The 5MB/C-300/T12-14 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 293.4 to 306.6 MHz, Bandwidth 13.2 MHz (3dB), Center Frequency 300 MHz, Insertion Loss 7.1 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 5MB/C-300/T12-14 can be seen below.