Telewave TPRD-1554, 148-174 Mhz, External Duplexer, 4 Cavity Quantity in Basket: None Code: TPRD1554 Price: $1,900.00 Shipping Weight: 36.00 pounds Suggested List: $2375.00 Quantity: Telewave TPRD-1554 Band Pass/Band Reject Duplexer, 148-174 Mhz, Frequency Separation 600 KHz, Power Rating to 350 Watts, 4 Cavities, N OR UHF Female Connectors, 28 x 19" x 11", 32 Pounds. Order Action AC001 External Duplexer Cable Kit Separately.