I had one of these for a while: https://www.amazon.com/Wilson-Electronics-Signal-Booster-Off... Worked well enough. Looks like 4G models are more expensive. (No longer need it as I'm with Republic Wireless now.)

Thanks

Most cell providers will give you one for a deposit. I know tmobile does for something like $25.

Ironically the booster that T-Mobile provides causes more issues. Unlike the old ones that brought the signal in from an antenna to the base using some coax, the current models link up the receiver to the amp using unlicensed 5GHZ. This killed my 802.11ac speeds when I had one.

T-Mobile will now send a full femtocell that uses your ISP's net and broadcasts both WCDMA and LTE. It's much better.

In Australia the carriers sell them. I'd start there.

I believe all 4 of the major US carriers also sell or even just give them away. It's in their best interest for their customers to have good signal coverage in a place they spend a lot of time in.

Although these days, with Wi-Fi calling for voice and Wi-Fi itself for data, the need for these devices is lower and lower.

Thanks.

Bugger, those prices! https://www.powertec.com.au/mobile-products/signal-repeaters...