FAQ

Find quick answers to commonly asked questions about our products and services

Do your products support the latest iOS versions?

Yes, our products continuously update firmware and fully support iOS 17 and later. They are also backward compatible with iOS 13 and above.

Does the device require external power?

RY-iOS422 Pro and RY-iOS232 Standard feature low-power design and can draw power directly from iOS devices without external power.

What is the maximum transmission distance?

In RS-422 mode, up to 1200 meters (depending on baud rate). In RS-232 mode, up to 15 meters. For longer distances, we recommend using a repeater.

What is the warranty period for your products?

All products come with 2 years of free warranty service and lifetime technical support. Non-artificial damage during the warranty period will be repaired or replaced free of charge.

How to determine if the device is working properly?

The device connection status can be verified through the application using the provided iOS Framework. Successful device detection and communication indicate normal operation.

Can I use your products in industrial environments?

Yes, all our products are designed for industrial-grade applications with excellent anti-interference capability and wide operating temperature range (-10°C to +85°C).

Still Have Questions?

Our technical expert team is ready to provide professional support and detailed product information

Email: yunqingmu404@gmail.com

Phone: +86-13312043235

Business Hours: Mon-Fri 9:00-18:00 (GMT+8)