Higgs-EC vs UCODE G2iL / G2iL+

Compare Higgs-EC (512-bit total, Sentinel self-correction, Dynamic Authentication) vs UCODE G2iL (EPC-only, Tag Tamper Alarm, 4R privacy). Both 860-960 MHz Gen2 v1.2.0.

Side-by-side specs

Frequency
Higgs-EC
840-960 MHz
UCODE G2iL / G2iL+
840 MHz to 960 MHz
Protocol
Higgs-EC
EPCglobal Gen2 (V1.2.0), ISO/IEC 18000-6C
UCODE G2iL / G2iL+
EPC Class-1 Generation-2 UHF RFID v1.2.0
Memory
Higgs-EC
512 bits total (128 bits EPC, 128 bits User, 80 bits Unique TID, 32 bits Access Password, 32 bits Kill Password)
UCODE G2iL / G2iL+
128-bit EPC, 64-bit TID (with 32-bit unique serial number), 32-bit kill password, 32-bit access password, 20 years data retention
Interface
Higgs-EC
RF (contactless UHF)
UCODE G2iL / G2iL+
RF (contactless), optional external supply mode via VDD pin (G2iL+)
Temp Range
Higgs-EC
-50°C to +85°C
UCODE G2iL / G2iL+
-40°C to +85°C
Form Factor
Higgs-EC
Die: 490 μm × 479 μm × 150 μm (±10 μm), bumped wafer on 8-inch UV tape mounted frame
UCODE G2iL / G2iL+
8" wafer (75 µm or 120 µm with 7 µm polyimide spacer), XSON6 (SOT886F1), FCS2 flip-chip strap (SOT1040-1 Cu/Al)
Security
Higgs-EC
32-bit Access Password, 32-bit Kill Password, 64-bit unique unalterable serial number, Block PermaLock, Dynamic Authentication anti-cloning technology
UCODE G2iL / G2iL+
32-bit access password, 32-bit kill password, bank-wise read protection (EPC and TID), Product Status Flag (PSF), Real Read Range Reduction (4R privacy mode), Tag Tamper Alarm…

Verdict

Choose Higgs-EC if you need expanded memory capacity and anti-cloning protection for item-level tracking, brand authentication, or applications requiring additional user data storage. The Higgs-EC provides 512 bits total memory including a dedicated 128-bit User memory bank for custom data storage, compared to the UCODE G2iL series which offers only the standard 128-bit EPC without User memory. Both operate across 840-960 MHz UHF range and comply with EPCglobal Gen2 v1.2.0 and ISO/IEC 18000-6C protocols. The Higgs-EC includes Sentinel self-correcting memory technology to maintain data integrity and Dynamic Authentication anti-cloning features that protect against tag duplication. Security on both chips includes 32-bit Access Password and 32-bit Kill Password, but the Higgs-EC adds Block PermaLock functionality and a full 64-bit unique serial number within its 80-bit TID, whereas UCODE G2iL provides only a 32-bit unique serial within its 64-bit TID. Choose UCODE G2iL or G2iL+ if you need privacy features, tamper detection, or battery-assisted operation for standard supply chain applications without extended user data requirements. The UCODE G2iL series offers Real Read Range Reduction (4R privacy mode) for consumer privacy protection and bank-wise read protection for EPC and TID memory, features not available on the Higgs-EC. The G2iL+ variant specifically adds Tag Tamper Alarm capability to detect physical interference and an optional external supply mode via a VDD pin for sensor integration or extended read range applications. Both UCODE variants guarantee 20-year data retention and include a Product Status Flag for supply chain state management. While lacking the 128-bit User memory of the Higgs-EC, the UCODE G2iL series provides sufficient memory for standard EPC encoding in retail, logistics, and document tracking where the 128-bit EPC bank meets identification needs and privacy/tamper features add operational value.

FAQ

What is the main memory difference between Higgs-EC and UCODE G2iL?

Higgs-EC provides 512 bits total memory including a dedicated 128-bit User memory bank for custom data, while UCODE G2iL offers 128-bit EPC memory with no User memory bank. Both include standard TID, Access Password, and Kill Password banks as per EPC Gen2 v1.2.0.

Which chip has better anti-cloning and authentication features?

Higgs-EC includes Dynamic Authentication anti-cloning technology and a full 64-bit unique serial number within its 80-bit TID for product authentication. UCODE G2iL has a 32-bit unique serial in its 64-bit TID but focuses on privacy features like 4R Read Range Reduction rather than authentication.

Does UCODE G2iL+ support battery-assisted operation?

Yes, the G2iL+ variant includes an optional external supply mode via a VDD pin, enabling battery-assisted passive (BAP) operation for extended read range or sensor integration. The standard G2iL and Higgs-EC are purely passive tags without external power support.

Sourcing Higgs-EC or UCODE G2iL / G2iL+ in volume?

Roxtron builds custom RFID and NFC products around both Higgs-EC and UCODE G2iL / G2iL+. Tell us your project — quantities, form factor, timeline — and we'll come back within 24 hours with pricing and lead times.