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- Stock: 12 in Stock
- SKU: 06262
- Delivery Time
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Ebyte E49-900M20S CMT2300A 868~915MHz 20dBm 3km Wireless Data Transmission Module
E49-900M20S is a cost-effective wireless data transmission module launched by Chengdu Ebyte. It is A pure hardware module based on CMT2300A.E49-900M20S Supports the maximum transmission power of 20dBm, users can set a lower output power, thus saving power consumption. The module works in the 850MHz ~ 930MHz frequency band, including the commonly used 868MHz and 915MHz frequency band. Since this module is a pure RF transceiver module, using SPI interface, needs MCU driver.
Features
- The measured communication distance can reach 2.5km
- Maximum transmission power of 20dBm,software multi-level adjustable
- Supports ISM 868MHz/915MHz band
- Supports 0.5Kbps~300Kbps transmission rate
- Supports low power mode, suitable for battery
- Supports GFSK modulation mode, OOK & (G)MSK
- Supports 2.6V~3.6V power supply
- Industrial grade standard design, support -40 ~ 85 °C for working over a long time
- IPEX and stamp hole optional, good for secondary development and integration
Specifications
- IC: CMT2300A
- Frequency: 850~930MHz
- Power: 20dBm
- Distance: 3km
- Size: 20*14mm
- Package: SMD
- Communication Interface: SPI
- Operating temperature: -40 to 85℃
Applications
- Smart home and industrial sensors
- Security, positioning system
- Wireless remote control, UAV
- Wireless game remote control
- Healthcare products;
- Wireless voice, wireless headset
- Car 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)














