS, AWS, and LTE frequencies. 5.5/ 6/ 8 dBi maximum gain. N Female connector. 50 Ohm. Ultra-wideband: 617 – 2700 MHz. Includes mounting hardware.