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UART Module

Ebyte UART Wireless RF Module Selection Guide

Ebyte UART (TTL) wireless RF modules integrate a high-speed MCU and high-performance RF chip, providing standard UART interface with transparent data transmission. Engineers can realize wireless communication between modules and host MCUs without mastering complex RF protocol stacks, greatly reducing development difficulty and shortening R&D cycles.

All series support functions such as fixed-point transmission, broadcast transmission, forward error correction (FEC), watchdog, deep sleep, air wake-up, parameter saving and variable packet length. They are widely used in industrial IoT, smart home, security monitoring, agricultural sensing and consumer electronics fields.

How to Select UART Module?

Screening Dimension Corresponding Product Series & Recommendations
Transmission Distance • Short range (<1km): E33, E35, EWM35T, E49
• Medium range (1-5km): E30, E30T, E34, E48, E70, E62, E330, EWM521
• Long range (5-10km): E22, E290, EWM293, E50, E610 (Mesh multi-hop)
Carrier Frequency Band • 2.4GHz (global license-free): E34, E35, EWM35T, EWM521
• Sub-1GHz (433/470/868/915MHz): E30, E33, E30T, E48, E49, E70, E220, E22, E50, E610, EWM293, E62, E330, E290
Modulation Technology • FSK/GFSK (high rate): E30, E33, E30T, E34, E35, EWM35T, E49, E70, E220, EWM521, E62, E330
• LoRa spread spectrum (ultra-long range, strong anti-interference): E22, E290, EWM293, E50, E610
• DSSS: E48
Networking Function • Point-to-point transparent transmission: Most basic series
• Star networking: E48 series
• Mesh self-organizing network: E610 series
Power Consumption Requirement • Battery-powered ultra-low power: E33, E330, E35 series
• Wired power supply / high power: E22, E290, EWM293 high-power series

Full Series Parameter Comparison Table

Product Series Chipset Frequency Band TX Power Max LOS Range Modulation Key Features
E30 Series SI4438 / SI4463 148 – 880 MHz 10 – 20 dBm 2 km GFSK / FSK Air wake-up, FEC, watchdog, flexible frequency
E33 Series SX1212 425 – 440 MHz 13 dBm 800 m FSK Ultra-low power, high sensitivity, small package
E30T Series — 425 – 450.5 MHz 20 dBm 3.5 km GFSK Long range, strong anti-interference, industrial grade
E34 Series nRF24L01+ 2.4 GHz ISM 10 – 27 dBm 2 – 5 km GFSK Global free band, high data rate, multi power levels
E35 Series TLSR8208 2.4 GHz 10 dBm 450 – 540 m GFSK Cost-effective, low power, compact size
EWM35T Series — 2.4 GHz 6 dBm 230 m GFSK Ultra-small size, wide temp range -40~+85℃
E48 Series — 433 / 915 MHz 14 – 30 dBm 2.5 – 6.5 km DSSS Star networking, CSMA/CA, AES encryption
E49 Series — 433 / 900 MHz 20 dBm 2.5 km FSK Plug-and-play, transparent transmission, low cost
E70 Series — 400 / 900 MHz 20 – 30 dBm 2.5 – 5.5 km FSK / GFSK Strong anti-interference, wide voltage, high reliability
E220 Series — 433 / 900 MHz 20 dBm 2.5 km FSK / GFSK Compact size, AT command configurable, plug-and-play
E22 Series (LoRa) SX1262 / SX1268 410 – 930 MHz 22 – 30 dBm 5 – 10 km LoRa Spread Spectrum Ultra-long range, low power, AES encryption, air wake-up
E50 Series EFR32FG23 868 / 915 MHz 20 / 30 dBm 5 – 10 km GFSK / LoRa High performance, multi-protocol, industrial grade
E610 Series (LoRa Mesh) — 433 / 868 / 915 MHz 20 / 27 dBm Multi-hop unlimited LoRa Mesh Decentralized Mesh, self-healing, multi-hop relay
EWM521 Series — 2.4 GHz 20 / 27 dBm 0.8 – 1.6 km GFSK High speed, 2.4GHz global band, high throughput
EWM293 Series — 470 – 510 MHz 20 / 30 dBm 5 – 10 km LoRa Strong penetration, long range, industrial stability
E62 Series — 425 – 450 MHz 10 – 30 dBm 1 – 3 km GFSK IO control, FEC, strong anti-interference
E330 Series CC1310 425 – 922 MHz 10 – 30 dBm 1.5 – 6 km GFSK Ultra-low power SoC, high reliability, wide frequency
E290 Series PAN3060 / PAN3029 433 / 470 / 868 / 900 MHz 20 – 30 dBm 5.6 – 10 km LoRa Domestic chip, cost-effective, long range

* Max LOS range is tested in open environment with matched antenna. Actual distance varies with building occlusion and electromagnetic interference.

Typical Application Scenarios

Industrial Automation

Wireless communication for PLC, CNC machine tools and AGV cars; remote data acquisition of production line sensors; distributed equipment monitoring.

Smart Home & Building

Smart lighting, curtain motor control, security alarm system, access control integration, building automation sensor network.

Smart Agriculture & Environment

Soil moisture monitoring, greenhouse environment sensing, irrigation remote control, forest fire prevention, hydrological monitoring.

Smart Metering & Utilities

Remote water / electricity / gas meter reading, heat meter data collection, distributed energy monitoring, power grid sensing.

 

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Ebyte E30-170T27D SI4463 UART 5Km Range 170MHz 27dBm DIP 24*43mm CE RoHs FCC LoRa Wireless Transmitter RF Module

$7.73 – $8.99

[Introduction]：E30-170T27D is a 27dBm wireless transceiver module. It operates at 148-173.5MHz, provides an easy way to use. Due to the low frequency, the module features strong penetration and diffraction ability....

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EBYTE E34-2G4H27D nRF24L01+ 2.4GHz Wireless IoT Transceiver Long Range 5000m Transmitter Receiver nRF24L01PA Modulue

$6.90 – $8.29

E34-2G4H27D is a 2.4G wireless transceiver module with high speed and long distance(can be transmitter and receiver both). The module features FEC (Forward Error Correction)algorithm.It can correct the interfered data...

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Ebyte E34-2G4D27D nRF24L01+ 2.4G UART Wireless Module Full Duplex High-Speed Transmission 10dBm Ebyte GFSK DIP 5KM Wireless Module

$6.93 – $8.13

The nRF24L01+ 2.4G UART Wireless Module E34-2G4D27D is a high speed full duplex transmission module that operates at 2.4–2.518GHz. It offers a maximum transmission power of 27dBm and a wireless...

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Ebyte E34-2G4D20D-V2.0 nRF24L01P UART RF Module 2.4GHz 20dBm Long Distance 2km SMA-K Antenna Wireless Transceiver Transmitter Receiver

$4.94 – $5.99

E34-2G4D20D Full duplex 2km long distance 2.4GHz wireless data transmitter and receiver module rf transceiver nRF24L01+ module [IC]：nRF24L01P [Frequency]：2.4~2.518GHz [Power]：10~20dBm [Distance]：2.0km [Interface]：UART [Weight]：6.3±0.1g [Introduction]：E34-2G4D20D is a 20dBm wireless transceiver module....

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Ebyte E30-433T20D SI4438/63 433MHz 20dBm UART DIP LoRa RF Wireless Module

$4.75 – $5.99

Chip: SI4463 (Silicon Labs) Frequency: 425–450.5 MHz (default 433 MHz) Tx Power: 10–20 dBm (default 20 dBm / 100 mW) Rx Sensitivity: −121 dBm @ 5 kbps air rate Range:...

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EBYTE E01C-ML01SP4 GFSK PA+LNA 2.4g Wireless Module 2.4GHz 2km Remotely Rf Transmitter Receiver With IPX/IPEX Antenna Interface

$1.62 – $2.79

EBYTE SI24R1 GFSK PA+LNA 2.4g Wireless Module 2.4GHz 2km Remotely Rf Transmitter Receiver [IC]：Si24R1 [Frequency]：2.4~2.525GHz [Power]：20dBm [Distance]：2km [Size]：14.5*18mm [Product weight]：1.4±0.1g [Introduction]：E01C-ML01SP4 is a small size 2.4ghz SMD wireless module, maximum...

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Ebyte E22-400T30S Semtech $X1262 UART 10Km Range 433Mhz 30dBm SID CE ROHS FCC LoRa IT RF Module

$0.20 – $10.29

product introduction   E22-400T30S SEMTECH LoRa solution wireless serial port module LoRa spread spectrum technology [Frequency]：410.125～493.125MHz [Power]：30dBm [Distance]：10km [Product weight]：5.7±0.1g [Size]：25*40.5mm [Introduction]：E22-400T30S is a wireless serial port module (UART) based...

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EBYTE E49-400T20S hot 20dBm TTL level output iot module 433mhz sx1278 wireless module

$0.20 – $3.69

Wireless rf 433 GFSK module 470mhz 433mhz long range wireless transceiver module low consumption [IC]：- [Frequency]：410~510MHz [Power]：20dBm [Distance]：2.5km [Size]：26*16mm [Weight]：2.0±0.1g [Introduction]：E49- 400T20S is an ultra-high cost-ffective wireless module launched by...

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Ebyte E30-900M30S SI4463 868/915MHz RF Wireless Module Long Range 2.5KM 100mW IPEX/Stamp Hole Antenna SMD Package SPI Wireless Module

$6.26 – $7.49

[Introduction]：E30-900M30S is a hardware module (SPI) based on the SI4463 RF chip imported from Silicon Labs. It is a half-duplex, SMD integrated transceiver with transparent transmission available. With working frequency...

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EBYTE E70-900T14S TI CC1310 chip UART Wireless Module Modbus RSSI 14dBm High-Speed Continuous Transmission IPX/Stamp Hole Antenna Module

$4.09 – $5.59

E70-900T14S is based on originally imported  CC1310from TI, with TTL level output, 3.3V IO port voltage,24MHz industrial high-precision low-temperature drift crystal vibration; Ensure its industrial ability and stability. This top-of-the-line...

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Ebyte E34-2G4H20D Nrf24l01 Wireless Audio Transmitter 24ghz Antenna Spi Low Power Tx Rx Nrf24l01p 2.4ghz Rf Module

$4.94 – $5.99

E34-2G4H20D is a 100mW wireless transceiver module with an operating frequency of 2.4-2.518GHz. The outstanding advantages of this module are concentrated power density, long transmission distance, automatic frequency hopping, strong...

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Ebyte E310-900T23S AX5045 915MHz UART Module 23dBm 5.6km SMD

$5.89 – $7.19

E310-900T23S is a wireless serial module based on ON Semiconductor’s AX5045 narrow-band Sub-GHz RF transceiver. Operating at 900–931MHz (default 915MHz), it supports half-duplex transparent UART transmission, air wake-up (WoR, ultra-low...

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EBYTE E330 Series UART Module 433/868/915MHz FSK 13dBm 2.5km Stamp Hole

$2.46 – $3.89

Product Overview The EBYTE E330 Series (E330-400T13S / E330-900T13S) are compact, ultra-low-power UART wireless serial port modules using FSK modulation. The 400-series covers 410–493 MHz (433/470 MHz), while the 900-series...

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Ebyte E49-900T20S Wireless Module 20dBm Long Range 2.5km Low Power Consumption IPEX/Stamp Hole Antenna Data Transmission Module

$2.48 – $3.89

E49-900T20S Ebyte OEM/ODM New best quality 20DBM transmit power ISM 915MHZ Wireless data transmission module [Frequency]：850~930MHz [Power]：20dBm [Distance]：2.5km [Size]：26*16mm [Product weight]：2.1±0.1g [Introduction]：E49-900T20S is an ultra-high cost-effective wireless module launched by...

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Ebyte EWM528-2G4NW20SX/27SX UART 2.4GHz 20dBm 27dBm Wireless Transparent Transmission LoRa MESH Networking Module Serial Port

$0.99 – $7.99

EWM528 LoRa MESH Wireless Modules Industrial-grade 2.4GHz LoRa MESH networking modules with UART interface for decentralized IoT networks. Model-Specific Introductions EWM528-2G4NW20SX 20dBm output power LoRa MESH module with 2km range...

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Ebyte E29-400M22S 5km long range Wireless Serial Port Transmission uart module modules Spread Spectrum receiver transmitter

$2.60 – $3.99

E29-400M22S SMD long range Wireless Serial Port Transmission uart module modules Spread Spectrum receiver transmitter [Transmission power]： 22dBm [Communication distance]： 5km [Air rate]： 1.04~20.4Kbps [Product size]：20*14*2.8mm [Introduction]：Based on PANCHIP’s RF chip PAN3031, the...

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Frequently Asked Questions

--------------
when will you ship my order?

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.

How do I track my order?

Please provide your express tracking number. Order inquiry URL: https://ebyteiot.com/apps/track123

Please send me the invoice?

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.

What is your contact info?

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.

Have Certificate?

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.

Where can I download the product manual?

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

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Free shipping on orders over $89.99.

SUPPORT 24/7

Contact on weekdays: ebyteiot@cdebyte.com.

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Simply return it within 30 days for an exchange.

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