The GRF103 Series from Teledyne Relays is a RF Relay with Frequency DC to 6 GHz, Coil Voltage 5.0 to 12.0 V, Voltage 3.6 to 9.0 V (Pick-up Voltage), Power 180 to 250 mW, Resistance 100 to 800 Ohms. Tags: Centigrid. More details for GRF103 Series can be seen below.