Pictures of Qin Bin’s high-altitude certificate, network access certificate, and electrician certificate of Guangxi Hechi Chuangyuan Company (front and back images)

The electrician's certificate here specifically refers to the electrician's special operation certificate, which only has one IC card.

IC card introduction:

Card base material: PVC.

Chip model: MF1 S50.

Specifications: 85.5×54 mm2, thickness 0.8mm.

Surface printing: The shading is the English abbreviation of the State Administration of Work Safety "SAWS", printed in light green. The font and color of the fixed information are shown in the layout diagram.

Special printing: Fluorescent anti-counterfeiting printing on the front, with the words "State Administration of Work Safety".

Front

1.2 IC card protective cover

Material: PVC soft film.

Specification: 91.5×60.5 mm2.

Surface printing: The following text is printed in light gray: "This card is a valid qualification certificate for special operations. Please keep it properly to prevent bending, moisture and strong electromagnetic fields."

Production requirements: Set the size difference on both sides of the card sleeve opening to facilitate the removal of the IC card.

1.3 Laser review label specifications: 29×8 mm2.

Printing: Print the emblem of the State Administration of Work Safety and the words "Qualified Production Supervised by the State Administration of Work Safety".

2 IC card standard

Using MF1 S50 contactless IC card, complying with ISO/IEC 14443A protocol standard.

2.1 Technical Parameters

Wireless data transmission and power supply (no batteries required).

Operating distance: 100mm and below.

Back side

Communication frequency: 13.56MHZ.

Data transmission speed: 106Kbit/s.

High data integrity: 16-bit CRC check, parity check, bit encoding, bit counting.

Typical transaction time: less than 200ms (including backup management time).

Anti-collision function for multi-card operation.

2.2 Memory