The 6MB/E-1300/T220-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1177.9 to 1422.1 MHz, Bandwidth 244.2 MHz (3dB), Center Frequency 1300 MHz, Insertion Loss 1 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/E-1300/T220-18 can be seen below.