Hi, I have been testing serial connectivity on my NanoPi NEO Air to a u-blox GSM LEON G100 device connected to uart1 Linux NanoPi-NEO-Air 4.11.0-rc4 #100 SMP Thu May 18 17:59:49 CST 2017 armv7l armv7l armv7l GNU/Linux At first I thought the problem was with my software, I then decided to test with b...

apt-get update
apt-get install bsdmainutils