PMI model CIR-5D4G5D9G-60W-SFF is a dual junction circulator that operates over the frequency range 5.4 to 5.9 GHz. 

Product Specifications

General Parameters:
Status: Preliminary
Frequency Range: 5.4 to 5.9 GHz
Frequency Min: 5.4 GHz
Frequency Max: 5.9 GHz
Insertion Loss: 0.8 dB Max (Tx/Rx)
Isolation: 45 dB Min
VSWR: 1.2:1 Max
Forward Power: 60 WATTS
Reverse Power: 60 WATTS
Connectors: SMA Female
Environmental Ratings:
Temperature: -40°C TO +85 °C
Humidity: MIL-STD-202, METHOD 103B COND. B
Shock: MIL-STD-202, METHOD 213B COND. B
Vibration: MIL-STD-202, METHOD 204D COND. B
Altitude: MIL-STD-202, METHOD 105C COND. B / 10,000 Ft
Temperature Cycle: MIL-STD-202, METHOD 107D COND. A