Manufacturer Sinclair Mfg. Model No. Q2222E-2 Product Description 160-174 MHz Duplexer Type Rack Mount Q-Circuit Duplexer Freq. Range (MHz) 160-174 Product Narrative VHF pass/reject duplexer. Specify your exact transmit and receive frequencies. Min. Seperation (MHz) 3 MHz Maximum Input (Watts) 120 Insertion Loss (Tx/Ant-dB) 0.8 Insertion Loss (Rx/Ant-dB) 0.8 Isolation Rx (Notch-dB) 80 Isolation Tx Side 80 Connectors N Female No. of Cavities/Size 4 temp. Range deg-C -30 to +60 Maximum VSWR @ 50 Ohms 1.5:1 Tuning Method Factory Tune Size (HxWxD") 4.2"x19"x17" Comment Specify Transmit and Receive frequencies in notes section at check out - A good phone number must be provided to verify order Customer What is the Transmit Frequency? What is the Receive Frequency? Specify in notes at checkout Mfg. Warranty 2 Year