Phelps Dodge 696-4 (440-470 MHz) 4 cavity pass-reject. Will tune to your frequency pair.
Minimum freq. spacing 4.0 MHz
Insertion loss 0.8 dB
Max. continuous power 250 watts
Tx noise supp. at Rx freq. 85 dB
Rx isolation at Tx freq. 85 dB
Temperature range -30 to +60C
VSWR 1.3:1
Weight 17 pounds