Model Wifi2437-6A is a rugged, weatherproof cavity bandpass filter from Anatech Electronics for outdoor WiFi installations. It has a center frequency of 2437 MHz with passband of better than 30 MHz. Passband insertion loss is less than 2 dB while passband amplitude ripple is less than 0.2 dB. Rejection is at least 60 dB at 2412 MHz and 2462 MHz, with return loss of more than 18 dB. The filter, which is supplied with SMA female connectors and measures 108 x 56 x 29 mm, features power-handling capability to 40 W.