Telewave TPRD-1556, 148-174 Mhz, External Duplexer, 6 Cavity Quantity in Basket: None Code: TPRD1556 Price: $3,080.00 Shipping Weight: 41.00 pounds Suggested List: $3850.00 Quantity: Telewave TPRD-1556 Band Pass/Band Reject Duplexer, 148-174 Mhz, Frequency Separation 400 KHz, Power Rating to 350 Watts, 6 Cavities, N OR UHF Female Connectors, 28 x 19" x 11", 37 Pounds. Order Action AC001 External Duplexer Cable Kit Separately.