This N connector can be terminated with B7810A, B8214 coax cable by clamp to be N pigtail to transmit plenty of signals in base station.
B7810A, B8214 have similar dimensions as LMR400, CFD400, RG8U coaxial cable, so N plug for B7810A or B8214 coaxial cable is same one as N plug for LMR400 low loss cable, and the PN is C27CA38L40003.
Please link N connector plug straight clamp for RG58/LMR195/RG141 to get drawing of C27CA38L40003 for B7810A, B8214, LMR400 cable.