The TSH1N18D2G49LS0FBT from TAIYO YUDEN (U.S.A.) Inc is a RF High Pass Filter with Frequency 2300 to 2690 MHz, Bandwidth 390 MHz, Insertion Loss 1.5 dB, Rejection 35 dB, Lower Rejection 35 dB. Tags: Surface Mount, Ceramic Filter. More details for TSH1N18D2G49LS0FBT can be seen below.