{"license":"Free for any use with attribution link to rfid-datasheet.com","citation":"RFID-Datasheet.com Chip Database — Roxtron","source":"https://rfid-datasheet.com/chip/iclass-seos","methodology":"https://rfid-datasheet.com/methodology","data_notes":"Includes automated enrichment. Null means unknown; last_checked is link availability, not technical review. Manufacturer documents govern specifications.","generated_at":"2026-11-01T19:50:19.505Z","chip":{"id":"81dfb9f5-0eb7-4cc4-ac56-39c727343e68","slug":"iclass-seos","name":"iCLASS Seos","manufacturer":"HID Global","frequency_category":"HF 13.56 MHz","short_description":"Multi-tech credential with Seos secure identity object","manufacturer_url":"https://vbtdkdldajoxuasljhkm.supabase.co/storage/v1/object/public/datasheets/iclass-seos.pdf","frequency":"13.56 MHz (Seos and iCLASS), 125 kHz (Prox)","protocol":"ISO/IEC 14443-A (Seos), ISO 15693 (iCLASS), ISO 11784/11785 (Prox)","memory":"8 KBytes (Seos), 2k bit or 32k bit (iCLASS), 512 bits (Prox)","interface":"RF (contactless)","temp_range":"-40°C to +70°C operating, -35°C to +50°C storage","form_factor":"ISO/IEC 7810 card, 54mm x 85mm x 0.8mm, composite 60% PVC / 40% PET laminated","security":"Extended Privacy Support (Seos), Static UID optional (Seos), multiple logical records and data groups, HID Global SIO Data Object Support","use_cases":["access-control","asset-tracking","supply-chain"],"engineering_brief":"HID Global's iCLASS Seos/iCLASS/Prox Triple Technology Smart Card combines three RF technologies in one credential: 13.56 MHz Seos (ISO 14443-A, 8KB, up to 848kbps), 13.56 MHz iCLASS (ISO 15693, 2k/32k bit), and 125 kHz Prox (ISO 11784/11785, 512 bits). The card enables seamless migration from legacy Prox systems to advanced Seos security while maintaining backward compatibility. Operating from -40°C to +70°C, it supports physical access, OTP-based IT authentication, and mobile credentials with extended privacy features and multiple on-card applications.","enriched":true,"url_status":"ok","link_status":"valid","last_checked":"2026-11-01T03:31:28.371+00:00","last_status_code":200,"last_content_type":"application/pdf","created_at":"2026-06-14T16:30:56.111445+00:00","manufacturer_id":"0115b2d5-e22e-46fb-8bd4-4394da1f72c1","chip_type":"tag_ic","dual_interface":false,"is_family_hub":false,"meta_description":"HID Global iCLASS Seos triple-tech smart card with 13.56 MHz Seos (8KB, ISO 14443-A), iCLASS (ISO 15693), and 125 kHz Prox for access control migration.","faq":[{"a":"The iCLASS Seos credential supports three technologies: 13.56 MHz Seos (ISO 14443-A with 8KB memory), 13.56 MHz iCLASS (ISO 15693 with 2k or 32k bit options), and 125 kHz Prox (ISO 11784/11785 with 512 bits). This enables migration from legacy Prox systems while maintaining backward compatibility.","q":"What technologies does the HID iCLASS Seos credential support?"},{"a":"The Seos component has 8 KBytes of memory, the iCLASS component offers either 2k bit or 32k bit configurations, and the Prox component contains 512 bits. The multi-technology design allows different memory allocations for each RF interface.","q":"How much memory does the HID iCLASS Seos chip have?"},{"a":"HID iCLASS Seos includes Extended Privacy Support, optional Static UID, multiple logical records and data groups, and HID Global SIO (Secure Identity Object) Data Object Support. These features enable secure physical access control and OTP-based IT authentication.","q":"What security features does HID iCLASS Seos provide?"},{"a":"HID iCLASS Seos cards operate from -40°C to +70°C, making them suitable for both indoor and outdoor access control installations in extreme environmental conditions.","q":"What is the operating temperature range for iCLASS Seos cards?"},{"a":"Yes, iCLASS Seos credentials include 125 kHz Prox technology (ISO 11784/11785) for backward compatibility with legacy Prox readers, enabling phased migration to Seos technology without replacing all readers simultaneously.","q":"Can HID iCLASS Seos credentials work with existing Prox readers?"},{"a":"The 13.56 MHz Seos interface supports data transfer rates up to 848 kbps using ISO 14443-A protocol, providing fast communication for secure authentication and multi-application credential use cases.","q":"What data transfer speed does the Seos interface support?"}],"standards":["iso-14443a","iso-15693","iso-11784-11785"],"alternatives":["842d83e4-591d-4462-b8e8-3b37122a1f8f","110f9308-f105-4f77-a7ef-9e3357c544bd","dd5d8cbc-1b07-49b8-9776-a26b70235acd","b29eeb3e-3592-475c-a2bb-66e6e5d1d808"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/iclass-seos"}}