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  UCODE G2XM card
The UHF EPC global Generation 2 standard allows the commercialized provision of mass adoption of UHF RFID technology for passive smart tags and labels. Main fields of applications are supply chain management and logistics for worldwide use with special consideration of European, US and Chinese frequencies to ensure that operating distances of several meters can be realized.

The G2X is a dedicated chip for passive, intelligent tags and labels supporting the EPCglobal Class 1 Generation 2 UHF RFID standard. It is especially suited for applications where operating distances of several meters and high anti-collision rates are required.

The G2X is a product out of the NXP Semiconductors UCODE product family. The entire UCODE product family offers anti-collision and collision arbitration functionality. This allows a reader to simultaneously operate multiple labels / tags within its antenna field. UCODE G2X based label/ tag requires no external power supply.

Its contact-less interface generates the power supply via the antenna circuit by propagative energy transmission from the interrogator (reader), while the system clock is generated by an on-chip 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.

In addition to the EPC specifications the G2X offers an integrated EAS (Electronic Article
Surveillance) feature and read protection of the memory content. On top of the specification of the G2XL the G2XM offers 512-bit of user memory.

Features and benefits:
 > Key features
   - 512-bit user memory (G2XM only)
   - 240-bit of EPC memory
   - 64-bit tag identifier (TID) including 32-bit unique serial number
   - Memory read protection
   - EAS (Electronic Article Surveillance) command
   - Calibrate command
   - 32-bit kill password to permanently disable the tag
   - 32-bit access password to allow a transition into the secured transmission state
   - Broad international operating frequency: from 860 MHz to 960 MHz
   - Long read/write ranges due to extremely low power design
   - Reliable operation of multiple tags due to advanced anti-collision
   - Forward link: 40-160 kbit/s
   - Return link: 40-640 kbit/s

 > Key benefits
   - High sensitivity provides long read range
   - Low Q-factor for consistent performance on different materials
   - Improved interference suppression for reliable operation in multi-reader environment
   - Large input capacitance for ease of assembly and high assembly yield
   - Highly advanced anti-collision resulting in highest identification speed
   - Reliable and robust RFID technology suitable for dense reader and noisy environments

 > Custom commands
   - EAS Alarm
     Enables the UHF RFID tag to be used as EAS tag without the need for a backend data base.
   - Read Protect
     Protects all memory content including CRC16 from unauthorized reading.
   - Calibrate
     Activates permanent back-scatter in order to evaluate the tag-to-reader performance.
 > Supply chain management
 > Item level tagging
 > Asset management
 > Container identification
 > Pallet and case tracking
 > Product authentication
  adobe reader logo   UCODE G2X chip datasheet
85.6×54×0.84-1.8 mm
offset, silk-screen
Matt / Glossy / Frosted
0℃ ~+60℃
6 grams
200 or 250 pcs/box, or on request
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