Use Phillips screwdriver to remove the 2 screws on the MNT bracket and remove it.
1.
2. Use T9 screwdriver to remove the 4 screws on the chassis.
3. Will the unit, open the top cover with 90 angle from USB side. Use static electric
tweezers to remove the antenna cable from the PCBA.
4. Remove the top cover, use PH2 Phillips screwdriver to remove 3 screws on the LED
guide beam and PCBA.
6. Remove the PCBA and LED guide beam from the chassis.