AI-Thinker NF-05 2.4GHz GFSK Wireless Transceiver Module

Name: AI-Thinker NF-05 2.4GHz GFSK Wireless Transceiver Module
Brand: AI-Thinker
SKU: IOWC-0041
Price: 91.00 INR
Availability: OutOfStock

₹91.00 (Inclusive of all taxes)

Out of Stock

The AI-Thinker NF-05 is a low-power 2.4GHz GFSK/FSK wireless transceiver module based on the Ci24R1 chip, designed for high-performance data links in battery-powered IoT applications like remote controls and smart home devices.

Features

Ultra-low power consumption down to 2µA in sleep mode with a fast startup time under 160µs for extended battery life.
High-performance Ci24R1 RF core supports GFSK/FSK modulation with configurable data rates of 250Kbps, 1Mbps, and 2Mbps.
Integrated high PSRR LDO and intelligent ARQ baseband engine simplifies system design and reduces peripheral component count.
Operates on the global 2.4GHz ISM band, ideal for wireless mice, keyboards, remote controls, and smart home sensor networks.
Robust operating temperature range from -40°C to 85°C ensures reliability in industrial and outdoor environments.

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Description

The AI-Thinker NF-05 module integrates the Ci24R1, a specialized 2.4GHz GFSK wireless transceiver chip engineered for ultra-low-power wireless connectivity. Its architecture prioritizes minimal power draw and rapid wake-up cycles, making it a cornerstone for battery-operated IoT nodes requiring intermittent high-speed data bursts.

The module’s integrated LDO with high Power Supply Rejection Ratio (PSRR) ensures stable operation under noisy power conditions, while the built-in ARQ protocol engine handles automatic packet retransmission, reducing firmware complexity. This combination of low external component count and intelligent baseband processing delivers a cost-effective, reliable RF link for volume production.

Key Features

Core Ci24R1 chip delivers industry-leading RF performance and power efficiency for 2.4GHz ISM band applications.
Supports multiple data rates (250Kbps, 1Mbps, 2Mbps) and channel selection for flexible network design.
Integrated high PSRR LDO regulator minimizes external power supply circuitry and noise susceptibility.
Intelligent ARQ (Automatic Repeat Request) baseband engine simplifies reliable data transmission protocol implementation.
Ultra-fast startup time (<160µs) from deep sleep enables responsive, event-driven wireless communication.
Broadcast mode support allows for one-to-many data distribution in sensor networks or control systems.
Minimal peripheral device requirement significantly lowers overall Bill of Materials (BOM) and system cost.

Applications

Wireless Human Interface Devices (HID): Mice, keyboards, and game controllers.
Smart Home Automation: Remote controls for lights, blinds, and appliances.
Industrial Telemetry: Short-range sensor data transmission for condition monitoring.
Motion Sensing Devices: Wireless links for PIR sensors or inertial measurement units.
Wireless Audio & Data Transmission: Low-latency control channels for peripherals.

Technical Specifications

Wireless Chip/SoC	Ci24R1
Wireless Protocol	GFSK, FSK
Frequency Range	2.4GHz ISM Band
Data Rate	250Kbps, 1Mbps, 2Mbps
Supply Voltage	3.6V
Operating Current	100mA (typical)
Sleep Current	2µA (typical)
Interfaces	SPI for configuration & data
Antenna Connector	Integrated PCB antenna or external option (chip dependent)
Operating Temperature	-40°C to 85°C
Dimensions	Approx. 8mm x 5mm x 1mm (module)

Frequently Asked Questions

What is the primary communication interface for configuring the NF-05 module?

The NF-05 module is configured via an SPI interface. You must connect the module's SPI pins (MOSI, MISO, SCLK, CS) to your host microcontroller and use the Ci24R1's register map to set parameters like data rate, channel frequency, and output power before initiating wireless transmission or reception.

How do I achieve the advertised 2µA sleep current with the NF-05?

To enter the 2µA deep sleep mode, you must send the appropriate shutdown command via SPI to the Ci24R1 chip's power management registers, disabling the RF synthesizer and core logic. Ensure your external microcontroller also controls the module's enable pin to cut power if needed, and verify no GPIOs are leaking current.

Can the NF-05 module communicate with common 2.4GHz devices like nRF24L01+?

Potentially, yes, if configured for compatibility. Both chips operate in the 2.4GHz band with GFSK/FSK. You must match the NF-05's data rate (1Mbps or 2Mbps), channel frequency, and packet structure (preamble, address, CRC) to the nRF24L01+'s settings. Testing in a controlled environment is required to ensure reliable interoperability.

What antenna options are available for the NF-05 module?

The NF-05 module typically uses a integrated PCB trace antenna for compact designs. For extended range, you can connect an external 2.4GHz antenna via a matching network to the chip's RF output pin, ensuring 50-ohm impedance matching and proper grounding to maximize radiated power and receiver sensitivity.

What is the typical procedure for sending a data packet with the NF-05?

First, initialize the SPI and configure the chip (set frequency, data rate, power). Load your payload data into the Ci24R1's TX FIFO buffer via SPI. Then, issue the transmit command. The integrated ARQ engine can automatically handle retries if an acknowledgment is required, otherwise it will simply send the packet and return to idle or sleep mode.