Model name demystification
M - 300 U - PP - D
Coaxial and balanced line arrestors
Model number
Connector type:
U = UHF (SO239)
N = N
B = BNC
F= F
Designator:
QRP = QRP (10 watt)
O = Offset connectors
PP = Power pass
Designator:
D = Double unit
Morgan Mfg.