apply to long distance optical communication,optical testing system,LAN and WAN,CATV system,digital communication system ... :=1000 cycleOperation Temperature:-40 ~+80 °cProduct Applications:1. Long Distance Optical Communication2. Optical Testing System3. LAN and MAN4. CATV system5. Digital Communication ... Humility+25~ +65 ,93%R.H, For 100h<0.2dB Patch Code cable (FC,SC,ST)