IMHO I think it would be easier to transmit data via Bluetooth instead of WiFi. RPi3 units come with built in Bluetooth.
If possible, I would use a serial protocol instead of Bluetooth. I think the wireless connection is never as stable as wired connection like serial, SPI, I2C ... But if wireless is only choice, it could be wifi for easy to integrate with other stuffs.
Please enter a valid email to subscribe
We need to confirm your email address.
To complete the subscription, please click the link in the
email we just sent you.
Thank you for subscribing!
via Egeo 16