The DEI9970-70.00MHz from Dynamic Engineers is a Band Pass Filter with Frequency 69.9 to 70.1 MHz, Bandwidth 200 kHz, Center Frequency 70 MHz, Insertion Loss 6 dB, Rejection 28 dB@±200 kHz of Center Frequency. Tags: Surface Mount, Through Hole, Crystal Filter. More details for DEI9970-70.00MHz can be seen below.