Mini SI4432 Wireless Transceiver Communication Module, 240MHz-930MHz Wide Frequency Range Wireless RF Module with Spring Antenna, 1000M Long Transmission Distance for Smart Control DIY Project

This Mini SI4432 Wireless Transceiver Module is a high-performance RF wireless communication module designed for long-distance and stable data transmission. Equipped with a dedicated spring antenna, it supports a wide frequency range of 240MHz to 930MHz, providing flexible frequency configuration to meet different wireless communication needs.

With an ultra-long transmission distance of up to 1000 meters in an open environment, the SI4432 module delivers excellent signal sensitivity and strong anti-interference performance, ensuring stable and lossless data transmission even in complex environmental conditions. It adopts mature RF chip solution, with low power consumption and high working efficiency, perfectly adapting to long-term continuous operation of smart devices.

Featuring mini lightweight size and simple pin definition, the module is easy to wire and install, no complicated debugging required. It is widely compatible with Arduino, STM32, ESP32, single-chip microcontrollers and other mainstream development boards. Ideal for wireless remote control, smart home devices, wireless data acquisition, industrial communication, drone control and various electronic DIY projects.

Applicable Compatible Brands & Main Controller

Fully compatible with mainstream single-chip microcontrollers and development boards, including Arduino, Raspberry Pi, STM32, ESP32, ESP8266, 51 MCU, AVR, PIC, Nodemcu. Suitable for all kinds of DIY wireless communication, remote control and smart device development projects.

Frequency range: 410-440M (optimal antenna matching range)

Sensitivity: up to -120~-121dBm (1.2Kbps)

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Wireless transmission high output power: 20dBm (1.2Kbps, 433M)

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Data transmission rate: 0.123-256kbps

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Modulation modes: FSK, GFSK, and OOK

Power supply: 1.8-3.6V

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7. Ultra low power consumption is 10nA (4.21ms) in power down mode, 300nA in standby mode, and 600nA (1.21ms) in sleep mode; Receive current

18.5mA High emission current of 80mA (200us).

8. Digital Received Signal Strength Indicator (RSSI)

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Timer wake-up function, wireless wake-up function (WUT)

Automatic antenna matching and bidirectional switch control

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Configurable packet structure

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Front synchronization signal detection

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64 byte transmit receive data register (FIFO)

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Integrated low battery level detection within the chip

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On chip temperature sensor and 8-bit analog-to-digital converter

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Working temperature range: -40~+80 ° C (temperature characteristics and product consistency are much better!)! )

voltage regulator

Frequency hopping function

Power on reset function

Built in crystal error adjustment function

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21. The chip automatically calculates and verifies CRC-16, and supports three types of 16 bit CRC polynomials