Product Description Detailed Specs Downloads Reviews/Questions Product Description ZEBRA ENTERPRISE, AIRDEFENSE APPLIANCE 4250 UPGRADE Detailed Specs null null null null null null null null null null MFG Part Number SV-4250-UPGR Product Type Software Downloads Reviews/Questions The Zebra SV-4250-UPGR is also known as ZEB -SV4250UPGR or SV4250UPGR