WiFi Module

Ebyte WiFi Module Selection Guide

WiFi modules are integrated wireless communication devices based on IEEE 802.11 standard, integrating RF chipset, MCU, protocol stack and peripheral circuits. They support Station/AP working modes, WPA2/WPA3 encryption and UART/SDIO/USB data transmission.

Ebyte WiFi product line covers 8 major series, from cost-effective UART transparent transmission modules to high-performance dual-band, routing and MESH modules. They are widely used in smart home, industrial monitoring, security and OTA upgrade scenarios as the mainstream wireless networking solution for IoT devices.

How to Select WiFi Module?

Screening Dimension	Recommended Series & Models
Frequency Band	• 2.4GHz single-band: Dual-mode WiFi, Cost-effective WiFi, E101 ESP32, Low-power WiFi, Router, WiFi MESH • 2.4GHz + 5.8GHz dual-band: Dual-band WiFi, High-performance WiFi, E101 ESP32 Series
Core Function	• Serial transparent transmission: Cost-effective WiFi, Dual-mode WiFi • High-speed data & video: High-performance WiFi, Dual-band WiFi • Low power battery operation: Low-power WiFi Series • Standalone routing function: WiFi Router Module Series • Large-area self-healing network: WiFi MESH Series
Interface Type	• UART serial port: Most embedded WiFi series • SDIO / USB high-speed: High-performance WiFi Series • Rich peripheral interfaces: Router Series, ESP32 Series
Transmission Distance	• Short range (100-120m): Entry-level cost-effective series • Medium range (200-400m): Dual-mode, Dual-band, Router series • Long range (400-500m): E101 ESP32 high-power series
Application Scenario	• Smart home & appliance: Cost-effective WiFi, Dual-mode WiFi+BLE • Industrial automation & monitoring: High-performance, Dual-band industrial series • Security camera & video: High-performance SDIO/USB series • Battery-powered sensors: Low-power WiFi Series • Large-area coverage: WiFi MESH, Router Series

Full Series Parameter Comparison Table

Product Series	Model Family	Chipset	WiFi Standard	TX Power	Range	Interface	Key Features
Dual-mode WiFi Series	WiFi+BLE Combo	Integrated combo SoC	802.11b/g/n + BLE	Standard power	120-400m	UART	WiFi + Bluetooth combo, TCP/UDP/MQTT, plug-and-play
Dual-band WiFi Series	CC3235S based	TI CC3235S	802.11a/b/g/n 2.4G+5.8G	18dBm	Medium range	UART / SPI	Industrial grade, dual-band concurrent, high reliability
High-performance WiFi Series	RTL88xx Series	Realtek RTL8812 / RTL8811 / RTL8189	802.11a/b/g/n/ac	Standard power	Standard range	SDIO / USB / UART	High throughput, up to 867Mbps, for video and AP applications
Cost-effective WiFi Series	ESP8266 / W600 based	ESP8266EX / ESP8285 / W600	802.11b/g/n 2.4GHz	Standard power	100-400m	UART	Low cost, AT command transparent transmission, widely used in smart home
E101 ESP32 Series	E101 Series	ESP32-C3 / C5 / C6 / S3	802.11b/g/n 2.4G (some 5G) + BLE	Standard power	200-500m	UART	Dual-core MCU, rich peripherals, WiFi+BLE combo, secondary development
Low-power WiFi Series	CC3200 / DA16200 based	TI CC3200 / CC3220R / Dialog DA16200	802.11b/g/n 2.4GHz	Up to 20dBm	Medium range	UART	Ultra-low sleep current, MQTT support, ideal for battery-powered sensors
WiFi Router Module Series	MT7688 / MT7628 Series	MediaTek MT7688AN / MT7628AN	802.11b/g/n 2.4GHz	20dBm	Medium range	Ethernet / UART / USB	OpenWrt system, standalone routing function, rich interfaces
WiFi MESH Series	E103-W07	ESP-MESH SoC	802.11b/g/n 2.4GHz	20dBm	100m per hop	UART	ESP-MESH protocol, self-healing network, large-area coverage

* Communication range is tested in open-air line-of-sight environment. Actual throughput and range depend on antenna configuration, obstacles and environmental interference.

5-Point Quick Selection Guide

Select frequency band by deployment environment. Choose 2.4GHz single-band for general indoor and long-range scenarios with better wall penetration; choose 2.4GHz+5.8GHz dual-band for high-speed, low-interference applications.
Match interface to host system. For simple MCU serial connectivity, select standard UART transparent transmission modules; for high-speed video or AP applications, select SDIO or USB interface modules.
Evaluate power consumption for battery devices. For battery-powered sensor nodes, select dedicated low-power WiFi series with deep sleep mode to extend battery life to months or years.
Choose network architecture by coverage scale. Choose standard STA/AP modules for router-connected devices; choose MESH modules for large-area self-organizing networks without central router.
Confirm secondary development requirements. Choose AT command plug-and-play modules for simple transparent transmission; choose ESP32 or OpenWrt router modules if you need to run custom application firmware.

Frequently Asked Questions

Q1: Can WiFi modules work without a router?

Yes. Most WiFi modules support AP (Access Point) mode, allowing other devices to connect directly to the module without an external router. They can also work in peer-to-peer mode for device-to-device direct communication.

Q2: What is the difference between 2.4GHz and 5.8GHz WiFi?

2.4GHz WiFi has longer range and better wall penetration but is more prone to interference. 5.8GHz WiFi offers higher data rates and less interference but has shorter range and weaker penetration through obstacles. Dual-band modules support both bands.

Q3: What is UART WiFi transparent transmission?

UART WiFi transparent transmission mode converts serial data directly into WiFi network packets bidirectionally, without requiring the host MCU to handle complex WiFi protocol stacks. Users only need to send and receive data via UART, making integration very simple.

Q4: Are low-power WiFi modules suitable for battery operation?

Yes. Dedicated low-power WiFi modules support deep sleep mode with microampere-level sleep current. By waking up periodically to send data, they can run on batteries for months to years, making them suitable for remote IoT sensors.

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.

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

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

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China IoT Module/Modem Retailers

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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

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WiFi Module

Ebyte WiFi Module Selection Guide

How to Select WiFi Module?

Full Series Parameter Comparison Table

5-Point Quick Selection Guide

Frequently Asked Questions

Q1: Can WiFi modules work without a router?

Q2: What is the difference between 2.4GHz and 5.8GHz WiFi?

Q3: What is UART WiFi transparent transmission?

Q4: Are low-power WiFi modules suitable for battery operation?

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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