The Marantec Bi.linked Wireless Keypad (Digital 525) is a secure outdoor code keypad for garage door and automatic access systems. Featuring programmable PIN access, it allows convenient keyless entry and control of up to four channels.

• Part of Marantec’s Bi·Linked system
• 868Mhz
• 4 digital pin codes.
• 3 Permanent User pins
• 1 temporary Pin Code
• Channels 4
• 128-bit AES encryption (high-security rolling code system)
• Rolling code transmission (changes every press)
• Unidirectional communication (remote → receiver only)
• Battery: 2x AAA 1.5V lithium battery
• Red LED indicator

Not compatible with Marantec Multi-Bit

Compatibility

Works with:

Marantec Bi·Linked receivers:

• Digital 991 CS
• Digital 992 External receiver
• Other Bi·Linked RF modules

Technical Summary

• Type: 4-channel keypad transmitter
• System: Bi·Linked
• Frequency: 868 MHz
• Encryption: 128-bit AES rolling code
• Power: 2x AAA 1.5V battery
• Communication: unidirectional RF
• Size: 80 × 102 × 35 mm
• Weight: ~90 g
• Range: typically 30–100 m (environment dependent)
• IP54
• Temperature -20°C to 60°C