Hi i'am Monerio
for the years big companies create communications protocols and sell them with high amount of price for people (Like 4G,3G, Tetra, DMR )
beside of using is with cost, documentation and user-manual is not free and ease of access, this leads to studying in this field is expensive.
our team created from 2017 with some of communications engineers for studying and implementing of communication protocols and create
software for easy using of this protocols freely,this lead to OpenEar project that means no limitation of Protocols and all is free,
 behind of this project has taken a long time and budget. you can see our project state at github page
We invite you to help for reach the goal and keep the project free.
the goal used by all people from all the world and you can be join to this by smile and donation few amount of bitcoin