Top 10 Modem & DTU Devices

Ebyte's top-selling wireless modems and DTU (Data Transmission Units) are purpose-built for industrial IoT, SCADA systems, and long-range machine-to-machine (M2M) communication. Trusted by system integrators and engineers across 100+ countries, these devices deliver reliable RS232/RS485/Ethernet connectivity over LoRa, 4G LTE, and GFSK radio links.

Key Features

Long Range: LoRa DTUs with up to 10km communication range at 30dBm
Protocol Support: Modbus RTU, Modbus TCP, transparent transmission, and custom AT commands
Interfaces: RS232, RS485, RJ45 Ethernet, USB — covering all industrial wiring standards
Wide Power Input: DC 8~28V for direct integration into industrial panels
Certifications: CE, FCC, RoHS — compliant for global deployment
Rugged Design: DIN-rail mounting, wide temperature range, ESD and surge protection

Common Applications

Remote meter reading and utility monitoring (water, gas, electricity)
SCADA and PLC wireless data acquisition
Environmental and weather station telemetry
Smart agriculture and irrigation control
Oil & gas pipeline monitoring
Industrial automation and factory IoT

0.01$ Sample Module

These samples are $0.01, and you can only buy 2 per person. (Limit 2)! Just pay the shipping fee to buy.

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E51 Series Industrial-grade Multi-protocol Wi-Sun Module Gateway Routing Module Development Board 433/868/915MHz 16dBm

$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Buy Ebyte AM21-5W12V AC-DC 5w 12v Price buck power module diy step-down AC-DC buck power supply wireless module

$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models)Ebyte TX915 Series 868/915MHZ FPC/PCB Built-in Omnidirectional Antenna 2/2.5/3/3.5/4dbi Flexible Antenna Network Equipment

~~$0.34~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E160 Series Superheterodyne Wireless Transmitter and Receiver Module High-performance RF Module 14/17dBm 433MHz OOK/ASK

$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models)Ebyte E54 Motion-Sensing Radar Module Micro Motion Sensor radar Module Light Detection Low Power Consumption 5.8/10GHz

~~$0.76~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte ODM 20dBm High Cost Performance MINI Size 2.4GHz BLE5.1 WiFi+BLE Dual Mode Wireless Module WiFi Module test Kit

$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E04 Series SOC Wireless Communication Hardware Module STM32WL33 RF Chip 10/20dBm 433/868/915MHz 2.4 GHz Test Suite

~~$4.20~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte EWM293-470T20S/30S TurMass Technology 433MHz Serial Port Module UART LPWAN Long-distance Transmission Module

~~$2.59~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte AM11-V Series Industrial Grade AC-DC Isolated Step-down Power Module Overcurrent and Short Circuit protection 20W 24W

~~$17.90~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte FPC PCB Built-in Antenna 433/868/915MHz 2.4/5.8GHz Small Size Reliable Performance Stable signal Module Installation

~~$0.23~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E103-RTL8812CU High-speed Dual-band WiFi Module RTL8812CU-CG Chip 2.4GHz+5.8GHz Low Cost IEEE 802.11b/g/n/ac 200m USB 2.0

~~$5.18~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E54-24LD12B Global frequency band Micro-motion millimeter mmwave sensor 24GHz Millimeter Wave Radar Wireless Module

~~$3.99~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte EWM104-BT41SX SPP BLE5.4 Serial Port to Dual-mode BLE Wireless Module UART 2.4GHz at Commands Serial Port Configuration

$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte EWM104-BT13 Series Auto-reconnect Serial Port HID UART Low Power 2.4GHz BLE5.0 BLE Protocol BLE Proximity Switch Module

$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E104-BT52 Series BLE to Serial Port Module 2.4GHz BLE5.3/5.0 DA14531 DA14535 Wireless Transparent Transmission BLE Module

~~$2.17~~$0.10

0.1$ Ebyte EWM104-BT61SX/SP BLE 5.2 Auracast Audio Module Sample

~~$2.50~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E77-915M30S Low Power Wireless Radio Frequency Module LoRaWAN Node Module 433Mhz 915Mhz 22dBm 30dBm Lora ModuleTest Suite

$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E49 M Series Pure Hardware Wireless Module Wireless Data Transmission Module 433MHz 868MHz 915MHz 20dBm 2.5-5.5km Iot

~~$9.99~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte EWM104-BT41SP BLE5.4 Serial Port to Dual-mode BLE Wireless Slave Module UART 2.4GHz at Commands Serial Port Configuration

~~$0.93~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) EBYTE E840-TTL(EC05-DNE)-V2 4G CAT1 module TTL pin module small size high speed high latency low serial port device networking

~~$11.00~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E105-WBS36S Series NearLink Combo Module SLE1.0/WiFi6/BLE5.4 Transparent Transmission Strong Anti-interference 20dBm

$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models)Ebyte E104-BT52 Series BLE to Serial Port Module 2.4GHz BLE5.3/5.0 DA14531 DA14535 Wireless Transparent Transmission BLE Module

~~$2.17~~$0.10

0.1$ E76-2G4M10S1A BLE 6.0 2.4GHz SoC Module Sample — EFR32 10dBm

~~$5.99~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte EWM151 Series Synchronous Switch Quantity Wireless Transmission Module Signal Acquisition Transmission Point-to-point UART

~~$7.63~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte EWM104 Series BLE Audiodata Transmission Module 2.4GHz UART Ble5.2 BR/EDR Stereo Dual-mode BLE Slave Module Test Suite

~~$1.15~~$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models)Ebyte E104-BT40X BLE 4.2+3.0 SPP Version Serial Port to Dual-mode BLE Module 2.4GHz Slave Role UART Transparent Transmission

~~$1.62~~$0.10

New product promotion (up to 20% off)

New products of Ebyte: GNSS multi-mode satellite positioning module, E810 series USB to RS485 module, power amplifier PA module.

Ebyte NB144 Series 4 Channel Serial Server RS485 RS232 RS422 to Ethernet CDSENET TCP UDP MQTT HTTP Modbus Storage Gateway

$32.31 – $58.75

Ebyte NE2 Series Serial Ethernet TTL RJ45 Pin Module CDSENET NE2-T1 Edge Acquisition Modbus TCP RTU IoT MQTT Communication

$4.50 – $11.39

Ebyte ECM33-A06 T536 Industrial Edge Computer Dual Gigabit Ethernet WIFI Bluetooth RJ45 RS232 RS485 CAN FD DC9-36V CDSENET

$210.00

E91-DTU LoRa RS485 Wireless Modem 30-37dBm IP67 Modbus

$34.11 – $104.95

Ebyte M31 Series EtherCAT Remote I/O Module Distributed Slave Dual Ethernet Ports Acquisition Switch Analog Digital Signals

$54.84

Ebyte EWD201-470A20(AUX) Long-range Wireless Voice Transceiver Audio Transmission Radio Equipment Walkie-talkie 3.5mm AUX

~~$24.56~~$20.65

Ebyte ECM31-B08 ECM31-B09 Industrial PC Allwinner T113-S Node-RED WiFi Bluetooth Module

$40.20 – $49.23

Ebyte ECK40 Series Embedded Core Board Industrial-grade Single-board Computer RK3562 RK3562J Quad-core Rockchip NPU 32GB

$125.99 – $161.13

Ebyte EID021 Series Professional Burglar Alarm System Dual-mode Identification Millimeter-wave and Infrared Sensors 4-8 Meters

$12.99

Ebyte E810 Series Industrial-grade USB to Serial Converter USB to RS485/232/422/TTL 2/4 Serial Ports EMC Class 3 Protection

$3.79 – $30.60

China IoT Module/Modem Retailers

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Corporate Culture

Internet of Things Exhibition Hall

office

Factory

Large Stock

IoT Exhibition

Blog posts

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STM32 vs PIC Industrial MCU Comparison | Architecture, Real-Time Performance & EMC Guidelines

By 谭宇on 25 de mayo de 2026

A deep dive comparison of STM32F103/STM32F407 and PIC16/PIC18/PIC24 industrial microcontrollers. Analyze core architecture, interrupt latency, peripheral adaptation, and EMC noise immunity.

Microcontroller Response Speed Optimization | 5 Core Real-Time Acceleration Methods

By 谭宇on 25 de mayo de 2026

Learn 5 core optimization techniques to boost MCU response speed across STM32F103, STM32F407, and ESP32 platforms. Resolve instruction lag, interrupt timeouts, timing jitter, and task blocking.

MCU and Industrial Core Board Hybrid Applications Guide | Heterogeneous Architecture & Deployment

By 谭宇on 25 de mayo de 2026

Learn to design MCU + Industrial Core Board hybrid applications using STM32F103, STM32F407, ESP32, and RK3506 or Cortex-A7 platforms. Resolve real-time control latency, compute bottlenecks, and protocol translation issues.

Industrial Communication Protocols Guide | MODBUS RTU, UART, SPI, I2C Comparison & Troubleshooting

By 谭宇on 25 de mayo de 2026

Deep dive into industrial communication protocols for STM32F103, STM32F407, and ESP32. Resolve packet loss, timing drift, protocol mismatches, and EMI issues across MODBUS, UART, SPI, and I2C.

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

FREE SHIPPING

Free shipping on orders over $89.99.

SUPPORT 24/7

Contact on weekdays: ebyteiot@cdebyte.com.

30 DAYS RETURN

Simply return it within 30 days for an exchange.

100% PAYMENT SECURE

We ensure secure payment.

Top 10 Modem & DTU Devices

Key Features

Common Applications

0.01$ Sample Module

New product promotion (up to 20% off)

China IoT Module/Modem Retailers

Corporate Culture

Internet of Things Exhibition Hall

office

Factory

Factory

Factory

Large Stock

Large Stock

IoT Exhibition

IoT Exhibition

IoT Exhibition

IoT Exhibition

Blog posts

Frequently Asked Questions

FREE SHIPPING

SUPPORT 24/7

30 DAYS RETURN

100% PAYMENT SECURE

Estimar envío

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