The 7MB/E-330/U20-S5L from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 316.55 to 343.45 MHz, Bandwidth 26.9 MHz (1dB), Center Frequency 330 MHz, Insertion Loss 2.45 dB, Upper Rejection 40 dB. Tags: Lumped Component Filter. More details for 7MB/E-330/U20-S5L can be seen below.