Working current: 150mA (average), 500mA (peak)
TF card: SDSC, SDHC (<32G); CLASS2, CLASS4
Frequency range: 2.4G-2.5G (2400M-2483.5M)
Receive sensitivity:
802.11b: -91 dBm (11 Mbps)
802.11g: -75 dBm (54 Mbps)
802.11n: -72 dBm (MCS7)
WiFi module: Station/SoftAP
Security mechanism: WPA/WPA2
Network protocol: IPv4, TCP/UDP/HTTP/FTP/MQTT
Actual size: 49.37*25.87*16.5mm