Normal SMA female - A hole in center, thread outside
RP SMA male - A hole in center, thread inside
RP SMA female - A pin in center, thread outside
SMA Kits have 15 pieces connectors converters
SMA right angle kits include three types: SMA male to female 90 degree & SMA female to RP SMA male 90 degree & RP SMA female to RP SMA male 90 degree
Female to female kits include 4 types : SMA female to female barrel & RP SMA female to RP SMA female barrel & SMA female to RP SMA female barrel & SMA female to female bulkhead
Male to Male kits : SMA male to male & SMA male to RP SMA male & RP SMA male to RP SMA male
SMA 3 way kits : SMA male to dual SMA female & RP SMA male to Dual RP SMA Female
Male to Female kits : SMA male to female & RP SMA male to SMA female & RP SMA Female to SMA male