SI4432 433 MHz Wireless UART Module, up to 1 km Outdoor
Prices updated: 13 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 Circuits Electronics | Wireless Module Serial UART ( SI4432 433MHz RF 1000m outdoor) | 475 EGP | View in store |
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Lowest price recorded: 475 EGP
About this product
A 433 MHz wireless serial module built around the Silicon Labs Si4432 transceiver, with a TTL UART interface and built-in preprogrammed firmware. It is intended for remote control, smart home, lighting and industrial sensor data links, with a listed range of up to 1 km outdoors.
Specifications
- Transceiver chip
- Si4432 (Silicon Labs)
- Frequency
- 433 MHz
- Interface
- TTL UART
- Supply voltage
- 1.8 V to 3.6 V DC
- Range
- Up to 1 km outdoors
Frequently asked questions
What is the price of SI4432 433 MHz Wireless UART Module, up to 1 km Outdoor in Egypt?
SI4432 433 MHz Wireless UART Module, up to 1 km Outdoor currently costs 475 EGP in Egypt.
Where can I buy SI4432 433 MHz Wireless UART Module, up to 1 km Outdoor in Egypt?
SI4432 433 MHz Wireless UART Module, up to 1 km Outdoor is available from Circuits Electronics. Compare the offers above to find the best price.
How do I connect it to an Arduino or ESP32?
Connect module TX to the controller RX, module RX to the controller TX, and share the ground. Power the module within 1.8 V to 3.6 V and never exceed 3.6 V. When the controller runs at 5 V, use a level shifter or voltage divider on the module's RX line.
What do two modules need to communicate?
Both modules must use the same frequency and compatible serial settings. The 1 km figure is a listed outdoor maximum, and real range depends on antenna, obstacles and environment.
