Key Specifications, Connector In Series: SMA, Connector In Gender: Female, Connector Out Series: SMA, Minimum Frequency: 135 MHz, Maximum Frequency: 175 MHz, Impedance: 50 Ohm, Maximum Insertion Loss: 0.5 dB, Maximum Input Power: 150 Watts, Minimum Isolation: 20 dB. High Power Circulator With 20 dB Isolation From 135 MHz to 175 MHz, 150 Watts And SMA Female. RF circulator PE8426 from Pasternack is part of our extensive in-stock RF, microwave and millimeter wave components available for purchase. This RF circulator is manufactured with SMA connectors that are female. Our SMA circulator has a minimum frequency of 135 MHz and a maximum frequency of 175 MHz. This SMA coaxial circulator has a minimum isolation of 20 dB and a maximum input power of 150 Watts. PE8426 coaxial SMA circulator is one of over 40,000 RF, microwave and millimeter wave components supplied by Pasternack. Our radio frequency circulator can be bought and shipped worldwide the same-day as with our other in-stock RF parts.