The MF4A2600F220DCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 2490 to 2710 MHz, Bandwidth 220 MHz, Center Frequency 2600 MHz, Insertion Loss 1.2 dB, Upper Rejection 35 to 38 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MF4A2600F220DCA can be seen below.