Product Descriptions
NF-03 is a small 2.4G wireless module with onboard antenna, high air speed (up to 2Mbps), SPI interface, and a pure hardware module that integrates transmission and reception; High stability, high cost-effectiveness, good spectrum testing characteristics, small size, using fully industrial grade components.
At present, it has been mass-produced and shipped in millions, and is suitable for various application scenarios.
NF-03 can be widely used in various IoT scenarios, including wireless keyboard and mouse, wireless remote control, motion sensing devices, active RFID, NFC, low-power self-organizing network wireless sensor network nodes, etc. It is an ideal solution for IoT applications.
NF-03 adopts stamp hole packaging, which can be quickly integrated into existing products for both learning and mass production, making it very convenient to use.
Product Features
Stamp hole, ultra small size package, built-in 2.4G antenna, compact size, simple and easy to use
Support six channel data reception
Support universal modulation methods such as GFSK/FSK
Supports data rates of 2Mbps/1Mbps/250Kbps
Multi frequency point: 126 frequency points, meeting the needs of multi-point communication and frequency hopping communication
Internally integrated high PSRR LDO
Wide power supply voltage range: 1.9~3.6V
The average emission current is as low as 110mA
Receiving sensitivity: -96dBm@250kbps
Maximum transmission power:+7dBm
Adopting a four wire SPI interface, the speed can reach 10MHz
Internally integrated intelligent ARO baseband protocol engine
Hardware interrupt output for transmitting and receiving data
Supports 1-bit RSSI output
Product Specifications
| 模组型号 Module model | NF-03 |
| 模组封装 Module packaging | 邮票孔 |
| 尺寸(mm) Size(mm) | 18*12(±0.2)MM |
| 天线形式 Antenna form | 板载PCB天线,增益2dBi Onboard PCB antenna, gain 2dBi |
| 空中速率 air rate | 250k~2Mbps 3级 adjustable(250kbps、1Mbps、2Mbps) |
| 频谱范围 Spectrum range | 2400-2525MHz adjustable,1MHz Stepping |
| 发射功率 Transmission power | 7dBm |
| 接收灵敏度 Receiver sensitivity | -96dBm@250kbps |
| 平均电流 Average current | 发射电流:25mA(7dBm) Emission current: 25mA (7dBm) |
| 接收电流:15mA(2Mbps ) Receiving current: 15mA (2Mbps) | |
| 关断电流 1.0uA(Shutdown模式) Turn off current 1.0uA (Shutdown mode) | |
| 供电范围 Power supply range | 1.9~3.6V, Typical value 3.3V |
| 工作环境 Work environment | -20℃ ~85℃ |
| 存储环境 Storage environment | -20℃~90°C,<90%RH |
| 通讯接口 Communication interface | SPI(最高速率可达10Mbps) SPI (maximum speed up to 10Mbps) |
Product Pin interface


| 序号 Serial Number | 名称 Name | 方向 Direction | 用途 Purpose |
| 1 | VCC | - | 供电电源,必须2.0~3.6V之间 The power supply must be between 2.0 and 3.6V |
| 2 | GND | - | 地线,连接到电源参考地 Ground wire, connected to the power reference ground |
| 3 | CSN | 输入 Input | 模块片选引脚,用于开始一个SPI通信 Module chip selection pin, used to start an SPI communication |
| 4 | CE | 输入 Input | 模块控制引脚 Module control pins |
| 5 | MOSI | 输入 Input | 模块SPI数据输入引脚 Module SPI data input pin |
| 6 | SCK | 输入 Input | 模块SPI总线时钟 Module SPI bus clock |
| 7 | IRQ | 输出 Output | 模块中断信号输出,低电平有效 Module interrupt signal output, low level valid |
| 8 | MISO | 输出 Output | 模块SPI数据输出引脚 Module SPI data output pin |
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