The M349-920M1 from Microsaw is a Delay Line with Frequency 870 to 960 MHz / 880 to 970 MHz, Center Frequency 915 to 925 MHz, Delay 1190 to 1210 ns, Group Delay 5 nS, Insertion Loss 22 to 28 dB. Tags: Surface Mount, Fixed. More details for M349-920M1 can be seen below.