EMR 65316-0/MC, 440-512 Mhz, Compact Internal Duplexer, 40 Watt Quantity in Basket: None Code: 653160MC Price: $350.65 Shipping Weight: 6.00 pounds Quantity: EMR 65316-0/MC, Compact Duplexer 440-512 MHz, Frequency Separation 5 MHz, Power Rating to 40 Watts, 6 Cavities, N Female Connectors, 1-3/8" x 6-1/8" x 8-3/4", 3 Pounds. List Price $425.00.