2 Pack for Guardian Garage Door Opener Remote Control, Replacement for 2211-L GDOR2B Dual Frequency 303/390MHz with Keychain

Product features:Compatible brands: GuardianApplicable model: 2211-L 2211-L(TX) 2211 21230 GDOR2B GDS 21230-L 303RTX R2BCC BOL4 BOL4, BOL6, BOL9, OL4, OL6, OL9, BRD1, BRD9universal model: 628, 315, 415, 600, 600SLFrequency: Guardian 303MHz,303MHz/390MHz Dual FrequencyBattery Type: ‎Alkaline Battery（Include）Channels: 2Radio Codering: Rolling Code, Security+, Security+ 2.0Package List:2*garage door remote control2*metal keychain1*operation instruction

• Dual Frequency Support—Guardian garage door opener remote operates on both 303MHz and 390MHz for wide compatibility across Guardian systems
• Remote Compatibility—Replacement for Guardian garage door opener remote models including 2211-L 2211-L(TX) GDOR2B GDS 2211 21230 21230-L 303RTX R2BCC BOL4, offering full compatibility for your existing opener system
• Opener Models Supported—Works with Guardian 628, 315, 415, 600, 600SL for stable operation
• Safe and Reliable—Rolling code encryption generates a new code each press, preventing interference
• Compact Keychain—Keychain remote is always within reach, attaches securely to keys or bag, so you never have to worry about misplacing it
• Fast Programming—Step-by-step instructions included, allows quick pairing of two remotes to one opener
• Dual Access Convenience—Manage two separate doors or gates with one remote, ideal for families or multi-garage homes