New Compact Style Heddolf M220-1KB By Keystone 1-Button Visor 10 DIP Code Switch Gate, Garage Door Opener Remote on 300MHz Replaces The Older Larger Model M220-1KA. Compatible With Multi-Code Brand Of Radio Receivers On 300MHz AKA Heddolf M220

New Style Heddolf M330-1KB replaces the older M330-1K wireless keypad can have up to 60 individual 4-digit user codes and is ideal for gate or garage door openers that require more than one entry code. Wireless radio signal for the 10 on/off code switch type radio receivers by Multi-Code, Digi-Code, Linear, Heddolf and Multi-Code compatible on the 300MHz frequency.