Folks interested in what you describe should probably look at the Neo900 or the Pyra: https://neo900.org/ https://neo900.org/ http://pyra-handheld.com/ http://

Folks interested in what you describe should probably look at the Neo900 or the Pyra: https://neo900.org/ https://neo900.org/ http://pyra-handheld.com/ http://pyra-handheld.com/