Hello,
I want to install a RS4D stand alone with solar pannels and 4G router to receive datas in real time. Did you test with 4G keys like Huawey’s? https://www.amazon.fr/gp/product/B011BRKPLE/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1
Thank you in advance,
Regards,
Alison