End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
How do I 'cost-optimize' nRF24L01P ? https://ncrmnt.org/2015/03/13/how-do-i-cost-optimize-nrf24l01/