Confused? No worries. Simply:-

• Click HERE for simple-buy guide for Home & Office CLLI, which covers typical home/office setups including ADSL modems, Satellite TV setups, etc
  
• Click HERE for simple-buy guide for PRO-Series CLLI, which covers the typical Security/ELV setups including CCTV, Alarm, Auto-gate, Door Access, Barrier Gate, Keyphone/PABX, etc
• Click HERE for simple-buy guide for Powerline-Ace (aka PLC-Friendly CLLI) which covers the typical Powerline-Networking/Powerline-Communication setups