Ebyte E01C-2G4M11S small size wireless module rf transmitter receiver module 2.4GHz wireless module - IOT Module Shop Manufacturer Factory – Ebyte Official Store - IoT Module Manufacturer
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Ebyte E01C-2G4M11S small size wireless module rf transmitter receiver module 2.4GHz wireless module

$0.99 $0.69

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The Ebyte E01C-2G4M11S is a high-precision, industrial-grade 2.4GHz SMD wireless module based on the Ci24R1 chipset, featuring a 19x12mm ultra-small form factor, SPI communication interface, 11dBm transmit power, and a reference... Read more

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SKU: E01C-2G4M11SN/ATags: 11dBm, 2.4GHz, SPI

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We have sufficient goods in stock. We will send out goods within 1 to 2 working days after payment. We use China Post Air Mail as our regular shipping method. It normally takes 7 to 15 working days to arrive. Free shipping applies to orders over $89.99, excluding fiberglass antennas and power supplies. More Shipping Policies

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After shipment, you will receive an email with the tracking number, such as LZ4177733XXCN. Check logistics status here: https://www.17track.net/en

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You can mix different sample types. Each order can buy maximum 2 pieces. Buy $0.1 Sample

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You can download related documents directly on each product page. More materials:https://www.cdebyte.com/Product-Selection

How about product performance?

All EBYTE products support return and exchange within 30 days. Our items work steadily and you do not need to worry about after-sales problems.

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Our goods have passed CE, FCC and RoHS certifications. You can download certification files on product pages directly, fully meeting compliance requirements.

What is the price for bulk purchase?

You can place bulk orders directly online. Large orders of 50, 200, 500, 1000 pieces and above enjoy factory discounted prices. Shipping cost can be checked on the page. Delivery takes 7 to 15 working days.

Why check firmware version before bulk order?

If you buy products in large quantity, please confirm the firmware version of bulk goods is the same as your test sample. This ensures normal operation of your project.
If you cannot confirm the version number, contact online customer service or send emails to ebyteiot@cdebyte.com for confirmation.

Can I apply for an invoice?

Send your request to ebyteiot@cdebyte.com and mark your order number like #3188, we will make the invoice for you quickly.

What if I bought the wrong product model?

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  2. If your order has already been shipped, please contact us within 30 days to apply for return or refund. More Returns & Refunds Policies

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We will refund you immediately after receiving the goods, or arrange redelivery twice.

How to solve other technical problems?

Contact online support staff or send emails to ebyteiot@cdebyte.com. Our professional engineers will help you fix all technical issues.

How to contact us?

Email: ebyteiot@cdebyte.com.

Phone: +86-028-61543675

Fax: 0086-028-64146160

Auto-download documents via Ebyte official website link:

The Ebyte E01C-2G4M11S is a high-precision, industrial-grade 2.4GHz SMD wireless module based on the Ci24R1 chipset, featuring a 19x12mm ultra-small form factor, SPI communication interface, 11dBm transmit power, and a reference transmission distance of 120 meters, optimized for compact IoT sensor nodes and reliable short-range data acquisition.
Parameter Specification
Chip Solution Ci24R1
Frequency Band 2.4 to 2.525 GHz
Interface SPI
Transmit Power 11 dBm
Reference Distance 120 meters
Size 19 x 12 mm

 

Cost-effective 2.4G RF module


E01 series product compatible model information table
Domestic chip CI24R1 solution
Provide source code

Compatible products

Hardware Features

Reference Circuit Diagram

Spectrogram

Application

 

Practical Application Scenarios

1. Ultra-Compact Wireless Sensor Nodes

The E01C-2G4M11S is perfectly suited for space-constrained IoT applications such as smart wearable health monitors and compact environmental sensing tags. Its 19x12mm footprint allows design engineers to maximize board density while maintaining robust, high-precision connectivity for short-range data transmission within smart homes or offices.

2. Intelligent Industrial Peripheral Control

In automated production lines, this module can be integrated into handheld calibration tools or small motor controllers. By providing a stable SPI interface and 16MHz high-precision crystal, it ensures reliable, low-latency command execution for point-to-point wireless control, effectively replacing complex wired cabling in modular robotic assemblies.

3. Smart Lighting and Building Automation

OEM manufacturers utilize this module to implement wireless control in smart lighting switches and HVAC control peripherals. Its 11dBm output power provides sufficient signal strength for reliable communication through walls and furniture in indoor building environments, facilitating seamless integration with existing central smart home hubs.


FAQ Section

1. Does this module require an external antenna or does it use the PCB antenna?

The E01C-2G4M11S is designed with an onboard PCB antenna, which provides a compact and low-cost integration path for mass-produced consumer electronics. The IPEX interface is also available as an option for applications that require higher gain or directional antenna placement to overcome challenging physical installation constraints.

2. How does the industrial-grade 16MHz crystal affect performance?

The use of an industrial-grade, high-precision 16MHz crystal ensures superior frequency stability across wider operating temperature ranges compared to standard consumer-grade components. This stability is critical for preventing packet loss and frequency drift, especially in industrial environments subject to thermal fluctuations.

3. Is the Ci24R1 core suitable for multi-node network topologies?

Yes, the Ci24R1 supports various network configurations including point-to-point and point-to-multipoint topologies. Developers can implement custom protocols via the SPI interface to manage data flow effectively in multi-node sensor networks, making it highly adaptable for diverse embedded software architectures.

Disclaimer:This product is strictly prohibited for use in military applications and scenarios related to life safety. The user shall be fully liable for any unauthorized use.

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Ebyte E01C-2G4M11S small size wireless module rf transmitter receiver module 2.4GHz wireless module

$0.99 $0.69