Water Meter Prepaid Card

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    The date of payment from buyers deliver within days

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    Long-term effective

  • Last update:

    2017-10-22 18:43

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Company Profile

Hangzhou Laison Technology Co.,Ltd

By certification [File Integrity]







Website:http://www.laisonmeter.com/ http://laichen.lnvtesting.com/


Mifare S70 Contactless Card

1. MIFARE RF Interface (ISO/IEC 14443A)

1.1 Contact less transmission of data and supply energy (no battery needed)
1.2 Operating distance: Up to 100 mm (depending on antenna geometry)
1.3 Operating frequency: 13.56 MHz
1.4 Fast data transfer: 106 kbit/s
1.5 High data integrity: 16 bit CRC, parity,bit coding, bit counting
1.5 true anti-collision
1.7 Typical ticketing transaction: <100 ms (include backup management


2.1 1 Kbyte (S50 Card) 4 Kbyte (S70 Card),organised in 32 sectors with 4 blocks and 8 sectors with 16 blocks (one block consists of 16 bytes)
2.2 User definable access conditions for each memory block
2,3 Data retention of 10 years
2,4 Write endurance 100.000 cycles

3. Security

3.1 Mutual three pass authentication (ISO/IEC DIS9798-2)
3.2 Data encryption on RF-channel with replay attack protection
3.3 Individual key set per sector (per application) to support muti-application with key hierarchy
3.4 Transport key protects access to EEPROM on chip delivery


Company information

We Hangzhou LAISON technology Co. Ltd. was founded in 2012, and we are a professional manufacturer of intelligent water meters ,gasmeters and Meter Test Equipment,with the capacity of product development, casting, testing and assembling. 

why choose us?
1.Price and Quality.With Competitive Price and High Quqlity
2.Delivery time: Within 35 days after receipt of L/C or T/T
3.Service:We will make sure the production,transportation and documents proceed smoothly,and keep you always informed. 

Pre-Sales Service

* Inquiry and consulting support. 

* Sample testing support. 

* View our Factory. 

After-Sales Service

* Training how to instal the machine, training how to use the machine. 

* Engineers available to service machinery overseas. 

*All-round service for customers,our work is not only a quick  help solve the difficulty of products in use,and more importantly,we contact the clent from the start,had been as part of the customer,on the interests of the customers own responsibility,to achieve mutually beneficial win-win is our eternal pursuit.