Main control chip: RTL8821CU
Specifications: 1T1R
Speed: 150+433M
Interface: USB2.0
Size: 13*12.2*2.1mm (L*W*H)
Working voltage: 3.3V
Wireless standard: 802.11b/g/n/ac
Band width: 2.4G/5.8G
Working temperature: -20°C to +70°C
Features
■ Support Linux/Android operating system
■ Support Soft AP
■ Comply with CE/FCC/SRRC electromagnetic compatibility regulations
■ Follow RoHs/REACH environmental protection directive
■ Stamp hole package, easy to SMT process
■ Applicable to: IPC, smart TV, set-top box, driving recorder
Module size chart
Module pin
| Pin | Name | Description |
| 1 | GND | GND |
| 2 | ANT | 2G/5G WIFIANT |
| 3 | NC | No connection(floating) |
| 4 | GND | GND |
| 5 | NC | No connection(floating) |
| 6 | NC | No connection(floating) |
| 7 | NC | No connection(floating) |
| 8 | NC | No connection(floating) |
| 9 | NC | No connection(floating) |
| 10 | NC | No connection(floating) |
| 11 | VIN | VDD3.3V Power Supply/td> |
| 12 | USB DM | USB Transmitter |
| 13 | USB DP | USB Transmitter |
| 14 | GND | GND |
| 15 | 3DD_SYNC | PCM_OUT/GPIO1 |
| 16 | WL_DIS | WIFI DISABLE(Low Potential) |
| 17 | NC | No connection(floating) |
| 18 | CHIP_EN | High asserting for use/Low asserting for reset |
| 19 | HST_WAKE_WL | HOST to wake up WIFI |
| 20 | WL_WAKE_HST | WIF1 to wake up HOST |
| 21 | WPS | WPS Switch |
| 22 | LED | External LED Control |
