Seller of Weboost Drive booster says professional installation necessary. Why? For integration after installation perhaps?Not sure yet on the difference it makes. It’s for my brothers truck and he was in town for Christmas so installed before he goes back to work. A few guys on his crew run the same one and swear by it so hopefully it works out well for him. We used the weBoost Drive Reach Fleet (470254) Cell Phone Signal Booster
It's pricey but then what isn't these days.