Keychain compatible alternatives by other manufacturers

• Carper 318 Binary Keychain garage door opener remote
• Carper 318T Trinary Keychain garage door opener remote
• GTO Mighty Mule 1 button keychain remote
• GTO Mighty Mule 1 button remote
• GTO Mighty Mule 2 button remote
• GTO Mighty Mule 3 button remote
• Skylink 69N Universal Keychain Remote