50piece/lot Rewritable Touch Memory Key TM RW1990 IB Button

TM card IC chip seal in stainless steel shell, waterproof, shockproof, anti-corrosion, durable, without wiring; TM card is passive components, by reading and writing equipment power supply read information; Built-in laser upon a 64 - bit binary code, code number is 280 trillion; TM card chip esd protection function cannot reproduce and uniqueness.

Technical indicators:

. The average failure: normal use 1/100000 time

Manufacturer's serial number: the only 64 - bit number

. The system logic: 64 password protection

Storage: 8 kbits RAM

. Read card way: touch type

. Reading and writing features: can be read to write

. Read and write times: more than 1.5 billion times

Working temperature: - 40 ~ + 85

Read number: > 350000 times

Service life: > 20 years

TM card installation dimensions: phi 16.25 mm x 6 mm

Product weight: 0.05 kg

Lock principle: when I opened the door, lock the electric control system of TM card verification saved 64 passwords and password are the same. The same then open the door, don't do different reaction. When trying to a certain number of consecutive digit string alarm, also is the 64 TM card has 2 is different.

. Areas of application: used in intelligent residential area, postal, railway, fire, electricity, cable television, chemical industry, oil field and other inspection system and the hotel door lock, TM, school dormitory TM water meter, gas meter TM meters and TM, etc