Model AD1542-1643D296 from Anatech Electronics is a cavity duplexer designed for L-band applications including radar, communications, and avionics systems. It has a first passband of 1524 to 1560 MHz (36-MHz bandwidth) and a second passband of 1626.5 to 1660.5 MHz (34-MHz bandwidth). The passband insertion loss is less than 2 dB with passband ripple of less than 0.2 dB. Isolation is more than 40 dB. The duplexer can handle power levels to 50 W CW and exhibits return loss of greater than 15 dB. It measures 6.3 x 3.23 x 0.89 in. and is supplied with female SMA connectors.