The Marantec Multi‑Bit Wireless Keypad (Command 231) is a secure outdoor code keypad for Multi‑Bit garage door and access systems. Featuring programmable PIN access and a protective cover, it allows convenient keyless entry and control of up to four channels.
Specifications: Wireless key pad; dimensions 7.0 x 19.8 x 4.8 cm
System Integration
The keypad is designed to work with:
Compatible systems
- Marantec CS series controllers (CS300, CS320, etc.)
- Multi-Bit receivers (plug-in or external)
- Garage door operators
- Industrial shutter systems
Control types
- Impulse input (most common)
- Multi-door control (4-channel variants)
Typical Applications
Residential
- Garage door entry without remote
- Family PIN-based access
Commercial / Industrial
- Warehouse doors
- Shared access gates
- Maintenance entry points
- Security-controlled doors
Functional Comparison
| Feature |
Multi-Bit Keypad |
Handheld Remote |
| Access method |
PIN code |
Button press |
| Security |
Medium–High |
Medium |
| Portability |
Fixed |
Portable |
| User control |
Multiple PINs |
One code per remote |
| Battery life |
Long (low usage) |
Moderate |
Engineering Notes
1. Requires matching receiver
- Must pair with Multi-Bit receiver only
- Not compatible with:
- bi·linked systems
- DM7S systems
Fixed-code system (important limitation)
- Multi-Bit is not rolling code
- Security relies on:
- encryption strength
- PIN management
Installation considerations
- Should be mounted:
- Away from direct weather (unless IP-rated)
- At ergonomic height (~1.2–1.5 m)
- Requires:
- Clean RF environment for best range
Real-World Behavior
From installer and user feedback patterns:
- Easy to program via receiver “learn mode”
- Multiple PINs often used for:
- family members
- service access
- Temporary PIN useful for contractors or deliveries
(The Company reserves the right to amend product specifications and information without notice.)
