The 4FS10-2036/T80-P/P from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1978.5 to 2093.5 MHz, Bandwidth 115 MHz (3dB), Center Frequency 2036 MHz, Insertion Loss 0.55 dB, Upper Rejection 30 dB. Tags: Cavity Filter. More details for 4FS10-2036/T80-P/P can be seen below.