Description:
Industrial Isolated USB To 4-Ch RS232 Converter, USB To Serial Adapter, Original FT4232HL Chip, Mac / Linux / Android / Windows Multi-OS Compatible, Wall-Mount Support
USB TO 4CH RS232 is an industrial USB to RS232 isolated converter, featuring the original FT4232HL. It has onboard protection circuits such as built-in power isolation, ADI magnetical isolation, and TVS diode. With an aluminum alloy case, USB TO 4CH RS232 offers simple operation, zero-delay automatic transmission and reception conversion, and boasts characteristics such as fast, stable, reliable, and safe communication, suitable for industrial control applications with various communication requirements.
Features:
- Adopts original FT4232HL chip, fast communicating, stable and reliable, better compatibility
- Supports USB to 4-ch isolated RS232, convenient for expanding multiple RS232 industrial serial devices
- Onboard unibody power supply isolation, provides stable isolated voltage
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection
- Onboard self-recovery fuse and protection diodes, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, improve shock proof performance
- Onboard power supply screw terminal, allows 5V~36V DC wide range input
- 9 LEDs for indicating the power and transceiver status
- Aluminum alloy enclosure with sand blasting and anodic oxidation, solid and durable
Specifications:
- Product Type: Industrial USB to RS232 isolated converter
- Host port: USB
- Device port: RS232
- Baud rate: 300bps ~ 921600bps
- Operating voltage: 5V
- Transmission distance: about 5m
- Power supply: 5~36V DC screw terminal
- Transmission mode: Point-to-point
- Temperature range: -40℃ ~ 85℃
- Humidity range: 5%RH~95%RH
- Operating System: MacOS, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7
Package Includes:
1 x USB TO 4CH RS232
1 x USB type-A to type-B cable ~1.2m
1 x Power adapter
Technical Specifications
| Brand | WAVESHARE |
|---|---|
| Interface / Protocol | RS232, USB, BLE |
| SKU | AI7580 |
| Weight | 0.29 kg |
| Availability | In Stock |
Applications & Use Cases
The Waveshare Industrial Isolated USB To 4-Ch RS232 Converter, USB To Serial Adapter, Original FT4232HL Chip, Mac / Linux / Android / Windows Multi-OS Compatible is a versatile usb interface module used across a wide range of applications including serial communication, industrial automation, data logging, PLC interfacing, and IoT gateway.
Common use cases:
- Converting USB to RS485 for industrial equipment
- Building a data logger for factory sensors
- Debugging embedded systems via UART
This product is ideal for embedded system developers and industrial automation engineers.
Technical Tip: Industrial-grade modules with isolation protect against ground loops and voltage spikes in noisy environments.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine WAVESHARE product sourced from authorized channels



Mahesh Dave (verified owner) –
Great Waveshare Industrial Isolated USB To 4-Ch. Voltage is rock solid under varying loads. Highly recommended.
Shreyas Kulkarni (verified owner) –
Okay Waveshare Industrial Isolated USB To 4-Ch. Output is slightly off from specified but within usable range.
Vinay Solanki (verified owner) –
Okay Waveshare Industrial Isolated USB To 4-Ch. Output is slightly off from specified but within usable range.
Mohit Gill (verified owner) –
Great Waveshare Industrial Isolated USB To 4-Ch. Voltage is rock solid under varying loads. Highly recommended.
Arjun Pandey (verified owner) –
Nice Waveshare Industrial Isolated USB To 4-Ch. Works as expected for my power needs. Good efficiency.
Swati Goyal (verified owner) –
Love this Waveshare Industrial Isolated USB To 4-Ch. Compact size and excellent performance. Worth the price.
Raj Iyer (verified owner) –
This Waveshare Industrial Isolated USB To 4-Ch is reliable and efficient. Running my IoT setup 24/7 with no issues.
Hitesh Banerjee (verified owner) –
Bought multiple units of this Waveshare Industrial Isolated USB To 4-Ch. All consistent quality. Zbotic is reliable.
Naman Patil (verified owner) –
Perfect Waveshare Industrial Isolated USB To 4-Ch for my portable project. Battery life is better than expected.
Tushar Tandon (verified owner) –
Superb Waveshare Industrial Isolated USB To 4-Ch! Efficiency is high and it runs cool even under load.
Harshit Choudhury –
Superb Waveshare Industrial Isolated USB To 4-Ch! Efficiency is high and it runs cool even under load.