The available field programmer 300FP is ONLY compatible with the new PCB message module that is supplied with Series D products or the RMB9999SD and RM1SD.
300FP CommCenter̴å¬ Field Programmer
Air valve, for 3 " and 6" air horns, 120VAC
Box, wall mount, Part # FB
Box, weatherproof, gray Part # WB - WB-NM weatherproof Non metallic