The 5FS10-1268.52/T21-O/O from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 1257.97 to 1279.07 MHz, Bandwidth 21.1 MHz (3dB), Center Frequency 1268.52 MHz, Insertion Loss 0.6 dB, Upper Rejection 40 dB. Tags: Cavity Filter. More details for 5FS10-1268.52/T21-O/O can be seen below.