https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
PET (PVC) Inlet

PET (PVC) Inlet

GID Technology Inc.
Region: Taiwan
Update: 03/27/2007
Key Specifications
RFID chip and coil antenna laminated in PET or PVC film

Mechanical dimensions:

Diameter:

;24.5, 26.5, 29.5mm ∮ 0.5 mm (125kHz)

;21.5, 24.5, 26.5, 29.5mm ∮ 0.5 mm (13.56MHz)

Thickness:

;0.65mm ∮ 0.05 mm (PET Inlet)

;0.8mm ∮ 0.05 mm (PVC Inlet)

Chip Type:

;Atmel series, EM series, Hitag series, I-code series, Mifare series

Electrical:

;LF operating frequency: 125kHz* ∮ 6kHz

;HF operating frequency: 13.56MHz Reader Standard (ISO/IEC 15693, ISO/IEC 14443)

Temperature** PET Inlet:

;Storage: -25C to +75C

;Operating: -25C to +75C

Temperature** PVC Inlet:

;Storage: -25C to +65C

;Operating: -25C to +65C

Material:

;PET or PVC with copper wire antenna and module

;Enclosure rating: IP65

Options:

;Adhesive backing

;Code printing

Packaging:

;Delivered in shrink wrapped foil and packed in a box

Type Number:

;PET-XX (PET Inlet, XX denotes IC)

;ISLW-XX (PVC Inlet, XX denotes IC)

*frequency adjustment 100kHz~150kHz

**DTUL (Deflection Temperature Under Load)

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions