4 EACH TXRX 440 MHZ CAVITY/DUPLEXERS UNUSED!!! model 2-70-25-20-15 specs 406-512 Mhz Physically 10 inch diameter 36 inches high. Cost $1100 New.Will take $100 each. Pickup Orlando Fl or will deliver reasonable distance or meet halfway etc. Pix on request. Thank you Al