... upgradable to bigger one 4. Antenna :14dBi 2.4Ghz SMA Connector 5. High security 64/128/256bit WEP Encryption,TKIP,WPA,802 ... , 48, 36, 24, 18, 12, 9 & 6Mbps 802.11b: 11, 5.5, 2 and 1 Mbps with auto-ratefall back Access Protocol ... @ 54 Mbps -87dBm @ 11 Mbps Antenna One detachable 5dbi antenna(SMA connector) Dimension (mm)75 (L) x 59(W) x 12 ...