Digital Antenna's new 9dB gain global cellular antenna is designed and manufactured for all cellular systems, including third generation 3G and WCDMA technology. It improves signals on all cellular bands 850, 900, 1800, 1900 and 2100 MHz , offering excellent performance in a compact design. Ideal for many land and marine applications, including boats, RVs, homes and offices. Includes stainless steel L-bracket and U-bolts for mounting to a wall or pole. Made in the USA; assembled, tested and tuned by hand for maximum performance, quality and durability. Features . Powerful brass radiators. Soldered connections. Power directing ferrite choke bead. High gloss urethane finish. 316 stainless steel ferrule. 9dB gain Made in the USA; assembled, tested and tuned by hand for maximum performance, quality and durability Power directing ferrite choke bead. High gloss urethane finish