The 5MB/C-10.23/T0.8-S9 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 9.775 to 10.685 MHz, Bandwidth 0.91 MHz (3dB), Center Frequency 10.23 MHz, Insertion Loss 2.9 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/C-10.23/T0.8-S9 can be seen below.