SKU: IOWC-0110
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Skylab WG222 Dual-band Serial Port Wi-Fi Bluetooth Combo Module

₹1,979.00 (Inclusive of all taxes)
Out of Stock

The Skylab WG222 is a high-performance dual-band Wi-Fi and Bluetooth 4.2 BLE combo module, powered by an ARM Cortex-M4F processor for IoT, smart home, and wearable device development.

Features

  • Dual-band 2.4GHz & 5GHz 802.11 a/b/g/n Wi-Fi with up to +21dBm TX power for robust wireless connectivity.
  • Bluetooth 4.2 BLE support with configurable TX power from -20dBm to +10dBm for short-range device pairing.
  • ARM Cortex-M4F MCU with FPU, clockable up to 192MHz, providing ample processing power for embedded applications.
  • Rich peripheral set including UART, SPI, I2C, I2S, 4x 12-bit ADC channels, and PWM for versatile sensor and actuator integration.
  • Compact 31.3mm x 20.3mm footprint with 3.3V operation, designed for space-constrained, low-power IoT deployments.

Out of stock

Description

The Skylab WG222 WiFi Bluetooth Module integrates a powerful ARM Cortex-M4F microcontroller with dual-band wireless radios in a compact, surface-mount package. It provides a complete wireless subsystem for developers building connected products requiring both local Wi-Fi networking and Bluetooth Low Energy for device configuration or peripheral connectivity. The module supports all standard 802.11 a/b/g/n operations in both 2.4GHz and 5GHz bands, with transmit power up to +21dBm for extended range.

Engineered for low-power operation, the WG222 is ideal for battery-powered IoT endpoints, wearables, and smart home sensors. Its integrated Bluetooth 4.2 stack enables beaconing, data transfer, and peripheral emulation alongside Wi-Fi connectivity. The module’s extensive GPIO and peripheral interfaces, including high-resolution ADCs and I2S for audio, allow it to serve as the central processing and communication hub in complex embedded systems, simplifying hardware design and reducing time-to-market.

Key Features

  • Dual-band Wi-Fi (2.4/5GHz) and Bluetooth 4.2 BLE co-existence on a single module.
  • High-performance 192MHz ARM Cortex-M4F core with hardware floating-point unit (FPU).
  • Supports Wi-Fi AP, Station, and concurrent AP/Client modes for flexible network topologies.
  • Integrated hardware security accelerators for WPA/WPA2, AES, and SHA2 encryption.
  • 22 multiplexed GPIO pins provide extensive control over external peripherals and sensors.
  • Ultra-compact form factor (31.3 x 20.3 x 3.2 mm) suitable for miniaturized product designs.
  • Low power consumption architecture optimized for always-on IoT sensing and control applications.
  • Comprehensive development support with SDKs for embedded wireless protocol implementation.

Applications

  • Smart Home Automation: Central hub or node for lighting, climate, and security control.
  • Wearable Technology: Fitness trackers and smartwatches requiring dual wireless connectivity.
  • Industrial IoT (IIoT): Wireless sensor nodes for telemetry, monitoring, and control systems.
  • Consumer Electronics: Connected appliances, toys, and multimedia devices with audio (I2S) support.
  • Prototyping & Development: Rapid wireless integration for makers and product design teams.

Technical Specifications

Microcontroller / SoCARM Cortex-M4F
CPU FrequencyUp to 192 MHz
Wireless ProtocolsWi-Fi 802.11 a/b/g/n, Bluetooth 4.2 BLE
Frequency Range2.4 GHz (2.402-2.480 GHz), 5 GHz
RF Transmit PowerWi-Fi: Up to +21 dBm, BLE: -20 dBm to +10 dBm
Supply Voltage3.3V ±10%
InterfacesUART, SPI, I2C, I2S, ADC, PWM
ADC Channels4 x 12-bit
GPIO22 Multiplexed I/Os
Antenna ConnectorIntegrated PCB antenna or external via pads
Operating TemperatureStandard Commercial Range
Dimensions (LxWxH)31.3 mm x 20.3 mm x 3.2 mm

Frequently Asked Questions

What is the primary power supply requirement for the WG222 module?

The WG222 module requires a stable 3.3V DC power supply with a tolerance of ±10%. It is critical to ensure your power source can deliver sufficient current, especially during peak RF transmission, to maintain stable Wi-Fi and Bluetooth operation and prevent brownouts or resets in your embedded design.

How do I configure the WG222's Wi-Fi and Bluetooth functionality?

Configuration is performed via AT commands sent over a UART interface. You must connect the module's UART TX/RX pins to a host MCU or USB-to-serial adapter, set the correct baud rate (typically 115200), and send standardized AT commands to join Wi-Fi networks, set Bluetooth parameters, or configure the module's operational mode (STA, AP, or dual).

Can I use an external antenna with the WG222 module?

Yes, the WG222 module typically has provision for an external antenna via RF pads or a connector footprint on its PCB. You must consult the specific module's datasheet for the impedance-matched layout and solder an appropriate IPEX or PCB antenna, which can significantly improve range over the default integrated PCB antenna in challenging RF environments.

What development tools and SDKs are available for the WG222?

Development typically involves using the manufacturer's proprietary SDK, which provides libraries for Wi-Fi, Bluetooth stack management, and peripheral drivers. You will need a compatible JTAG/SWD debugger for programming the ARM Cortex-M4F core and an IDE like Keil MDK or IAR Embedded Workbench to compile and flash your firmware onto the module's internal flash memory.

What are the key considerations for low-power design with this module?

To minimize power consumption, leverage the module's deep sleep modes via AT commands, where current drops to microamps. In your firmware, aggressively manage the active duty cycle, turn off unused peripherals like I2S or ADC, and optimize Wi-Fi/Bluetooth connection intervals. Always measure actual current draw with a multimeter in your specific application scenario.

Package Includes

  • 1 x Skylab WG222 Dual-band Serial Port WiFi Bluetooth Combination Module

Additional Information

Weight 0.004 kg
Dimensions 3.13 × 2.03 × 0.32 cm