The g-38 is a centimetric multi-frequency GNSS data collector.
Lightweight (285 grams), rugged and waterproof, it runs under android 7. HyperGis will meet most data entry needs, it has a NTRIP client. But you can add your own software as well.
The G-78 is a centimetric GNSS multi-frequency tablet.
Lightweight (550 grams), ruggedized, waterproof and running under android 7, its input software, HyperGis will be able to do the input work, the connection to the networks being ensured by its client NTRIP.
You can use Google Play to install any data entry software of your choice.