1. This link is just a set of antenna + cable, nothing else.
2.This link is just a part, it is only used by the producer, please don’t shoot if you don’t understand.
Product parameters:2.4G 2DB wireless AP antenna + SMA cable
Frequency range: 2400-2500MHz
Input impedance: 50Ω Standing Wave Ratio: ≤2.0
Gain: 2dBi Radiation direction: omnidirectional
Antenna length: 11CM Connector:IPEX interface
Cable length: 15CM
2.4G antenna 2DBI is used for wireless Internet access, wireless router, network card and other electrical parameters