Industry-Verified Manufacturing Data (2026)

Wi-Fi Communication Board

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Wi-Fi Communication Board used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Wi-Fi Communication Board is characterized by the integration of Wi-Fi Module and PCB Antenna. In industrial production environments, manufacturers listed on CNFX commonly emphasize FR-4 PCB substrate construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A printed circuit board (PCB) that enables wireless network connectivity for smart home devices.

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Product Specifications

Technical details and manufacturing context for Wi-Fi Communication Board

Definition
The Wi-Fi Communication Board is an essential electronic component within the Smart Home Electrical Outlet with USB Charging. It provides the hardware and firmware necessary for the outlet to connect to a local Wi-Fi network, enabling remote control, scheduling, energy monitoring, and integration with smart home ecosystems via mobile applications or voice assistants.
Working Principle
The board contains a Wi-Fi module (e.g., ESP8266, ESP32) with an integrated microcontroller and radio transceiver. It connects to a 2.4GHz Wi-Fi network using standard protocols (IEEE 802.11 b/g/n). The microcontroller runs firmware that manages the network connection, receives commands from a cloud server or local network, and translates them into control signals for the outlet's power switching and USB charging circuits via a communication bus (e.g., UART, SPI).
Common Materials
FR-4 PCB substrate, SMD electronic components (resistors, capacitors, ICs), Wi-Fi module, antenna (PCB trace or ceramic)
Technical Parameters
  • Physical dimensions of the PCB (e.g., 40mm x 25mm) (mm) Standard Spec
Components / BOM
  • Wi-Fi Module
    Integrated circuit that handles wireless network protocols and radio transmission/reception.
    Material: Silicon, plastic package
  • PCB Antenna
    A trace etched onto the PCB that radiates and receives RF signals.
    Material: Copper
  • Voltage Regulator
    Converts the outlet's main power supply voltage to the stable lower voltage required by the Wi-Fi module and other ICs.
    Material: Silicon, plastic package
  • Flash Memory
    Stores the device firmware and network configuration.
    Material: Silicon, plastic package
Engineering Reasoning
2.4-5.0 GHz frequency band, -40°C to +85°C temperature range, 3.3V ±5% supply voltage
RF signal-to-noise ratio < 10 dB, junction temperature > 125°C, supply voltage deviation > ±10%
Design Rationale: Dielectric breakdown in PCB substrate at >500 V/mm electric field, thermal expansion mismatch between FR-4 substrate (CTE 14-18 ppm/°C) and copper traces (CTE 17 ppm/°C) causing delamination
Risk Mitigation (FMEA)
Trigger Electrostatic discharge (ESD) event exceeding 8 kV HBM
Mode: RF front-end IC latch-up causing permanent signal loss
Strategy: TVS diodes with <1 ns response time at all I/O ports, guard rings around sensitive RF components
Trigger Sustained ambient temperature > 85°C for >1000 hours
Mode: Solder joint fatigue (Coffin-Manson model: N_f = 0.5(Δε/0.02)^{-2}) leading to intermittent connectivity
Strategy: High-temperature SAC305 solder (melting point 217°C), thermal vias with 0.3 mm diameter under BGA packages

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Wi-Fi Communication Board.

smart home Wi-Fi communication board IoT wireless connectivity PCB FR-4 Wi-Fi module board SMD components Wi-Fi board PCB antenna communication board

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
humidity: 5% to 95% non-condensing
rf power: Up to +20dBm
data rate: Up to 150Mbps
temperature: -40°C to +85°C
frequency bands: 2.4GHz, 5GHz (dual-band models)
operating voltage: 3.3V ±10%
Media Compatibility
✓ Indoor residential environments ✓ Commercial office spaces ✓ Light industrial control systems
Unsuitable: Outdoor environments with direct weather exposure or high EMI/RFI interference
Sizing Data Required
  • Required network bandwidth (Mbps)
  • Number of concurrent device connections
  • Physical space constraints for PCB mounting

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal stress failure
Cause: Prolonged overheating due to inadequate ventilation, high ambient temperatures, or excessive data transmission loads causing solder joint fatigue and component degradation.
Signal degradation/intermittent connectivity
Cause: Corrosion or oxidation of RF connectors and circuit board traces from moisture ingress, dust accumulation, or chemical exposure in industrial environments.
Maintenance Indicators
  • Frequent, unexplained communication dropouts or signal instability despite normal network conditions
  • Visible discoloration, bulging, or leaking of capacitors on the board, or audible buzzing/hissing from components
Engineering Tips
  • Implement environmental controls: Ensure proper enclosure sealing (IP rating appropriate for environment), maintain ambient temperature below manufacturer's specified limit, and use conformal coating on PCB if exposed to contaminants.
  • Establish preventive maintenance: Regularly clean board and connectors with appropriate electronics-grade solvents, monitor operating temperatures with thermal imaging, and schedule periodic firmware updates to optimize performance and security.

Compliance & Manufacturing Standards

Reference Standards
ISO/IEC 17025:2017 - Testing and calibration laboratories ANSI/UL 62368-1 - Audio/video, information and communication technology equipment CE Marking - EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU
Manufacturing Precision
  • PCB trace width: +/-0.05mm
  • Component placement accuracy: +/-0.1mm
Quality Inspection
  • Radio Frequency (RF) performance testing
  • Environmental stress screening (ESS)

Factories Producing Wi-Fi Communication Board

Verified manufacturers with capability to produce this product in China

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✓ 96% Supplier Capability Match Found

S Sourcing Manager from Australia Feb 13, 2026
★★★★★
"Great transparency on the Wi-Fi Communication Board components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."
Technical Specifications Verified
P Procurement Specialist from Singapore Feb 10, 2026
★★★★☆
"The Wi-Fi Communication Board we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Germany Feb 07, 2026
★★★★★
"Found 26+ suppliers for Wi-Fi Communication Board on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

11 sourcing managers are analyzing this specification now. Last inquiry for Wi-Fi Communication Board from Vietnam (1h ago).

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Frequently Asked Questions

What is the primary application of this Wi-Fi Communication Board?

This board enables wireless network connectivity for smart home devices and IoT applications, allowing devices to connect to Wi-Fi networks for remote control and data transmission.

What materials are used in the construction of this board?

The board uses FR-4 PCB substrate with SMD electronic components (resistors, capacitors, ICs), a dedicated Wi-Fi module, and either a PCB trace or ceramic antenna for wireless communication.

What key components are included in the Bill of Materials (BOM)?

The essential BOM components include Flash Memory for firmware storage, PCB Antenna for wireless transmission, Voltage Regulator for power management, and the core Wi-Fi Module for network connectivity.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Computer, Electronic and Optical Product Manufacturing sector.

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