The 411DD Series from Teledyne Relays is a RF Relay with Frequency 10 MHz to 1 GHz, Coil Voltage 5.0 to 32.0 V, Voltage 4.5 to 19.0 V (Pick-up Voltage), 0.15 to 10.4 V (Drop-out Voltage), Current 11.5 to 100 mA, Power 300 mW. Tags: TO-5. More details for 411DD Series can be seen below.