The QBF-1330-1430-45 from Qualwave is a Band Pass Filter with Frequency 1.33 to 1.43 GHz, Bandwidth 100 MHz, Center Frequency 1380 MHz, Insertion Loss 0.5 dB, Upper Rejection 45 [email protected] to 4.5 GHz. Tags: Module with Connectors. More details for QBF-1330-1430-45 can be seen below.