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WG222 is a highly integrated WiFi/Bluetooth combo module which features an application processor, a low power 1x1 802.11n dual-band Wi-Fi subsystem, a Bluetooth subsystem, and a Power Management Unit.
The application processor subsystem contains an ARM Cortex-M4F MCU. It also includes many peripherals, including UART, I2C, SPI, I2S, PWM, IrDA, and auxiliary ADC. It also includes embedded SRAM/ROM. The Wi-Fi subsystem contains the 802.11a/b/g/n radio, baseband, and MAC that are designed to meet both the low power and high throughput application. It also contains a 32-bit RISC CPU that could fully offload the application processor. The Bluetooth subsystem contains the Bluetooth radio, baseband, link controller. It also uses the same 32-bit RISC CPU for the Bluetooth protocols. The module requiring only an external 3.3V power supply. Below is the module top view.
Features：
(1)General
◆ ARM Cortex-M4 MCU with FPU with up to 192MHz clock speed
◆22 General Purpose IOs multiplexed with other interfaces
◆ Two UART interfaces with hardware flow control and one UART for debug, all multiplexed with GPIO
◆One SPI master or SPI slave interface multiplexed with GPIO
◆One I2C master interface multiplexed with GPIO
◆ One I2S interface multiplexed with GPIO
◆ Four channels 12-bit ADC multiplexed with GPIO
◆ 22 PWM multiplexed with GPIO
◆Module Size: 31.3mm*20.3mm*3.2mm
◆ Voltage supply: 3.3V±10%5 / 20
(2)Wi-Fi
◆ 802.11 a/b/g/n
◆ Supports 20MHz, 40MHz bandwidth in 2.4GHz band 5GHz band
◆ Dual-band 1T1R mode with data rate up to 150Mbps
◆ Automatic Beacon monitoring/scanning
◆ 802.11 i security features: pre-authentication and TSN; Hardware crypto engines including AES,DES/3DES, SHA2 for network security
◆ Infrastructure BSS Station mode/SoftAP mode
(3)Bluetooth
◆ Compliant with Bluetooth v4.2 BLE specification
◆ Enhanced power control
◆ Maximum +10dBm transmitting power
◆ BLE Beacon
◆Security Manage Protocol (SMP)
TechnicalHardware Features Model WG222 Antenna Type IPEX connect or PCB Antenna Chipset solution MT7697 Voltage 3.3V±10% Dimension(L×W×H) 31.3mm*20.3mm*3.2mm WIFI Wireless Features Wireless Standards IEEE 802.11a/b/g/n Frequency Range 2.412GHz-2.484GHz & 5.180GHz -5.825GHz Data Rates IEEE 802.11b : 1,2,5.5,11Mbps IEEE 802.11g : 6,9,12,18,24,36,48,54Mbps IEEE 802.11n : MCS0--MCS7 @ HT20 /2.4GHz band MCS0--MCS7 @ HT40 /2.4GHz band MCS0—MCS7 @ HT40 /5GHz band Receiver Sensitivity HT40 MCS7 : -70dBm@10% PER(MCS7) /5GHz band HT40 MCS7 : -70dBm@10% PER(MCS7) /2.4GHz band HT20 MCS7 : -73dBm@10% PER(MCS7) /2.4GHz band 54M: -75dBm@10% PER 11M: -88dBm@ 8% PER Modulation Technique DSSS (DBPSK, DQPSK, CCK) OFDM (BPSK, QPSK, 16-QAM, 64-QAM) Wireless Security WPA/WPA2, WEP, TKIP and AES, WPS2.0, WAPI Transmit Power IEEE 802.11n: 14-17dBm @HT20 MCS7 /5GHz band IEEE 802.11n: 14-17dBm @HT40 MCS7 /5GHz band IEEE 802.11n: 15-18dBm @HT20/40 MCS7 /2.4GHz band IEEE 802.11g: 15-18dBm @54Mbps IEEE 802.11b: 18-21dBm @11Mbps Work Mode AP, Station, AP/Client Others Certification RoHS compliance Environment Operating Temperature: -20℃~70℃ Storage Temperature: -40℃~125℃ Operating Humidity: 10%~90% non-condensing Storage Humidity: 5%~90% non-condensing Bluetooth Wireless Features Wireless Standards Bluetooth4.2 BLE Frequency Range 2.402GHz -2.480GHz Receive Sensitivity BER<0.1%: -95dBm Wireless Transmit Power BLE: -20dBm to +10dBm Application◆ BLE beacon
◆Industrial wireless control
◆ Bluetooth gateway
◆ Wearable electronical device
◆ Wi-Fi location-aware devices
◆ Security ID tags
◆ Smart home