Dimensions ( W x D x H )9.1 5.7 1.4 in (230 144 35 mm)Antenna4 Fixed External Antennas and 1 Internal AntennaWIRELESS FEATURESWireless StandardsIEEE 802.11ac/n/a 5GHz, IEEE 802.11b/g/n 2.4GHzFrequency2.4GHz and 5GHzSignal Rate5GHz: Up to 867Mbps2.4GHz: Up to 300MbpsReception Sensitivity5GHz:11a 6Mbps:-93dBm11a 54Mbps:-78dBm11ac HT20 mcs8:69dBm;11ac HT40 mcs9:-65dBm;11ac HT80 mcs9:-62dBm;2.4GHz:11g 54Mbps:-78dBm;11n HT20 mcs7:-74dBm;11n HT40 mcs7:-71dbmTransmit PowerCE EIRP: