ZyXEL iCard Cyren anti-spam for USG1900, 1 year.
| Item number | 5807980 |
| Manufacturer | |
| Category | |
| Manufacturer no. | 4919 |
| Release date | 6/22/2016 |
| Network accessory type | Access card |
| Weight | 80 g |
| Weight | 10 g |
Specifications may include unverified machine translations.