The 6MB/C-183/T10-18 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 177.15 to 188.85 MHz, Bandwidth 11.7 MHz (3dB), Center Frequency 183 MHz, Insertion Loss 5.75 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 6MB/C-183/T10-18 can be seen below.