Instead of talking tediously, keywords can tell you just as much:

Computer Networking
Wifi Networks
Network cabling
Routers & Switches
MikroTik reseller
Training & Configuration
RouterOS Scripting
TCP/IP

Webdevelopment
Apache & MySQL
PHP Programming
Drupal
HTML5 & CSS3

Hardware Design
Electronics Design
Analog & Digital
PCB Prototype
Open source Office
Google Apps & Script
LibreOffice
Open-source alternatives
Ubuntu Linux
Bash Scripting

Internet-of-Things
LoRa & SigFox
Embedded C, C++
RaspberryPi & Arduino
I-o-T prototypes

Wireless
Antennas
Point-to-Point Radio
RF Design