The D1G21G62 from Microwave Circuits is a Diplexer with Frequency f1 1218 to 1238 MHz, Frequency f2 1565 to 1685 MHz, Power 0.10 W, Attenuation 40 to 45 dBc, Attenuation f1 40 to 45 dBc. Tags: Surface Mount. More details for D1G21G62 can be seen below.