3pcs Air602 W600 WiFi Development Board USB Interface CH340N Module Compatible with ESP8266

Feature Support frequency range 2 4 2 4835GHzSupport STA AP AP STA functionSupport AirKiss key distribution networkSupport TCP UDP HTTP DHCP DNS NTP ICMP etc The serial port supports RTS CTS and the baud rate ranges from 1200bps to 2MbpsSupport serial port transparent transmission functionSupport WIFI remote upgrade functionAT command compatible with ESP8266 UART1 interface Tips It is recommended that beginners first use the USB to TTL module test familiar with the module AT command and logic relationship and then use the microcontroller to develop Materials required W1FI module USB to TTL module DuPont lineInstructions 1 Connect the three pins of the WIFI module GND TX1 RX1 to the USB to TTL module 2 Access the computer open the serial port debugging assistant send the AT command testProjectParameterSupport WiFi standardIEEE802 11b g nRF system impedance50SWR 10dBFrequency Range2 4 2 4835 GHzReceiving sensitivity20MHz MCS7 71dBm40MHz MCS7 68dBm54Mbps 73dBm11Mbps 86dBm1Mbps 95dBmPhysical layer data rate802 11n MCS0 7150MbpsModulationDSSS OFDM DBPSK DQPSK CCK QAM16 64Output PowerIEEE802 11b DSSS 1Mbps POUT 17dBm IEEE802 11g OFDM 54Mbps POUT 10dBm IEEE802 11n OFDM MCS7 POUT 10dBm Interface TypeUART SPI GPIOInterface rate2Mbps UART Max 50Mbps SPI Max Operating Voltage3 3VWorking current110mANetwork TypeSTA AP AP STAEncryptionWPA PSK WPA2 PSKNetwork protocolTCP UDP ARP ICMP DHCP DNS HTTPInterface ProtocolAT Instruction SetPacka