DTU/RTU

DTU grades, remote data communication solutions, including E95-DTU, E810-DTU, E32-DTU, etc. Supports LoRa, GPRS, GSM and other communications to meet remote monitoring, data collection and control needs.

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 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 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 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 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 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 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 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$ 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 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 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 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 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$ 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 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$ 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 NE2-S1W Ethernet TTL RJ45 Pin Module CDSENET NE2-T1 Edge Acquisition Modbus TCP RTU IoT MQTT Communication

$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 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 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

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte E105-WBS36S EWM105-WBS30S Combo Module SLE1.0/WiFi6/BLE5.4/5.2 Transparent Serial Transmission Strong Anti-interference

$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 EWM700-2G4T20DXN Open-Source ELRS Receiver Module 915MHz & 2.4GHz UART SX1276/SX1281 for FPV

$0.10

0.1$ Free Sample(Limit 2 pcs per person of all sample models) Ebyte BAD11-12W05N2 12W Isolated DIN-Rail Power Supplies 85-264VAC

$0.10

0.1$ Free Sample(Limit 2 Pcs Per Person Of All Sample Models) EBYTE EWD104-BT58P 2.4G Bluetooth Low Energy BLE 5.3 iBeacon

$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 E611 IOT Wireless RF Module 20/33dBm Full Duplex Video & Data Transceiver UART/PHY Serial to Ethernet 868/915MHz

$22.50 – $61.47

Ebyte BAD11 & BAD31 series 12W Isolated DIN-Rail Power Supplies 85-264VAC

$3.97 – $4.00

E810-U16/U17 Series USB to Serial Converter TTL/RS485

$15.61 – $28.66

EBYTE ECM50 Series ESP32-S3 Programmable Industrial Computer & IoT Gateway (4G/WiFi/LoRa/RS485/RS232)

$39.69 – $39.92

Ebyte EWD611 Wireless RF Module 868/915MHz 20/33dBm 1-2km Full Duplex Video & Data Transceiver with RS485 Ethernet Port

$33.60 – $95.90

EBYTE EWM700 Series Open-Source ELRS Receiver Module 915MHz & 2.4GHz UART SX1276/SX1281 for FPV

$7.38 – $8.45

EBYTE EWD104-BT58 Series 2.4G Bluetooth Low Energy BLE 5.3 iBeacon

$3.69 – $5.84

EBYTE M31 U CAN Series Industrial CANopen Distributed Remote I/O Modules

$48.45 – $60.56

Ebyte EBT3003 PROFINET Chip Modbus Master/Slave UART 3.9Mbps

$8.57 – $14.48

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

$32.31 – $47.00

China IoT Module/Modem Retailers

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Corporate Culture

Internet of Things Exhibition Hall

office

Factory

Large Stock

IoT Exhibition

Blog posts

Sub Text

: Key Differences Between Bluetooth Chips and Modules: Hardware Selection Guide

By 谭宇on 22 luglio 2026

Choosing between raw Bluetooth System-on-Chips (SoCs), pre-certified hardware-only SoC modules (e.g., Ebyte E73-2G4M08S1C), and AT-command serial transparent modules (e.g., Ebyte E104-BT5032A) determines product time-to-market, RF compliance cost, and power budget. Raw Bluetooth chips require custom impedance matching networks, external 32.768kHz/32MHz crystals, and regional RF regulatory certification (FCC, CE, KC). In contrast, integrated Bluetooth modules bundle RF front-ends, antenna structures (PCB onboard or IPEX connectors), and power management ICs (PMUs) into a shielded footprint. Choosing the right architecture depends on whether the system requires secondary SoC programming (via ARM Cortex-M4F cores), ultra-low sleep current (under 2uA), or transparent UART plug-and-play transmission for industrial equipment.

Arduino WiFi Modules and Libraries

By 谭宇on 22 luglio 2026

Deploying wireless edge nodes via Arduino environments often introduces connectivity instability due to non-blocking network socket misconfigurations, unoptimized AT command parsing, and thermal throttling in high-throughput applications. Integrating industrial-grade WiFi silicon—such as the Espressif ESP32-S3-WROOM-1, Texas Instruments CC3235S, or pre-certified modular hardware like Ebyte's E103-W06 (ESP8266-based) and E101-C3MN4 (ESP32-C3-based)—mitigates hardware-level RF layout degradation. Paired with hardware-optimized libraries (WiFi.h, ESP8266WiFi.h, and WiFiNINA), developers can implement robust TCP/IP sockets, WPA3 enterprise security, and automated reconnect handling to ensure reliable industrial operation across harsh 2.4 GHz and 5 GHz environments.

I2S Digital Audio Interface

By 谭宇on 22 luglio 2026

The Inter-IC Sound (I2S) digital audio interface addresses signal degradation, clock jitter, and electromagnetic interference (EMI) inherent in analog audio transmission by transmitting multi-bit PCM audio data alongside dedicated clock lines over a 3-wire synchronous serial bus. By isolating Bit Clock (BCLK), Word Select (WS/LRCLK), and Serial Data (SD) signals, I2S eliminates time-base errors that cause harmonic distortion in mixed-signal embedded systems. When integrating audio codecs or DSPs with embedded wireless modules like the Ebyte E104-BT5032A (nRF52832), ESP32-S3, or STM32F429 microcontroller families, selecting between standard I2S (MSB-justified/I2S Philips), Left-Justified, Right-Justified, and Time Division Multiplexing (TDM) mode determines channel synchronization, buffer allocation, and master/slave clock tree stability.

What should I consider when choosing a Bluetooth microcontroller for my device?

By 谭宇on 22 luglio 2026

Selecting the optimal Bluetooth microcontroller (MCU) or System-on-Chip (SoC) for industrial IoT requires balancing processing architecture (ARM Cortex-M4F/M33), wireless range via output power (+4dBm to +20dBm), power consumption (down to 1.5uA in deep sleep), and peripheral interfaces (UART, SPI, ADC, PWM). For high-density industrial environments, critical factors include physical layer (PHY) capabilities—such as 2Mbps for fast throughput, LE Coded PHY (S=8) for up to 1.5km long-range transmission, and Bluetooth Direction Finding (AoA/AoD)—alongside Flash/RAM capacity for Over-The-Air (OTA) firmware updates. Integrating pre-certified Bluetooth modules with integrated PA/LNA (e.g., Ebyte E73-2G4M20S) simplifies RF impedance matching (50 Ohm) and accelerates FCC/CE compliance.

Frequently Asked Questions

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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.

DTU/RTU

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

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