ITEM NAME:5PCS 2.4Ghz WIFI Internal Antenna FPC 5dBi IPX IPEX Antenna IEEE 802.11 b/g/n Ew.IEEE 802.11 b/g/n WLAN System. 2.4GHz Antenna for IEEE802.11b/g/n WLAN System. Antenna Gain 4.5Â ± 0.7dBi. Pull Test >= 1.0 Kg. Storage Temperature - 40 Â °C ~ + 80 Â °C. Operation Temperature - 40 Â °C ~ + 65 Â °C.