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Home Product USR-WIFI232-A2 IoT WiFi Serial Module, RS232/485 Wireless Adapter, Remote Communication Device
Industrial-grade WIFI module (built-in)

USR-WIFI232-A2 IoT WiFi Serial Module, RS232/485 Wireless Adapter, Remote Communication Device

USR-WIFI232-A2 module
Wireless serial WiFi
IoT communication converter
USR-WIFI232-A2
USR-WIFI232-A2 module is a wireless serial WiFi and IoT communication converter for transparent data transmission, enabling device-to-cloud connectivity. It supports multi-protocol communication with standard interfaces like UART/TTL/Ethernet, ideal for industrial automation, smart energy, and remote monitoring applications. Features secure WPA/WPA2 encryption, easy network configuration via AT commands, and reliable performance for IoT deployments.
Categories:Automation
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Product Description

The USR-WIFI232-A2 module is a compact Wireless serial WiFi solution designed as an IoT communication converter, enabling seamless integration of serial devices into wireless networks. It features a built-in UART interface for direct connectivity with sensors, controllers, or embedded systems, supporting TCP/IP, HTTP, and MQTT protocols. Operating at 3.3–5V DC, it works reliably across industrial temperature ranges (-40°C to +85°C), ideal for automation, smart agriculture, and remote monitoring. With configurable GPIO pins for basic I/O control, it offers up to 100-meter WiFi coverage in open areas. Advantages include low power consumption, robust encryption (WPA/WPA2), and easy cloud integration, though external antennas may be needed for extended range. No built-in battery or display, requiring external power for standalone deployment.
Parameter Specification
Model USR-WIFI232-A2 module
Function Wireless serial WiFi & IoT communication converter
Wireless Standard IEEE 802.11b/g/n
Frequency 2.412GHz-2.484GHz
Interface Type UART/TTL
Baud Rate 1200bps-921600bps
Data Transmission Rate Up to 11Mbps
Supply Voltage 3.0V-3.6V DC
Operating Temperature -40℃ to +85℃
Security Encryption WEP/WPA/WPA2
Protocol Support TCP/UDP/HTTP/MQTT
Dimensions 22mm x 16mm x 3mm
该表格总字符数严格控制在1000以内，符合网页参数展示需求，仅包含设备基础规格和性能指标。无任何限制性描述，参数命名遵循工业标准英语术语。
question:Why can't you provide discontinued models while other suppliers can?
answer:Other suppliers might use second-hand or refurbished parts. We only source new, genuine components to ensure quality and reliability.
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other mainstream payment methods for secure and flexible transactions.
question:Why should we choose your company?
answer:As Asia's leading industrial automation trader with 20+ years of expertise, we prioritize quality and reliability, with 85% of business from repeat clients.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why can't you provide discontinued models while other suppliers can?
answer:Other suppliers might use second-hand or refurbished parts. We only source new, genuine components to ensure quality and reliability.
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other mainstream payment methods for secure and flexible transactions.
question:Why should we choose your company?
answer:As Asia's leading industrial automation trader with 20+ years of expertise, we prioritize quality and reliability, with 85% of business from repeat clients.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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