The 412D Series from Teledyne Relays is a RF Relay with Frequency 10 MHz to 1 GHz, Coil Voltage 5.0 to 32.0 V, Voltage 3.5 to 18.0 V (Pick-up Voltage), 0.14 to 13.0 V (Drop-out Voltage), Power 450 mW, Resistance 50 to 1560 Ohms. Tags: TO-5. More details for 412D Series can be seen below.