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3km LoRa, FLRC and GFSK modulations sx1280 lora module uart wireless transmitter receiver module 2.4ghz wireless remote module

2-99 Pieces
100-499 Pieces
500-4999 Pieces
>=5000 Pieces
Min. Order
2 Pieces
Note: Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
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Company Information

Chengdu Coogex Electronic Technology Co., Ltd.

CN Trading Company
Response Time
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US$ 20,000+
2 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Keywords: Lora Transmitter Receiver Module
Chipset: sx1280 lora
Place of Origin: Sichuan China
Air data rate: 1k ~ 2M
Size: 17.5* 28.7
Model Number: E28-2G4T12S
Transmitting power: 12.5dBm
Product advantages: LoRa spread spectrum
Brand Name: Cojxu
Test distance: 3km
Product name: 2.4g rf wireless transceiver lora module
Working frequency: 2.4G
Package: SMD
Application: wireless IOT
Communication interface: UART
Packaging Detail: High quality shockproof carton
Selling Units: Single item
Single package size: 1.8X2.9X0.5 cm
Single gross weight: 0.005 KG

E28-2G4T12S_01.jpgNote: the ranging function needs to be customized

Product Description

3km LoRa, FLRC and GFSK modulations sx1280 lora module uart wireless transmitter receiver module 2.4ghz wireless remote module

RF ParameterValue
Working frequency
2400~2500 MHz

ISM band

Transmitting power12.5 dBm


Receiving sensitivity-132 dBm

Air data rate: 1.0kbps






Test distance3000m

Test condition:clear and open area, antenna gain: 5dBi,

antenna height: 2.5m,air data rate: 1kbps

Hardware ParameterValue
17.5 * 28.7 mm


Antenna typeIPEX / PCB

50Ω Impedance 

Communication interfaceUART





Electronic parameterMin.Typ.Max.UnitCondition
Power supply≥5.0V ensures output power
Communication level-3.3-VFor 5V TTL, it may be at risk of burning down
Transmitting current


46-mAInstant power consumption
Receiving current-
Sleep current-8-μASoftware is shut down
Operating temperature-4020
Operating humidity1060
Storage temperature-4020
Manual support


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Packaging & Shipping

1. Delivery will be arranged by DHL/UPS/Fedex/TNT/EMS,normally it will take 3-7 working days to arrive in most countries.

2.We can also help you ship  the goods by air line,then you need to go to Air port totake it ,it takes about 2-7 days to arrive ;

3.If goods are large quantity and you not need the goods so urgently ,you can choose by sea to save some freight cost which takes about one month to arrive.

4.We can accept the payment method such as Paypal/Credit card/ L/C and T/T


Company Information

Cojxu is a high-tech company focused on IoT solutions,specializes in the developing and manufacturing wireless products such as Industrial DTU,UART Module,SPI Modul,Data Radio,PKE Module,Development Kits(Antenna,Multi-functional Adapter,Downloader and CC Debugger etc)

Our company owns a number of independent research&development products and obtain unanimously approved customers.with powerful R&D team and marketing team.

Cojxu always provide customers with perfect After-sales service and technical assistance.2.jpg 



Our Services



Q1: Are you a manufacturer or a trading company?

A1: We are a manufacturer. 

Q2: Can you do ODM or OEM for us?

A2: We are glad to offer custom service for you, we have an experienced engineers team who will provide you with a complete solution according to your requirements. 

Q3: What about the delivery time?

A3: For regular order it takes about 3-6 days for production, for mass order or customized order it may need 15-30 days. 

Q4: What is your delivery terms and payment terms?

A4: We accept EXW, FOB, CFR, CIF, etc. You can choose the one which is the most convenient or cost effective for you. 100% in advance for sample order, 50% deposit and 50% balance for mass order. 

Q5: After service and warranty?

A5: We provide 1 year warranty, if you have any problems in the use of products, please contact to your sales person. 

Q6. How can we know the product quality?

A6: We suggest you to order a sample. Also, you can send us email for detail photos for checking if you cannot get enough information in the product page. 

Q7. How can we get samples from you ?

A7.Samples are available. Normally we take 2 days to arrange samples. If we have no business record with you before, we need to charge boot samples cost and post courier freight. 

Q8.Can your module be connected with Arduino board? Can you provide Sample code?

A8: We don’t know the model of your Arduino, so we don’t sure if our module can be connected with it. Please be sure of the power supply when you connect your Arduino board with our module, 3.3V is ok. But for 5V, you need to add 4-10k pull-up resistor for the TXD&AUX pin.    Sorry we don’t have the sample code to offer. 

Q9.Can your module be connected with Raspberry Pi?

A9: Yes, our module can be connected with Raspberry Pi.