Model A9921T operates at 318 MHz with a single-button, single-channel design for garage door and gate openers. Features nine 2-position binary DIP switches for code configuration. Visor-clip mounting style. Compatible with original equipment models 8822, 8832, 8833, 9921, and 9931. A key-chain version (Carper model 318) is also available as an alternative form factor.
Battery Required : 9 Volt Battery
Frequency Type : RF/Bluetooth
Frequency (MHz) : 318.0
Dimensions: 3.00 x 2.00 x 1.00 (W x L x D, inches)
