The GRF424 Series from Teledyne Relays is a RF Relay with Frequency DC to 8 GHz, Coil Voltage 5.0 to 32.0 V, Voltage 4.0 to 19.0 V (Set/Reset Voltage), Power 288 to 410 mW, Resistance 61 to 2000 Ohms. Tags: TO-5. More details for GRF424 Series can be seen below.