M775
The Impinj M775 is an UHF 860–960 MHz RFID tag IC, with 128 bits EPC / 32 bits User / 64 bits TID / 32 bits Access + Kill passwords, operating at 860–960 MHz (UHF), under EPC Class 1 Gen 2 (ISO/IEC 18000-63) RAIN RFID.
Advanced UHF RFID tag chip with FastID capability and enhanced read range for item-level tagging
Full Specifications
| Manufacturer | Impinj |
|---|---|
| Frequency Category | UHF 860–960 MHz |
| Frequency | 860–960 MHz (UHF) |
| Protocol | EPC Class 1 Gen 2 (ISO/IEC 18000-63), RAIN RFID |
| Memory | 128 bits EPC / 32 bits User / 64 bits TID / 32 bits Access + Kill passwords |
| Interface | RF (contactless backscatter) |
| Temperature Range | -40°C to +85°C |
| Form Factor | Die/wafer for inlay integration |
| Security | 32-bit access password, 32-bit kill password, TID memory with chip serialization, Impinj FastID for rapid inventory |
Engineering Brief
The Impinj M775 is an advanced UHF RAIN RFID tag chip designed for high-performance item-level tagging applications. It features Impinj's proprietary FastID technology enabling rapid singulation and inventory speeds up to 33% faster than standard Gen 2 chips. With enhanced read sensitivity (approximately -21 dBm) and extended read range, the M775 provides reliable performance in dense tag environments. The chip is optimized for integration into small form-factor inlays suitable for retail, supply chain, and asset tracking applications requiring high-throughput inventory operations.
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Typical Applications
Standards & Compliance
Frequently Asked Questions
What is the read sensitivity of the Impinj M775 RFID chip?
The Impinj M775 has a read sensitivity of approximately -21 dBm, providing extended read range compared to standard UHF RFID tag chips. This enhanced sensitivity enables reliable performance in challenging RF environments and dense tag populations.
How much memory does the Impinj M775 have?
The M775 contains 128 bits of EPC memory, 32 bits of User memory, 64 bits of TID (tag identifier) memory, and 32 bits each for Access and Kill passwords. The TID includes factory-programmed chip serialization for unique identification.
What is FastID technology in the Impinj M775?
FastID is Impinj's proprietary technology that enables rapid tag singulation and inventory operations up to 33% faster than standard EPC Gen 2 chips. This allows readers to identify more tags per second in high-density environments like retail stores.
What frequency does the Impinj M775 operate on?
The Impinj M775 operates in the UHF frequency range of 860–960 MHz, conforming to global RAIN RFID standards. This allows the chip to work across different regional UHF RFID bands worldwide.
Is the Impinj M775 compatible with EPC Gen 2 readers?
Yes, the M775 fully complies with EPC Class 1 Gen 2 (ISO/IEC 18000-63) protocol standards, ensuring compatibility with all standard RAIN RFID readers. The FastID feature is backward-compatible and works with Gen 2 infrastructure.
What security features does the Impinj M775 include?
The M775 includes a 32-bit access password for read/write protection, a 32-bit kill password for permanent tag deactivation, and factory-programmed TID memory for chip authentication and traceability.
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