Port #1: Common (Antenna) Port #2 with Passband = 755MHz – 1850 MHz, Rejection 40 dB min from DC to 1585 MHz Port # 3 with Passband = 1565 MHz – 1585 MHz, Rejection 35 dB min from DC to 400 MHz and 65 dB min from 1755 MHz to 1850 MHz Port # 4 with Passband = DC – 400 MHz (Transmit only), Rejection 30 dB min from 1565 MHz to 1585 MHz and 45 dB min from 1755 MHz to 1850 MHz, size is 1.52” H x 2.00” W x 4.20” L