Garmin ASUS A10 - Manual (Page 126)

Appendix
118 Garmin-Asus A10 Owner’s Manual
How can I improve the
cell signal?
Step outside your vehicle.
Use a hands-free headset.
Move the device outside, to an open area.
Walk to a window to improve indoor reception.
Avoid windows with reflective metal film.
Move to a higher elevation.
Move the device away from electronic equipment.