New Tohtsu CX-600M 12VDC SPDT UHF SO239 type Coaxial Antenna Relay This is a new, in original box, with documentation Tohtsu CX-600M SPDT type coaxial antenna relay with UHF female (type SO239) connectors at each port. The relay is 50 ohms and has a 12 vdc activation coil. The relay can be used as a transmit receive relay for a base station, or as a means of switching two 50 ohm signals. This is new inventory at Henry Radio. Shipping anywhere in the continental US is FREE. International shipping will be quoted on request. Specifications: RF Impedence: 50 Ohms Voltage Pull in: 9 Vdc - 16.5 Vdc (12 Vdc Nominal) Drop out: 1.5 Vdc minimum Current: 160 mA @ 12 Vdc at 20 degrees C Coil resistance: 75 Ohms +/-10% at 20 degrees C. Switching Time Pull in: 20 ms maximum Drop out: 15 ms maximum Life Expectancy: 1,000,000. Operation min. Mechanical Contact arrangement: SPDT Operational temperature: -55 to +70 degrees C. Weight: 230 grams Mounting: Two screws Cable connections: 3 M(UHF) Type female connectors Electrical Characteristics Frequency VSWR Isolation Ins.Loss IN PUT RF Power [MHz] [Max] [-dB(min)] [-dB(max)] [KW] 50 1.03 60 0.07 1.5 PEP (1.0CW) 150 1.10 48 0.10 1.3 PEP (1.0CW) 500 1.15 37 0.15 0.8 CW Coil Characteristics Nominal Voltage Voltage Range Resistance Ohms 12Vdc 9Vdc - 16.5Vdc 75 Ohms +/-10% at 20 degrees C. 24Vdc 18Vdc - 26.5Vdc 300 Ohms +/-10% at 20 degrees C. Pay me securely with any major credit card through PayPal!