The miniature model W815F from Wireless Technologies offers sharp attenuation to nearby signals emanating from pager and cellular stations. If features standard 25 MHz Bw, centered at 915 MHz and less than 1.5 dB insertion loss. The filter's insertion loss is less than 1.5 dB, and amps cellular band and pager isolation is greater than 30 dB. Model W815F is designed for "in series " with receive system of base station. It withstands transmit power greater than 200 Watts and measure 3.5× 7× 1.5 Type N-F connectors are standard.