The 6MB/C-19/T2-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 17.705 to 20.295 MHz, Bandwidth 2.59 MHz (3dB), Center Frequency 19 MHz, Insertion Loss 2.7 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-19/T2-18 can be seen below.