GXN32C3N4E 20Mbps WiFi Transparent Transmission Module

GXN32C3N4E — 20 Mbps High-Speed WiFi Transparent Transmission Module

Name: GXN32C3N4E
Brand: TOPECH

SPI/UART to WiFi · 20 Mbps TCP Throughput · 4-Way TCP/UDP · IoT & Industrial

The GXN32C3N4E is a high-speed WiFi transparent transmission module that converts SPI and UART serial data to wireless WiFi communication. With 20 Mbps actual TCP throughput and SPI clock up to 35 MHz, it delivers reliable high-speed wireless data transmission for IoT, industrial automation, embedded systems, and ADC data acquisition applications. It supports up to 4 simultaneous TCP/UDP connections, enabling flexible multi-client communication architectures.

20 Mbps TCP Throughput
SPI 35 MHz Clock
4-Way TCP/UDP
SPI / UART Interface
IoT & Industrial
Compact Module Design

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Product Specifications

Parameter	Specification
Model	GXN32C3N4E
WiFi Throughput	20 Mbps (TCP actual)
SPI Clock	35 MHz
Serial Interface	SPI / UART
TCP/UDP Connections	4-way simultaneous
WiFi Standard	802.11 b/g/n
Antenna	U.FL / IPEX connector (external antenna)
Applications	ADC Acquisition, IoT, Industrial Automation, Embedded Systems, Communication & Networking

Typical Applications

ADC Data Acquisition

Wirelessly transmit high-speed ADC sampling data from remote sensors to central monitoring systems via WiFi, eliminating the need for wired connections.

Industrial Automation

Enable wireless communication between PLCs, sensors, and control systems in factory environments where wired connections are impractical.

IoT Gateway

Serve as a WiFi bridge for embedded devices, converting UART/SPI data to IP packets for cloud connectivity and remote monitoring.

Embedded Systems

Add WiFi connectivity to microcontroller-based projects with minimal firmware changes — transparent transmission requires no protocol modification.

Why Buy From TOPECH

OEM / ODM Support

Custom firmware, antenna configurations and branding — backed by our in‑house R&D and manufacturing team.

Factory‑Direct Pricing

Buy straight from the manufacturer. Competitive wholesale pricing with tiered discounts for distributors and bulk orders.

Fast Global Shipping

Worldwide delivery via DHL / FedEx / UPS with export‑grade packaging. Sample units ship within 3–5 business days.

Lifetime Technical Support

Full documentation and remote engineering support for the entire product lifecycle — 12‑month warranty included.

Frequently Asked Questions

What interfaces does the GXN32C3N4E support?

The GXN32C3N4E supports SPI and UART serial interfaces for transparent WiFi data transmission. It can convert wired SPI/UART data to wireless WiFi communication seamlessly.

What is the WiFi throughput of the GXN32C3N4E?

The GXN32C3N4E achieves 20 Mbps actual TCP throughput with an SPI clock speed of 35 MHz, making it suitable for high-speed wireless data transmission in industrial and IoT applications.

How many TCP/UDP connections does the GXN32C3N4E support?

The GXN32C3N4E supports up to 4 simultaneous TCP/UDP connections, enabling multi-client communication scenarios for complex IoT and industrial automation systems.

What is the minimum order quantity (MOQ) for the GXN32C3N4E?

No strict MOQ for standard GXN32C3N4E modules — sample orders welcome. Tiered wholesale pricing is available for distributors and bulk orders.

Does TOPECH support OEM/ODM customization of the GXN32C3N4E?

Yes. Custom firmware, antenna configurations, branded labeling and integration support are available for OEM and ODM projects.

What warranty does the GXN32C3N4E include?

12‑month warranty plus lifetime technical support including remote assistance from our Chengdu engineering team.