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Mini SI4432 Wireless Transceiver Module, 240MHz-930MHz Long Range RF Communication Module with Spring Antenna, 1000M Transmission Distance for Arduino IoT Remote Control
- Built-in Silicon Labs SI4432 chip, frequency range 240MHz-930MHz; max +20dBm output power, up to 1000m transmission distance in open area.
- High Sensitivity & Stable Signal
- Receive sensitivity up to -121dBm; supports FSK/GFSK/OOK modulation; strong penetration, works through multiple floors.
- Ultra-Low Power & Wide Voltage
- 1.8V-3.6V DC power supply; low power consumption (18.5mA RX, 85mA TX); ultra-low shutdown mode for battery devices.
- Mini Size & Easy Integration
- Compact 16.5×17mm PCB; SPI interface; comes with spring antenna and pin headers, plug-and-play for Arduino/Raspberry Pi.
- Versatile for IoT Projects
- Ideal for remote control, smart home, industrial monitoring, wireless sensor nodes, and DIY electronics requiring long-range RF communication.
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Overview
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Mini SI4432 Wireless Transceiver Module is a high-performance long-range RF communication board based on the Silicon Labs SI4432 chip, supporting a wide frequency range of 240MHz to 930MHz (ISM bands like 433MHz/868MHz/915MHz available). With a maximum output power of +20dBm and high receiving sensitivity of -121dBm, it delivers stable transmission up to 1000 meters in open, obstacle-free environments.
Designed for low-power applications, the module operates on 1.8V-3.6V DC, featuring ultra-low active and shutdown currents to extend battery life for IoT and portable devices. It supports FSK, GFSK, and OOK modulation schemes, with data rates from 0.123kbps to 256kbps, adapting to various data transmission needs.
The compact 16.5×17mm module uses a standard SPI interface for easy MCU communication, and includes a spring antenna for immediate use. Its perfect for remote controls, wireless meters, smart home automation, industrial monitoring, agricultural sensors, and other long-range wireless projects.
Specifications:
- Chip: Silicon Labs SI4432
- Frequency Range: 240MHz-930MHz
- Max Output Power: +20dBm
- Receive Sensitivity: -121dBm
- Transmission Distance: 1000m (open area)
- Modulation: FSK, GFSK, OOK
- Data Rate: 0.123-256kbps
- Power Supply: 1.8V-3.6V DC
- Interface: SPI
- Size: 16.5mm × 17mm
- Antenna: Spring Antenna
- Operating Temperature: -40°C ~ +85°C
- Chip Model: SI4432
- Frequency: 240MHz-930MHz, 433MHz, 868MHz, 915MHz
- Range: 1000M, Long Range
- Interface: SPI
- Voltage: 1.8V-3.6V
- Application: Arduino, IoT, Remote Control, Industrial Monitoring
- Features: Low Power, High Sensitivity, RF Transceiver
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Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by TechCore Supply Return Policy
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