Find the answers to your questions.

It's helpful to visitors with hearing aids, it will increase the intercom volume that visitors hear.

The model S215 door station supports both IC card (mifare 13.56MHz) and ID card(125KHz), while other models only support one of them.

For door station S215, you can reset the password by long press 8 seconds of physical reset button; For other devices, please send the MAC address to technical support engineer, then they will help you to reset.

Android series door stations can support up to 100,000 ID/IC cards. 280 series door station can support up to 20,000 ID/IC cards.

S215 supports 3 relays, while other door stations only support one relay.

Yes, our IP system supports standard SIP 2.0, which is compatible with IP phone(Yealink) and IP PBX(Yeastar) .

If you are interested in our products and want to know more detailed information, please contact us or leave a message. We will be in touch within 24 hours.