MD-W11GR Wireless Access Control Door Interface with 24V Power Supply
The MDW11GR wireless access control door interface provides secure bi directional RF communication for transmitting credential data, relay commands, and door monitoring signals between interface units. Designed for indoor applications, it supports multiple card and PIN formats, rolling code security, anti collision communication, and backup battery charging capability. The system enables reliable transfer of access control information, lock commands, request to exit events, tamper notifications, and door status monitoring across extended distances with dependable performance.
Utilizes bi-directional RF data communication to reliably transmit access control signals between near and far interface units without hardwired connections.
Supports multiple credential formats, including Wiegand 26-bit, Wiegand 32-bit, and 6-bit PIN code transmission for flexible system integration.
Transfers lock relay commands, door status monitoring, request-to-exit (REX) signals, and tamper events between connected units.
Incorporates advanced rolling code technology to enhance communication security and protect against unauthorized signal duplication.
Features four selectable RF channels that help minimize interference and prevent communication collisions in multi-device environments.
Provides long-range wireless operation with transmission distances of up to 300 meters (985 feet) under optimal conditions.
Includes a built-in battery charger supporting up to a 12VDC 7Ah sealed lead-acid backup battery on the far unit for continued operation during power interruptions.
Enables seamless transfer of proximity card data, LED control signals, reader tamper notifications, lock commands, and door monitoring events.
Supports both AC and DC power sources with a wide input range of 12–24VAC or 15–24VDC for installation flexibility.
Delivers fast response times of up to 500ms when paired with compatible Rosslare controllers and readers.
Equipped with a high-capacity 5A Form C relay output for dependable door lock and access control device management.
Uses narrow-band RF communication with anti-collision technology and protected data transmission for stable performance.
Designed for indoor access control applications requiring secure wireless communication between controllers and remote doors.
Operates reliably in temperatures ranging from -10°C to 50°C (14°F to 122°F), making it suitable for a variety of indoor environments.
Compact housing simplifies installation while providing a space-efficient solution for wireless access control expansion.
| MODEL NAME | Rosslare MD-W11GR Wireless Access Control Door Interface |
| MANUFACTURER | Rosslare Security Products |
| SKU | MD-W11GR |
| PRODUCT TYPE | Wireless Access Control Door Interface |
| APPLICATION | Wireless access control communication between controller and door interface units |
| COMMUNICATION TYPE | Bi-directional RF communication |
| RF TECHNOLOGY | Narrow band RF |
| SECURITY PROTOCOL | Rolling Code protocol with data protection |
| DATA TRANSMISSION | Wireless relay of access control signals |
| SUPPORTED CARD FORMAT | Wiegand 26-bit |
| SUPPORTED CARD FORMAT 2 | Wiegand 32-bit |
| SUPPORTED PIN FORMAT | 6-bit PIN code |
| PIN CODE SUPPORT | Yes |
| LOCK RELAY COMMANDS | Supported |
| DOOR RELAY COMMANDS | Supported |
| TAMPER SIGNALS | Supported |
| DOOR MONITOR SIGNALS | Supported |
| REX SIGNALS | Supported |
| PROXIMITY CARD DATA TRANSFER | Supported |
| LED CONTROL TRANSFER | Supported |
| READER TAMPER TRANSFER | Supported |
| EVENT TRANSMISSION | Door monitor and REX events |
| RF CHANNELS | 4 selectable channels |
| ANTI-COLLISION FEATURE | Fast anti-collision technology |
| INPUT VOLTAGE AC | 12–24 VAC |
| INPUT VOLTAGE DC | 15–24 VDC |
| POWER SOURCE NEAR UNIT | Controller power supply |
| POWER SOURCE FAR UNIT | Local wall transformer |
| BATTERY CHARGER | Built-in charger included |
| BATTERY TYPE | 12V Sealed Lead-Acid |
| BATTERY CAPACITY | Up to 7Ah |
| BACKUP BATTERY SUPPORT | Yes |
| STANDBY CURRENT | 70mA |
| MAXIMUM CURRENT | 160mA |
| OUTPUT RELAY TYPE | Form C relay |
| OUTPUT RELAY RATING | 5A |
| MAXIMUM RANGE | 300 meters (985 feet) |
| RESPONSE TIME | Up to 500ms |
| CONTROLLER COMPATIBILITY | Rosslare AC-215 controller |
| WIRELESS OPERATION | Yes |
| COMMUNICATION DIRECTION | Two-way communication |
| DATA PROTECTION | Encrypted rolling code transmission |
| ACCESS CONTROL INTEGRATION | Supported |
| READER INTEGRATION | Supported |
| LOCK CONTROL | Remote wireless lock control |
| DOOR STATUS MONITORING | Supported |
| RF BAND OPTION G | 433.92 MHz |
| RF BAND OPTION H | 869 MHz |
| OPERATING ENVIRONMENT | Indoor use |
| INSTALLATION TYPE | Wireless interface installation |
| OPERATING TEMPERATURE MIN | -10°C (14°F) |
| OPERATING TEMPERATURE MAX | 50°C (122°F) |
| TEMPERATURE RANGE | -10°C to 50°C |
| WIDTH | 8.7 cm (3.42 in) |
| HEIGHT | 13 cm (5.1 in) |
| DEPTH | 3.2 cm (1.26 in) |
| DIMENSIONS | 13 × 8.7 × 3.2 cm |
| ENCLOSURE TYPE | Compact indoor enclosure |
| ACCESS CONTROL FORMAT SUPPORT | Multiple card and PIN formats |
| WIRELESS SIGNAL TYPE | RF narrow band |
| RELAY COMMAND TRANSFER | Supported |
| CONTROLLER TO READER COMMUNICATION | Wireless |
| READER TO CONTROLLER COMMUNICATION | Wireless |
| SECURITY FEATURE | Rolling code authentication |
| COLLISION PREVENTION | Four RF channels |
| EVENT REPORTING | Real-time event transmission |
| LOCK STATUS COMMUNICATION | Supported |
| DOOR STATUS COMMUNICATION | Supported |
| TAMPER STATUS COMMUNICATION | Supported |
| REX STATUS COMMUNICATION | Supported |
| INDOOR RATED | Yes |
| COMMERCIAL APPLICATIONS | Access control systems |
| BUILDING SECURITY USE | Yes |
| WIRELESS DOOR CONTROL | Supported |
| SYSTEM EXPANSION | Wireless access point extension |
| LOW VOLTAGE OPERATION | Yes |
| BACKUP POWER READY | Yes |
| INSTALLATION LOCATION | Indoor security environments |
Rosslare MD-W11GR Wireless Access Control Door Interface is a reliable wireless communication solution designed to extend access control systems without the need for extensive cabling. Utilizing bi-directional RF communication and advanced rolling code security technology, the MD-W11GR securely transfers access control data, lock commands, door monitoring signals, and reader information between near and far interface units. Ideal for commercial buildings, gated facilities, industrial sites, and retrofit installations, this interface provides dependable wireless connectivity while maintaining high security standards.
Secure Wireless Communication for Access Control Systems
The MD-W11GR supports multiple credential formats including Wiegand 26-bit, Wiegand 32-bit, and 6-bit PIN codes. It enables seamless transmission of card data, lock relay commands, request-to-exit (REX) signals, door status monitoring, tamper alerts, and LED control functions between connected units. With four selectable RF channels and anti-collision technology, the system ensures stable communication even in environments with multiple wireless devices.
- Bi-directional RF data communication
- Supports Wiegand 26-bit, 32-bit, and 6-bit PIN formats
- Rolling code encryption enhances communication security
- Four RF channels help prevent signal collisions
- Transfers card data, relay commands, REX, and door monitoring events
Flexible Installation and Reliable Backup Power
Designed for indoor applications, the MD-W11GR offers a wireless range of up to 300 meters (985 feet). The Near Unit receives power directly from the access controller, while the Far Unit operates from a local power source and includes a built-in charger capable of supporting a 12V sealed lead-acid backup battery up to 7Ah. This design ensures uninterrupted operation during temporary power interruptions and simplifies deployment in locations where cabling is difficult or costly.
- Wireless range up to 300 m (985 ft)
- Built-in charger for 12V backup battery support
- 5A Form C relay output
- Fast response time up to 500ms with compatible Rosslare controllers
- Ideal for retrofit and difficult-to-wire installations
The Rosslare MD-W11GR is an excellent choice for security professionals seeking a dependable wireless access control interface that delivers secure communication, flexible installation options, and reliable long-range performance for modern access control systems.
Technical Specifications
- Model: MD-W11GR
- Communication: Bi-directional RF, narrow band with rolling code protocol
- Supported Formats: Wiegand 26-bit, Wiegand 32-bit, 6-bit PIN code
- RF Channels: 4 selectable channels
- Maximum Range: 300 m (985 ft)
- Input Voltage: 12–24 VAC / 15–24 VDC
- Current Consumption: 70mA standby, 160mA maximum
- Output Relay: 5A Form C relay
- Battery Backup: 12V sealed lead-acid battery support up to 7Ah (Far Unit)
- Operating Temperature: -10°C to 50°C (14°F to 122°F)
- Operating Environment: Indoor use
- Dimensions: 13 x 8.7 x 3.2 cm (5.1 x 3.42 x 1.26 in)






