NRF24L01-REEL7 2.4GHz Single-Chip Wireless Transceiver GFSK Modulation SPI Interface QFN-20

NRF24L01-REEL7 Product Overview

The NRF24L01-REEL7 is an ultra-low power, high-performance 2.4GHz single-chip wireless transceiver from Nordic Semiconductor, part of the nRF24L01+ series (nRF24L01P is the product code for this series). It operates in the 2.400GHz ~ 2.525GHz global ISM band with GFSK modulation and communicates via an SPI interface. Housed in a compact QFN-20 (4×4mm) package, it integrates Enhanced ShockBurst™ hardware protocol accelerator, auto-acknowledgment and retransmission, CRC check, and RSSI. The NRF24L01-REEL7 supports 250kbps, 1Mbps and 2Mbps on-air data rates, with transmit power up to 0dBm and receiver sensitivity of -82dBm to -85dBm. It is on-air compatible with nRF2401A, nRF2402, nRF24E1, and nRF24E2. It is widely used in wireless PC peripherals, game controllers, sports watches and sensors, RF remote controls, home and commercial automation, ultra-low power sensor networks, active RFID, asset tracking systems, and toys.

NRF24L01-REEL7 Key Features

High-Performance 2.4GHz Transceiver: Operates in the 2.4GHz ~ 2.525GHz ISM band with GFSK modulation. Integrates frequency generator, Enhanced ShockBurst™ controller, PA, crystal oscillator, modulator, and demodulator. On-chip voltage regulator with 1.9V ~ 3.6V operating voltage and 5V tolerant inputs.

Flexible On-Air Data Rates: Supports 250kbps, 1Mbps, and 2Mbps programmable data rates.

Ultra-Low Power Consumption: Only 11.3mA TX current (at 0dBm) and 12.3mA RX current (at 2Mbps). 900nA in power-down mode and 22μA in standby-I mode.

Enhanced ShockBurst™ Hardware Accelerator: Built-in Enhanced ShockBurst™ with auto-acknowledgment and auto-retransmission. 6 data pipes with MultiCeiver support. Built-in CRC check.

Compact QFN-20 Package with Tape & Reel: QFN-20 (4×4mm) package. -REEL7 suffix indicates 7-inch Tape & Reel packaging with 1,500 pieces per reel, suitable for high-volume automated SMT assembly. Operating temperature range -40℃ ~ +85℃, MSL rating 3 (168 hours) .

NRF24L01-REEL7 Applications

The NRF24L01-REEL7 is widely used in:

• Wireless PC Peripherals: Mice, keyboards, remote controls, 3-in-1 desktop kits

• Game Controllers: Wireless gamepads

• Consumer Remote Controls: RF remote controls, media center remotes

• Wearables: Sports watches, sensors

• IoT & Sensor Networks: Ultra-low power sensor networks, active RFID, asset tracking

• Home & Commercial Automation: Smart home, building automation

• Audio Devices: VoIP headsets

• Toys: Wireless remote control toys

NRF24L01-REEL7 Advantages

Single-Chip Solution: Complete 2.4GHz transceiver integrated on a single chip, requiring only a ±60ppm 16MHz crystal, matching circuit, and antenna.

Ultra-Low Power: 11.3mA TX, 12.3mA RX, 900nA power-down – battery life of months to years.

Flexible Data Rates: 250kbps, 1Mbps, and 2Mbps options.

Enhanced ShockBurst™: Hardware protocol accelerator simplifies software development.

6 Data Pipes with MultiCeiver: Supports simultaneous reception from 6 different channels.

On-Air Compatible with Previous Generations: On-air compatible with nRF2401A, nRF2402, nRF24E1, and nRF24E2.

5V Tolerant Inputs: Direct interface with 5V microcontrollers.

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FAQs

1 What is the NRF24L01-REEL7
It is a single-chip 2.4GHz RF transceiver from Nordic in a QFN-20 package, shipped in tape and reel format suitable for automated SMT production.

2 What are the operating frequency and data rate
The frequency range is 2.4GHz to 2.525GHz, with a maximum air data rate of 2Mbps.

3 What package and dimensions does it use
It uses a QFN-20 package measuring 4x4mm with an exposed thermal pad.

4 What are the operating voltage and temperature ranges
The supply voltage is 1.9V to 3.6V, and the operating temperature range is -40°C to +85°C.

5 What are the sensitivity and output power
The receive sensitivity is -82dBm to -85dBm, and the output power is 0dBm.

6 What hardware protocol features are supported
It features an Enhanced ShockBurst hardware protocol engine with auto acknowledgment, auto retransmission, CRC checking, and power-on reset.

7 How is the power consumption
TX current is 11.3mA at 0dBm, RX current is 12.3mA at 2Mbps, power-down current is 900nA, and standby-I current is 22μA.

8 What is the communication interface with the host MCU
It communicates via a standard 4-wire SPI interface, with a CE pin for mode control and an IRQ pin for interrupt triggering.

9 How many data pipes are supported
It supports 6 data pipes with MultiCeiver functionality for multi-device communication.

10 What are the main application scenarios
It is widely used in wireless mice and keyboards, game controllers, media center remotes, sports watches and sensors, ultra-low power sensor networks, and active RFID asset tracking systems.