The UCODE EPC G2 IC is a dedicated chip for passive, intelligent tags and labels supporting the EPCglobal class 1 gen2 standard. It is especially suited for supply chain management and logistics applications where operating distances of several meters and high anti-collision rates are required.
Key features
• Interface fully compatible with UHF EPC G2 standard
• Long-range solutions (up to 7 m in the US and 6.6 m in Europe)
• Suitable for UHF RFID, allowing one tag to be used worldwide
• Fast data rate
- forward link: 40 - 160 kbits/s
- return link: 40 - 640 kbits/s
• Multi-label operation at 600 tags/sec in Europe, 1600 tags/sec in the US
• 512 bits of on-chip memory
- 96 bits EPC
- 32 bits Tag Identifier
- 128 bits programmable user memory
- 32 bits access password
- 32 bits kill password
• Runs on the same hardware infrastructure as the UCODE HSL and the UCODE EPC1.19
Key benefits
• Tags / labels and readers available from various suppliers
• First UHF EPC product operating worldwide
• Highly advanced anti-collision and highest identification speed
• Reliable and robust RFID technology suitable for dense reader and noisy environment
• Secure UHF communication; readers do not transmit EPC data
• Broadest industry back-up – EPCglobal and ISO 18000-6C
• Reader portfolio covers all regional demands
The UCODE EPC G2 IC is the first UHF EPC product from Philips. Designed specifically for long-range applications, the entire UCODE family also offers anti-collision and collision arbitration functionality. This allows a reader to simultaneously operate multiple labels / tags within its antenna field.
A UCODE EPC G2 based label / tag requires no external power supply. Its contactless interface generates the power supply via the antenna circuit by propagative energy transmission from the interrogator (read/write device), while the system clock is generated by an on-board oscillator. Data transmitted from interrogator to label / tag is demodulated by the interface, and it also modulates the interrogator’s electromagnetic field for data transmission from label / tag to interrogator.
A label / tag can be operated without the need for line of sight or battery, as long as it is connected to a dedicated antenna for the targeted frequency range.When the label / tag is within the interrogator’s operating range, the high-speed wireless interface allows data transmission in both directions.

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