{"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/monza-4-series","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":"2026-11-01T19:51:52.225Z","chip":{"id":"8fb18656-0c7c-4edb-a343-653f3d28462b","slug":"monza-4-series","name":"Monza 4 Series","manufacturer":"Impinj","frequency_category":"UHF 860–960 MHz","short_description":"EPC Gen2v2 series with TagFocus, FastID, BlastWrite","manufacturer_url":"https://vbtdkdldajoxuasljhkm.supabase.co/storage/v1/object/public/datasheets/monza-4-series.pdf","frequency":"860–960 MHz UHF","protocol":"EPC Class 1 Gen 2 V2 (ISO/IEC 18000-63)","memory":"128 bits EPC / 512 bits user memory / 64 bits TID","interface":"RF (contactless)","temp_range":"-40°C to +85°C","form_factor":"Die/wafer for inlay integration","security":"32-bit access and kill passwords, TID memory, AutoTune, Self-Adjust","use_cases":["supply-chain","asset-tracking","brand-protection","library-rfid"],"engineering_brief":"The Impinj Monza 4 series is a family of Gen2v2 UHF RFID ICs offering enhanced performance features including TagFocus (improved sensitivity in dense reader environments), FastID (rapid singulation for high-speed reads), and BlastWrite (fast programming). With 512 bits of user memory and extended temperature range, the Monza 4 chips deliver reliable read ranges and work well in challenging RF environments. The series includes variants like Monza 4QT with public/private memory modes and Monza 4D/4E/4i with different memory configurations, all optimized for high-volume item-level tagging 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":"b85ef6bb-621b-4702-a748-1f5d65cadfa2","chip_type":"tag_ic","dual_interface":false,"is_family_hub":false,"meta_description":"Impinj Monza 4 Series UHF RFID tag IC with 512-bit user memory, EPC Gen2v2 protocol, TagFocus, FastID, and BlastWrite for high-speed item-level tagging.","faq":[{"a":"The Monza 4 series delivers extended read ranges depending on antenna design and reader power, typically achieving several meters in optimal conditions. TagFocus technology improves sensitivity in dense reader environments where multiple readers are present.","q":"What is the read range of Impinj Monza 4 RFID chips?"},{"a":"The Monza 4 series includes 128 bits of EPC memory, 512 bits of user memory, and 64 bits of TID memory. Variants like Monza 4D, 4E, and 4i offer different memory configurations within the family.","q":"How much memory does the Impinj Monza 4 have?"},{"a":"FastID is a rapid singulation feature that enables high-speed reading of multiple tags simultaneously. This allows for faster inventory counts and improved throughput in applications requiring quick tag reads.","q":"What is FastID on Monza 4 chips?"},{"a":"Monza 4QT includes QT (Quiet) technology with public and private memory modes, allowing portions of memory to be hidden or revealed based on application needs. Standard Monza 4 variants (4D/4E/4i) focus on different memory sizes without the public/private mode functionality.","q":"What is the difference between Monza 4QT and standard Monza 4?"},{"a":"Yes, the Monza 4 series is fully compliant with EPC Class 1 Gen 2 Version 2, which corresponds to the ISO/IEC 18000-63 standard for UHF RFID air interface protocol.","q":"Does Impinj Monza 4 support ISO 18000-63?"},{"a":"Monza 4 includes 32-bit access and kill passwords for protecting tag data and permanently disabling tags. It also features locked TID memory for authentication, AutoTune for consistent performance, and Self-Adjust for adapting to varying RF environments.","q":"What security features does Monza 4 offer?"}],"standards":["iso-18000-63-epc-gen2"],"alternatives":["24fa9e2d-500a-4dbe-b69b-83195ac3ece4","d45bce69-18ca-44fe-bef8-7ec9fddf69e6","bdb7f55c-ad14-42b8-a96d-cb0907446d24","8ba0a183-46ba-43f9-8014-ef945b05d984"],"no_direct_competitor":false,"long_form_html":null,"og_image_url":null,"canonical_url":"https://rfid-datasheet.com/chip/monza-4-series"}}