Handheld Transmitter Replacement Part for Sommer Aperto Garage Door Opener 868MHz TX038684 4020
APERTO 4025 TX02-868-2 APERTO 4020 TX-03-868-4. Battery: Built in battery. Instruction manual 2. Product List Frequency: 868.3Mhz. Usage/Application Field Launch distance: 100m (open space). Working current: ≤ 23mA.