Product Description

2.4G Wireless SPI Mini Module

Product introduction:

  • NF-03 is a 2.4G wireless module with small size, onboard antenna, high air speed (up to 2Mbps), and a pure hardware module with SPI interface. High stability, high cost performance, good spectrum test characteristics, small size, all-industrial components.
  • NF-03 can be widely used in various Internet of Things occasions, such as wireless mouse and keyboard, wireless remote control, somatosensory devices, active RFID, NFC, wireless sensor network nodes in low-power ad hoc networks, etc. It is an ideal solution for Internet of Things applications.
  • NF-03 is packaged with stamp holes, which can be quickly connected to existing products, whether it is learning or mass production, and it is very convenient to use.

Product features:

  • Stamp hole, ultra-small package, built-in 2.4G antenna, small size, easy to use.
  • Support six channels of data reception.
  • Support general modulation methods such as GFSK/FSK
  • Support 2Mbps/1Mbps/250Kbps data rate
  • Multi-frequency point: 126 frequency points, meeting the needs of multi-point communication and frequency hopping communication.
  • LDO with internal high PSRR
  • Wide power supply voltage range: 1.9~3.6V
  • Average emission current is as low as 110mA.
  • Receiving sensitivity: -96dBm@250kbps
  • Maximum transmission power: +7dBm
  • With four-wire SPI interface, the speed can reach 10MHz.
  • Integrated internal intelligent ARQ baseband protocol engine
  • Sending and receiving data hardware interrupt output
  • 1bit RSSI output is supported.
  • Low application cost: SI24R1 integrates all the high-speed signal processing parts related to RF protocol, such as automatic retransmission of lost data packets and automatic generation of response signals. The SPI interface of SI24R1 can be connected by the hardware SPI port of MCU or simulated by the I/O port of MCU. There is a FIFO in it that can interface with various high-speed and low-speed microprocessors, which is convenient to use low-cost MCU.
  • Easy to develop: Because the link layer is fully integrated on the module, it is very easy to develop. Automatic retransmission function, automatic detection and retransmission of lost data packets. The retransmission time and retransmission times can be controlled by software to automatically store the automatic response function of data packets that have not received the response signal. After receiving valid data, the module automatically sends the response signal without programming carrier detection—fixed frequency detection Built-in hardware CRC error detection and point-to-multipoint communication address control data packet transmission error counter and carrier detection function can be used for frequency hopping setting. Six receiving channel addresses can be set at the same time, and the 1.27mm spacing of receiving channel stamp holes can be selectively opened, which is convenient for embedded application.

Product parameter:

  • Model number: NF-03
  • Package: stamp hole
  • Size: 18*12mm
  • Communication interface: SPI (up to 10Mbps)
  • Air speed: 250K ~ 2Mbps (Level3 adjustable 250kbps, 1Mbps, 2 Mbps)
  • Spectrum range: 2400MHz~2525MHz adjustable, 1MHz step
  • Antenna form: onboard PCB antenna, gain 2dBi
  • Transmission power: 7dBm
  • Receiving sensitivity: -96dBm@250kbps
  • Average current:

Emission current 25mA(7dBm)

The receiving current is 15mA(2Mbps)

Turn-off current 1.0uA(Shutdown mode)

  • Power supply range: 1.9~3.6V, typical value 3.3V.
  • Working temperature: -20℃ ~ 85℃
  • Storage: -20℃ ~ 90℃, < 90%RH

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