... -MT 2R4 AAA1 2 3 4 51:Type:Band pass Filter2:Dimension3:Material code4:Center Frequency:2R4= ... BulkFeaturesMiniaturization of SMT components, the transmission frequency band with a low-loss, Suppression frequency band with large attenuationApplicationFor 0.86G ... communications systems, personal hand-held phones, GSM, data transmission systems, wireless LAN, Bluetooth, wireless LAN Chip Band Pass Filter