1.CAM receiver 2.up to DVB-CI (EN50221) Standard 3. ... -S signal or ASI signal and output Transparency Standard ASI GC-1800CI, a multi-way descrambling CAM receiver, is used to ... no NMS is applied. Products to the same type are GC-1800SCI,GC-1800CA/SCA, etc. And the main difference between them ...