The door controller extension module DAHUA DEE201R is compared with the card reader DAHUA ASR1101M-V1. Both devices are produced by DAHUA for access control systems and share the same operating temperature range from –10 °C to +55 °C. The main practical difference lies in their function: DAHUA DEE201R acts as an extension module for security management setups, while DAHUA ASR1101M-V1 functions as a MIFARE card reader for user authentication.
⚙️ The table below compares the device type, technology, and purpose to help clarify their functional differences.
| Comparison parameter | DAHUA DEE201R | DAHUA ASR1101M-V1 | Practical significance |
|---|
| Device type | Door controller extension module | MIFARE card reader | Defines the role of the device in the security system: access management versus user identification. |
| Main purpose | Expanding access control system setups | Contactless card reading for secure entry | The first device manages access logic, while the second verifies user credentials. |
| Operating temperature | –10 °C to +55 °C | –10 °C to +55 °C | Both products are rated for reliable operation under the same temperature conditions. |
◎ The table below evaluates which product is more suitable for specific use cases.
| Use case | Recommended product | Why |
|---|
| Expanding an access control system | DAHUA DEE201R | Specifically built to expand security management capabilities in buildings. |
| Setting up card-based entry points | DAHUA ASR1101M-V1 | Provides reliable MIFARE card reading for user authentication and secure entry. |
The DAHUA DEE201R differs from the DAHUA ASR1101M-V1 by serving as a system extension module rather than a credential reading device. Choose DAHUA DEE201R when you need to expand your access control hardware infrastructure, or select DAHUA ASR1101M-V1 if you require a dedicated card reader for user authentication at entry points.
