Telcel (América Móvil) looks like the only game in town...

PLUG N PLAY

This WI-FI transceptor has taken many of my cellulars from no connection to 5 bars. I also have a tubular YAGI that 5-bars modems in a house a quarter mile distant. But the little screw on antenna the 12 db model works great. This has the most powerful transmitter on the market.

https://www.amazon.com/dp/B0035APGP6?tag=amz-mkt-fox-us-20&ascsubtag=1ba00-01000-org00-win70-dsk00-nomod-us000-pcomp-feature-scomp-wm-5&ref=aa_scomp&noLL=1#Ask

I use Wi-Fi WhatsApp 100 to 1 over Tel Cel messaging