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- SKU: 06370
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Ebyte E27-433M20S SI4432 433MHz 20dBm 1.6Km SPI Wireless Transceiver Module
E27-4333M20S is a 100mW wireless transceiver module, operates at 433MHz,with small-size(1.27 Pin pitch). E27-4333M20S is based on the original imported RF chip Si4432 from Silicon Labs. With diversified built-in antenna and excellent anti-interface performance, the chip supports frequency hopping.
Features
- Communication distance tested is up to 1600m
- Maximum transmission power of 100mW, software multi-level adjustable
- ISM frequency band 433MHz
- Support air date rate of 0.123-256kbps
- Temperature sensor and 8-bit ADC
- Support 1.8V~3.6V power supply, power supply over 3.3V can guarantee the best performance
- Industrial grade standard design, support -40 ~ +85 °C for working over a long time
- Stamp hole, which is convenient for development
- RSSI reading is available
Specifications
- IC: SI4432
- Frequency: 425~525MHz
- Power: 20dBm
- Distance: 1.6km
- Communication Interface: SPI
- Antenna type: Stamp hole
- Operating temperature: -40 to +85℃
- Operating humidity: 10 to 90%
- Storage temperature: -40 to +125℃
- Dimensions: 16 * 16 mm
- Package: SMD
Applications
- Home security alarm and remote keyless entry
- Smart home and industrial sensors, etc.
- wireless alarm security system
- Building automation solutions
- Wireless industrial-grade remote control
- Advanced Meter Reading Architecture (AMI)
- Applications in the automotive industry.

Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)




