LoRa 868MHz 915MHz LLCC68 Wireless Module 22dBm Long Range 5km CDEBYTE E220-900T22D SMA-K UART RSSI Transmitter Receiver DIP

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LoRa 868MHz 915MHz LLCC68 Wireless Module 22dBm Long Range 5km CDEBYTE E220-900T22D SMA-K UART RSSI Transmitter Receiver DIP

Now the product version is E220-900T22D-V1.X

Independent R&D based on imported SEMTECH chips

Cost-effective LoRa wireless UART module

*Communication key

*RSSI environmental monitoring

*Power failure protection

*Power multi-level adjustable

Working Frequency band:850.125~930.125MHZ

Transmitting Power:22dBm

Use original imported chips


The E220 series is based on the original imported SEMTECH chip solution and professional R&D.

Compared with the SX1278/SX1276 solution ,

the transmission distance is longer,the speed is faster ,and the power consumption is lower.

Use new LoRa spread spectrum technology

LoRa spread spectrum technology characteristics:anti-interference,

longer transmission distance,guarantee communication stability.

Global license- free ISM band 868/915MHZ

A wide frequency range to meet the needs of multiple applications

Good for ultiple transmission methods

Fixed-point transmission,broadcast transmission,

channel monitoring communication methods according to needs are available.

WOR,effectively achieve low power consumption

Greatly reduce the power consumption of the receiving end suitable for battery-powerd applications.

RSSI signal strength indicator function

Good for various operation such as evaluating signal quality improving communication networks,and ranging.

E220 is equipped with efficient watchdog protection

Once an exception occurs,

the module will automatically restart and continue to work according to the current parameter.

Smaller size for easier integration

The E220 series adopts a highly integrated circuit design,

coupled with a reasonable PCB layout to greatly reduce product volume.

Hardware Features

Equipped with high-quality components to ensure that each product has a better performance.

*Original imported chip solution


*Dual antennas are optional

IPEX/stamp hole

*Impedance matching


*Professional RF shileding

Anti static interference

Pin Definition

Application Scenario

Wisdom wireless meter reading solutions

*Automatic monitoring and collection,reducing labor costs

*Wireless transmission,no writing required,simple installation

*LoRa spread spectrum ,strong anti-interference ability,stable transmission in complex environment

Smart building application case

*Real-time monitoring of equipment information for easy management

*Strong anti-interference ability,stable operation in harsh environment


8 years of experience in R&D and manufacturing of wireless IoT products

and obtained more than 10 invention patents.

Export Capacity

20+ export regions cover nearly one hundred countries,with an annual export value exceeding 20 million.



Shipping & Payment


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-20 Business days
Canada, Europe 10-20 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of TechOiO (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of techoio.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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