Generic 42 Multi-Function 2.4GHz RF Module w/ PCB Antenna

Name: Generic 42 Multi-Function 2.4GHz RF Module w/ PCB Antenna
Brand: Generic
SKU: IOWC-1568
Price: 79.00 INR
Availability: OutOfStock

₹79.00 (Inclusive of all taxes)

Out of Stock

The Generic 42 is a versatile 2.4GHz RF transceiver module designed for remote control and serial data transmission in IoT applications. Operating from 1.8V to 3.6V, it features ultra-low idle current for battery-powered smart home and industrial automation projects.

Features

2.4GHz RF transceiver with up to 100m line-of-sight communication range for reliable wireless control.
Supports dual-mode operation: transparent serial data transmission and direct switch signal control for flexible integration.
Ultra-low power consumption with only 20µA idle current, ideal for battery-operated IoT sensor nodes and remote controls.
Integrated PCB onboard antenna (-3dBi gain) simplifies design and reduces external component count.
Wide operating voltage range (1.8V–3.6V) and industrial temperature rating (-40°C to +85°C) ensure robust performance.

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Description

The Generic 42 2.4GHz RF module is a compact, integrated wireless solution for command-response and transparent data applications. Its architecture is built around a low-power RF IC supporting the 2400–2483.5 MHz ISM band, achieving a link budget suitable for indoor and short-range outdoor telemetry.

Engineered for minimal power draw, the module’s 20µA sleep current enables extended deployment in energy-constrained systems. The onboard PCB antenna provides a -3dBi gain, offering a balanced trade-off between range and physical footprint, making it suitable for space-constrained designs like smart switches, medical alert devices, and motorized curtain controllers.

Key Features

Multi-functional 2.4GHz RF transceiver supporting serial data pass-through and discrete switch control signals.
Optimized for low-power operation with a deep sleep idle current of just 20 microamperes.
Integrated PCB trace antenna eliminates the need for external antenna components and matching circuits.
Robust communication protocol supports both acknowledged (command-response) and unacknowledged data packets.
Wide 1.8V to 3.6V supply range compatibility with common lithium battery and regulated power sources.
Industrial-grade operating temperature range from -40°C to +85°C for reliable performance in harsh environments.
Compact 35mm x 29mm form factor with castellated edge pads for easy PCB mounting and integration.

Applications

Smart home automation for wireless light switch, curtain motor, and appliance control.
Industrial telemetry for remote sensor data collection and low-rate command transmission.
Medical device connectivity for patient alert systems and non-critical monitoring.
Battery-powered remote controls and key fobs for consumer electronics.
DIY IoT projects requiring simple, reliable point-to-point wireless communication.

Technical Specifications

Wireless Protocol	2.4GHz RF
Frequency Range	2400 - 2483.5 MHz
RF Transmit Power	+5 dBm
Receiving Sensitivity	-95 dBm
Communication Distance	Up to 100 meters (LoS)
Antenna Type	PCB onboard antenna
Antenna Gain	-3 dBi
Supply Voltage	1.8V - 3.6V DC
Idle Current	20 µA
Operating Temperature	-40°C to +85°C
Dimensions	35mm (L) x 29mm (W)

Frequently Asked Questions

What is the typical communication protocol for this 2.4GHz RF module?

The module uses a proprietary 2.4GHz RF protocol supporting both transparent serial data transmission and discrete switch control commands. Data packets can be sent with or without acknowledgment (ACK), allowing for flexible implementation in remote control or telemetry systems. Developers typically configure the module via UART AT commands or pre-programmed firmware for specific control actions.

How do I power and interface with this wireless module?

Power the module within its 1.8V to 3.6V DC range, connecting VCC and GND to a stable source. Interface via its UART (TX/RX) pins for serial data mode or dedicated GPIOs for switch control mode. Ensure proper logic level matching if your MCU operates at 5V. The module's low 20µA idle current makes it suitable for direct battery connection, such as a 3V coin cell or LiPo pack.

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

No, this module features a fixed, integrated PCB trace antenna with a -3dBi gain and is not designed for an external antenna connector. The antenna is impedance-matched and tuned for the 2.4GHz band during manufacturing. For optimal range, ensure the PCB antenna area is kept clear of ground planes or metal obstructions within your enclosure design.

What is the effective range in real-world conditions?

The specified 100-meter range is achieved under ideal line-of-sight conditions with +5dBm transmit power. In typical indoor environments with walls and interference, expect a practical range of 20-30 meters. Range can be extended by optimizing placement, reducing data rate, or using a receiver module with higher sensitivity. The -95dBm receiver sensitivity helps maintain a stable link at the edge of its range.