The 4MB/C-2300/H300-14 from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 2118.5 to 2481.5 MHz, Bandwidth 363 MHz (0.5dB), Center Frequency 2300 MHz, Insertion Loss 0.7 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 4MB/C-2300/H300-14 can be seen below.