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2.4G wireless communication module-SI24R1

Overview

Features

Working voltage: 1.9V～3.6V
IO port voltage: compatible with 3.3V/5V
Working frequency band: 2.4GHz ISM band
Control method: four-wire SPI (<=10MHz)
Data rate: 2Mbps/1Mbps/250Kbps
Receiving sensitivity: <-83dBm @2MHz
Maximum transmit power: 7dBm

product description

This module uses the SI24R1 chip as the core and cooperates with the onboard antenna to achieve the transmission and reception of 2.4G radio frequency signals. The two modules are used together to achieve medium and long-distance wireless communication.

Pin function table

label	describe
GND、VDD	Module power supply: 3.3V
THIS	Chip on signal activates RX or TX mode
CSN	SPI chip select signal
SCK	SPI clock signal
SMOKE	SPI data line: host output, slave input
MISO	SPI data line: host input, slave output
IRQ	Maskable interrupt signal (active low)

Design Files

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Update:2024-11-22 12:42:40

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