WG222是双频WiFi，可以工作在5Ghz频段，这个频段则要干净得多，可以很容易地避免互相干扰。相比市场中常规的WiFi+蓝牙组合模块，双频WiFi+蓝牙组合模块具备更强更稳定的WiFi无线信号，更高速的传输速度，并且可以让无线设备更省电。
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双频WiFi，5G WiFi+蓝牙，BLE蓝牙信标
尺寸：31.3*20.3*3.2（mm）
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WG222基于MTK芯片MT7697研发，WiFi符合802.11 a/b/g/n 无线标准，支持2.4GHz和5GHz双频WiFi，蓝牙支持低功耗蓝牙。2.4G/5G双频WiFi+蓝牙二合一组合模块WG222的WiFi部分的接口是UART，蓝牙部分是UART/PCM 接口。

模块包含ARM Cortex-M4F MCU以及许多接口：UART，I2C，SPI，I2S，PWM，IrDA和辅助ADC，仅需要外部3.3V电源供电。

WG222应用框图

硬件特性/Hardware Features
Model	WG222
Antenna Type	IPEX connect or PCB Antenna
Chipset solution	MT7697
Voltage	3.3V±10%
Dimension(L×W×H)	31.3mm20.3mm3.2mm
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)
Modulation Technique	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

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