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USR-WIFI232-B2 IOT UART WiFi Module | Serial TTL UART to WiFi Industrial IOT Module (without power adapter)
The USR-WIFI232-B2 IOT UART WiFi Module | Serial TTL UART to WiFi Industrial IOT Module (without power adapter) by PUSR is a premium iot wifi smart switches designed for professionals. It features Item Type: Data Logger and Manufacturer: PUSR IOT.
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About This Product
The USR-WIFI232-B2 IOT UART WiFi Module | Serial TTL UART to WiFi Industrial IOT Module (without power adapter) by PUSR is a premium iot wifi smart switches designed for professionals. It delivers reliable performance at an accessible price.
Key Specifications
- Item Type: Data Logger
- Manufacturer: PUSR IOT
- Operating Voltage (V): 3.3 DC, 9–36V DC — works with standard household power
- Network Protocol: TCP, UDP, ARP, ICMP, DHCP, DNS, HTTP, IP,TCP,MQTT,SSL/TLS,ICMP,ARP,DNS,NTP,DHCP, IPv4
- Data Interface: UART, Ethernet, GPIOs — compatible with modern devices
- Standard: Modbus, MQTT, TCP/IP
- Wireless Standard: IEEE 802.11 b/g/n (2.412 – 2.484 GHz) — smooth, flicker-free operation
- UART interface: 300 bps to 460,800 bps TTL serial — compatible with modern devices
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USR‑WIFI232‑B2 IOT UART WiFi Module is an industrial‑grade UART‑to‑WiFi communication interface module that enables seamless integration of legacy TTL UART devices into IEEE 802.11 b/g/n wireless networks for IoT and embedded applications.
It implements a full TCP/IP and UDP network stack and supports multiple operational modes—Station (STA), Access Point (AP), and STA+AP—allowing flexible Wi‑Fi networking configurations including bridge and router functionality. The module supports transparent data transmission, AT‑command configuration, and provides a friendly web UI for setup and management. It also includes an external antenna interface for robust wireless communication with up to ~280 m line‑of‑sight range under ideal conditions.
Dual data paths via UART (300 bps–460 800 bps), Ethernet (10/100 Mbps) and GPIO facilitate versatile connectivity with MCU‑based systems, sensors, and industrial equipment. Operating at 3.3 V DC with wide industrial temperature tolerance (−40 °C to +85 °C), the device is suited for remote monitoring, data acquisition, gateway deployment, and serial‑to‑network bridging in IoT, automation, and control environments.
Features:
- Serial TTL (3.3V) to WiFi (802.11 b/g/n)
- Supports TCP/IP/UDP protocols
- Working modes: STA/AP/AP+STA
- Compact design for embedded integration
- Operating voltage: 3.3V DC
- Industrial-grade stability and reliability
