Generic 42 Multi-Function 2.4GHz RF Wireless Module - Transmitter test panels

Name: Generic 42 Multi-Function 2.4GHz RF Wireless Module - Transmitter test panels
Brand: Generic
SKU: IOWC-1566
Price: 46.00 INR
Availability: OutOfStock

₹46.00 (Inclusive of all taxes)

Out of Stock

A multi-function 2.4GHz RF wireless transceiver module supporting serial data transparency and switch control, ideal for low-power remote control applications with a range up to 100 meters.

Features

2.4GHz RF module with +5dBm transmit power and -95dBm receiving sensitivity for reliable 100m range communication.
Dual-mode operation supports both serial data transparency and direct switch signal control for versatile command handling.
Ultra-low idle current of 20µA enables long-term operation in battery-powered IoT and remote control devices.
Integrated PCB onboard antenna (-3dBi gain) simplifies design and reduces BOM cost for compact products.
Wide 1.8V to 3.6V supply voltage compatibility for direct integration with various microcontrollers and logic levels.

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Description

The Generic 42 multi-function 2.4GHz wireless module is a compact RF transceiver designed for remote control and low-rate data transmission in IoT systems. It operates across the global 2.4GHz ISM band (2400-2483.5MHz) and supports both transparent serial communication and direct switch control modes, making it adaptable for command-response or broadcast-style applications.

Engineered for ultra-low power consumption, the module draws a mere 20µA in idle state, making it suitable for battery-operated endpoints in smart home automation, medical devices, and industrial telemetry. Its robust RF front-end delivers a line-of-sight range up to 100 meters, facilitated by an integrated PCB antenna. The module’s wide operating voltage range allows for direct interfacing with 3.3V MCUs or lower-voltage battery packs without requiring a level shifter.

Key Features

Multi-functional 2.4GHz RF transceiver supporting serial data pass-through and digital switch control.
Optimized for ultra-low power operation with a deep sleep idle current of only 20 microamps.
Integrated -3dBi gain PCB antenna eliminates the need for external antenna components.
Supports customizable remote control commands and action types for application-specific logic.
Robust communication with a maximum transmit power of +5dBm and high receiver sensitivity of -95dBm.
Wide operating voltage range from 1.8V to 3.6V for compatibility with various power sources.
Industrial-grade operating temperature range from -40°C to +85°C for reliable performance in harsh environments.
Compact 34mm x 34mm form factor for easy integration into space-constrained designs.

Applications

Smart home automation for wireless control of lights, motorized curtains, and switches.
Medical device remote controls and patient monitoring systems requiring low-power wireless links.
Industrial telemetry and remote sensor data collection in IIoT networks.
Battery-powered remote controls for consumer electronics and DIY maker projects.
Wireless switching and status reporting in agricultural and environmental monitoring systems.

Technical Specifications

Item Type	Multi-Function 2.4GHz RF Wireless Module
Operating Frequency	2400 to 2483.5 MHz
Max Transmit Power	+5 dBm
Receiving Sensitivity	-95 dBm
Communication Distance	Up to 100 meters (Line-of-Sight)
Antenna Type	PCB onboard antenna
Antenna Gain	-3 dBi
Supply Voltage	1.8V to 3.6V
Idle Current	20 µA
Operating Temperature	-40°C to +85°C
Dimensions (L x W)	34 mm x 34 mm
Weight	3 g

Frequently Asked Questions

What are the primary communication modes supported by this 2.4GHz RF module?

The module supports two main modes: serial data transparency, where it acts as a wireless UART bridge passing data between two serial ports, and direct switch control, where it interprets specific RF packets to toggle digital output pins. You configure the mode via command frames sent over its serial interface, typically at a default baud rate like 9600 or 115200 bps, depending on the firmware version.

How do I power this module and what is its typical current consumption?

Power the module with a DC supply between 1.8V and 3.6V, connecting to the VCC and GND pins. During active transmission at +5dBm, current draw will peak. However, its key feature is an ultra-low idle current of 20µA when the RF transceiver is in sleep mode, which is crucial for extending battery life in remote sensors or controls. Ensure your power source can handle brief transmit current spikes.

Can I replace the onboard PCB antenna with an external antenna?

No, this module uses an integrated -3dBi gain PCB trace antenna soldered directly onto the board and is not designed for an external antenna connector like IPEX or SMA. The antenna pattern is omnidirectional. For optimal range, orient the module vertically and avoid placing metal objects or noisy power supplies directly next to the antenna section on the PCB to prevent signal degradation.

What software or protocol is needed to communicate with this RF module?

Communication is managed via AT-style or proprietary binary commands sent over its UART (TX/RX) interface. You need a microcontroller (e.g., Arduino, STM32) to generate these command frames for pairing, setting channels, or sending data. The module handles the 2.4GHz packetization. There is no built-in LoRaWAN or BLE stack; it uses a simple proprietary RF protocol, so you need matching transmitter/receiver pairs.

What is the effective range and how can I maximize it?

The specified 100-meter range is for open line-of-sight conditions. Real-world range through walls is significantly less. To maximize range, ensure clear paths, orient modules for best antenna polarization, and avoid 2.4GHz interference from Wi-Fi routers. Operating at the maximum +5dBm transmit power and ensuring a stable 3.3V supply also helps. For longer distances, consider a system with a higher-gain external antenna, which this module does not support.