Chip: REALTEK RTL8821CS
Wi-Fi standard: IEEE802.11a / b / g / n / ac
Wi-Fi transceiver mode: 1T1R
Wi-Fi working frequency band: 2G + 5G
Wi-Fi maximum rate: 433.3Mbps
BT standard: Bluetooth 2.1 / 3.0 / 4.0 / 4.1 / 4.2
Working frequency band: 2.402-2.480GHz
Rate: 1Mbps / 2Mbps / 3Mbps
Interface type: WIFI: SDIO BT: UART
Working voltage: 3.3V