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SPI Module

Ebyte SPI RF Module Selection Guide

Ebyte SPI RF modules are embedded wireless transceivers designed for IoT and industrial control systems, based on the Serial Peripheral Interface (SPI) protocol. They connect directly to the host MCU via the SPI bus for full-duplex high-speed data transmission, and integrate RF chip, matching circuit, antenna interface and power management unit on board.

Compared with UART modules, SPI RF modules offer lower latency, higher throughput and simpler hardware architecture. The product portfolio covers 2.4GHz ISM band and Sub-1GHz license-free bands, supporting LoRa, (G)FSK, OOK and proprietary modulation schemes. They are ideal for sensor networks, smart metering, industrial control and gateway designs.

How to Select SPI Module?

Screening Dimension Recommended Product Series
Transmission Distance • Ultra-long range (>10km): E28 Series, E29/E290 Series
• Long range (3–10km): E22/E32/E220 Series, E106 Series
• Medium range (1–5km): E01/E01C Series, E30 Series, E48/E49 Series
• Short range (<2km): E07 Series
Frequency Band • 2.4GHz global ISM band: E01/E01C Series, E28 Series
• Sub-1GHz (long range & strong penetration): E07, E22/E32/E220, E29/E290, E30, E48/E49, E106 Series
Modulation & Protocol • LoRa spread spectrum: E22/E32/E220 Series, E28 Series, E106 Series
• (G)FSK / OOK: E01/E01C Series, E07 Series, E30 Series, E48/E49 Series
• Proprietary high-speed RF: E29/E290 Series
Application Type • Compact sensor end-node: E01 Series, E07 Series, E48 Series
• Long-range LoRa end device: E22 Series, E28 Series, E29 Series
• LoRaWAN gateway design: E106 Series
• High-speed industrial data link: E28 Series, E30 Series
Supply Chain Requirement • Global certification & mature ecosystem: E07 (TI), E22/E28/E106 (Semtech)
• Domestic chip & cost optimization: E29 (PANCHIP), E48/E49 (Chipanalog)

Full Series Parameter Comparison Table

Product Series Chipset Frequency Band TX Power Max LOS Range Interface Key Features
E01 / E01C Series nRF24L01P / 24R1 / C241 2.4 GHz ISM 0 – 27 dBm 0.1 – 5 km SPI High cost-performance, classic 2.4G transceiver, rich register configuration
E07 Series TI CC1101 387 – 925 MHz Sub-1GHz 10 – 20 dBm 1 – 2 km SPI 64-byte FIFO, RSSI & LQI support, CE/FCC/RoHS certified
E22 / E32 / E220 Series Semtech SX1262/1268/1278, LLCC68 160 – 930 MHz Sub-1GHz 20 – 33 dBm 3 – 8 km SPI LoRa + GFSK + FLRC, industrial grade, high reliability
E28 Series Semtech SX1281 2.4 GHz ISM 12 / 20 / 27 dBm 5 – 16 km SPI 2.4GHz LoRa, long range, low latency, high throughput
E29 / E290 Series PAN3029 / PAN3031 / PAN3060 410 – 510 MHz 20 – 30 dBm 5 – 16 km SPI Domestic chip, frequency hopping, auto error correction, strong anti-interference
E30 Series Silicon Labs SI4438 / SI4463 425 – 925 MHz 20 – 30 dBm 2.5 – 5.6 km SPI Flexible packet structure, wake-on-radio, wide operating voltage
E48 / E49 Series CT230A / CT2310A 410–510MHz / 850–930MHz 20 – 30 dBm 2.5 – 5.5 km SPI Domestic industrial-grade, high cost-performance, compact package
E106 Series Semtech SX1302 433/470/868/915 MHz 27 dBm 5 km SPI LoRaWAN gateway baseband, 8-channel parallel reception, high sensitivity

* Max LOS range is measured in open environment with matched antenna. Actual performance varies with obstacles, interference and antenna gain.

5-Point Quick Selection Guide

  1. Choose frequency band by deployment scenario. Select 2.4GHz series (E01, E28) for global market compatibility and higher data rate; select Sub-1GHz series for outdoor long-range deployment, wall penetration and industrial interference environments.
  2. Select modulation by communication requirement. Choose LoRa spread spectrum series (E22, E28, E106) for long-distance and high anti-interference links; choose FSK/GFSK series (E01, E07, E30) for applications requiring higher data throughput.
  3. Match output power to your link budget. Use E28 or E29 series (up to 16km) for ultra-long-range wireless links; use E22/E32 series (3–8km) for standard industrial LoRa nodes; use E01/E07 series for short-range on-board integration.
  4. Evaluate supply chain and cost target. Choose Semtech/TI chip based series (E07, E22, E28, E106) for mature software ecosystem and global certification; choose domestic chip solutions (E29, E48) for cost-sensitive projects and secure supply.
  5. Optimize for hardware integration effort. All SPI modules use standard SPI interface for direct connection to host MCUs. Select the series with matching package size, power consumption and peripheral features according to your PCB layout and firmware architecture.
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Frequently Asked Questions

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We are a manufacturer with sufficient stock. We will ship immediately after payment. We use China Post Air Freight and the goods will arrive within 5-7 working days at the fastest. We provide the full set of certification certificates you need to help you complete customs clearance quickly.

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If you need an invoice, please contact us by sending an email to: ebyteiot@cdebyte.com. Include your order number so that we can quickly send you an invoice.

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Our contact information is as follows:

  • Tel: +86-028-61543675
  • Fax: 0086-028-64146160
  • Email: ebyteiot@cdebyte.com
  • Address: Buildings B2 and B5, No. 199, West District Avenue, High-tech West District, Chengdu, Sichuan Province.
What is the product performance?

ebyte’s wireless module provides a 365-day worry-free warranty, and high-quality product performance does not require worrying about after-sales problems.

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Our products have passed the CE, FCC, and RoHS certifications and have certificates. Don’t worry about product certification issues.

What is the factory wholesale price?

Please place an order directly for small quantities. We provide factory base prices for quantities of 20, 200, 500, 1000, etc. Please contact online customer service. Including delivery time and shipping costs.

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EBYTE product technical manual and detailed parameters download:https://www.cdebyte.com/Product-Selection

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