Transmitter Solutions 390LMPB2K3 Remote - 390 MHz

LiftMaster 82LM Compatible 390 MHz 2-Button Keychain Remote

The Transmitter Solutions 390LMPB2K3 Firefly3 is a compact 2-button keychain remote designed for compatibility with LiftMaster® 82LM dip switch receivers operating at 390 MHz. Ideal for gates and garage doors, this miniature transmitter provides reliable control with secure 10-dip switch programming and a durable keychain design. Its dual orange buttons allow control of two devices from a single, pocket-sized transmitter.

Key Features

• Operating Frequency: 390 MHz
• Compatible With: LiftMaster® 82LM and 10-dip switch receivers
• Two Orange Buttons for dual gate or door control
• Compact Keychain Design for convenient portability
• Programmable 10-Dip Switch Coding for security
• Battery Type: 12V A23 (included)
• LED Indicator for transmission confirmation
• Operating Temperature: -20°F to 100°F
• 2-Year Manufacturer Warranty

Technical Specifications

• Model: 390LMPB2K3 (Firefly3)
• Number of Buttons: 2
• Number of Code Combinations: 1 billion
• Dimensions: 1-1/2" × 2-1/8" × 3/8"
• Weight: 1 oz
• Enclosure: Black case with orange buttons and keychain clip

Conclusion

The Firefly3 390LMPB2K3 offers dependable dual-channel control in a small, durable form factor. Designed for LiftMaster 82LM-compatible systems, it delivers secure performance and easy portability, making it ideal for both gate and garage applications.