Overview
The WF111-A-V1C, produced by Silicon Labs, is a fully integrated 802.11 b/g/n Wi-Fi module designed for portable and battery-powered applications. This module integrates an IEEE 802.11 b/g/n radio, an internal antenna, and supports SDIO or CSPI host interfaces. It offers a low-cost and simple Wi-Fi solution for devices that run an operating system and a TCP/IP stack on-board, while providing the benefits of a module such as a small form factor, easy integration, and various certifications.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency | 2.412 GHz ~ 2.462 GHz |
| Data Rate | Up to 72.2 Mbps |
| Power Output | 21 dBm |
| Sensitivity | -97 dBm |
| Serial Interfaces | PIO, SDIO, SPI |
| Antenna Type | Integrated, Chip |
| Voltage Supply | 1.7 V ~ 3.6 V |
| Current - Receiving | 70 mA ~ 88 mA |
| Current - Transmitting | 74 mA ~ 192 mA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 33-SMD Module |
Key Features
- IEEE 802.11 b/g/n radio
- Single stream 2.4 GHz band
- Bit rates up to 72.2 Mbps
- Integrated antenna or U.FL connector option
- Hardware support for WEP, WPA, and WPA2 encryption
- Soft-AP support
- SDIO or CSPI host interfaces
- Fully CE, FCC, IC, Japan, and South Korea certified
- Operating system drivers for Linux
Applications
- Point of Sale (PoS) terminals
- RFID and laser scanners
- Wi-Fi internet radios and audio streaming products
- Wireless cameras
- Portable navigation devices
- Portable handheld devices
- Wi-Fi medical sensors
- Wireless picture frames
Q & A
- What is the frequency range of the WF111-A-V1C module?
The frequency range is 2.412 GHz ~ 2.462 GHz. - What are the supported data rates for this module?
The module supports data rates up to 72.2 Mbps. - What types of antennas are supported by the WF111-A-V1C?
The module supports integrated chip antennas or U.FL connectors for external antennas. - What are the power output and sensitivity specifications of the WF111-A-V1C?
The power output is 21 dBm, and the sensitivity is -97 dBm. - What serial interfaces are available on the WF111-A-V1C?
The module supports PIO, SDIO, and SPI interfaces. - What is the operating temperature range of the WF111-A-V1C?
The operating temperature range is -40°C ~ 85°C. - Is the WF111-A-V1C certified for various regions?
Yes, it is fully certified for CE, FCC, IC, Japan, and South Korea. - What types of encryption are supported by the WF111-A-V1C?
The module supports WEP, WPA, and WPA2 encryption. - Does the WF111-A-V1C support Soft-AP mode?
Yes, it supports Soft-AP mode. - What are some typical applications for the WF111-A-V1C module?
Typical applications include PoS terminals, RFID and laser scanners, Wi-Fi internet radios, wireless cameras, and more.
