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![](https://ae01.alicdn.com/kf/S845281959f8141a1b27858a154232710h/2000pcs-TM1990A-DS1990A-DS1990-F5-iButton-I-TM.jpg) ![](https://ae01.alicdn.com/kf/S24be2824ecab4716a29828f0a76c987fM/2000pcs-TM1990A-DS1990A-DS1990-F5-iButton-I-TM.jpg) ![](https://ae01.alicdn.com/kf/Sd100b3adb9ec48af9d3e0acca1dcef32a/2000pcs-TM1990A-DS1990A-DS1990-F5-iButton-I-TM.jpg) ![](https://ae01.alicdn.com/kf/S1a4613f6f6c841518cc857bdb11ad1a0E/2000pcs-TM1990A-DS1990A-DS1990-F5-iButton-I-TM.jpg) aHR0cDovL2ZyZWVzaGlwLmNvLmty![](https://ae01.alicdn.com/kf/S845281959f8141a1b27858a154232710h/2000pcs-TM1990A-DS1990A-DS1990-F5-iButton-I-TM.jpg) ![](https://ae01.alicdn.com/kf/S24be2824ecab4716a29828f0a76c987fM/2000pcs-TM1990A-DS1990A-DS1990-F5-iButton-I-TM.jpg) ![](https://ae01.alicdn.com/kf/Sd100b3adb9ec48af9d3e0acca1dcef32a/2000pcs-TM1990A-DS1990A-DS1990-F5-iButton-I-TM.jpg) ![](https://ae01.alicdn.com/kf/S1a4613f6f6c841518cc857bdb11ad1a0E/2000pcs-TM1990A-DS1990A-DS1990-F5-iButton-I-TM.jpg) ![](https://ae01.alicdn.com/kf/Sdafa8c28b81c46dda456d733f0f736edM/2000pcs-TM1990A-DS1990A-DS1990-F5-iButton-I-TM.jpg)
- ºê·£µå À̸§: Rodanliu
- ±Ù¿ø: CN (Á¤Ç°)
- ¸ðµ¨ ¹øÈ£: DS1990A
2000pcs TM1990A button + 2000pcs information button base=2000 set TM1990A button with base Product Name: TM card (including deck) Specifications: Diameter 16.25 * 5.89M deck: 49 * 31MM Product Name: Handle TM card ? Chip: TM1990A-F5 ? Dimensions: Diameter 16.25 * 5.89M Operating temperature: -40 to 85 degrees. ? Write: 15 million times or more ? Operating temperature -40 C?~ + 85 C ? Reading times> 350,000 times ? Life> 20 years ? Weight 2.5g ? Lock principle: open the door, lock the electronic control system to verify the TM stored in the card 62 password to keep password are the same. Same to open the door, do not do different reactions. Alarm if a certain number of consecutive attempts numeric string. There is also 264 2 TM card is different. ? Function: waterproof, anti-vibration, anti-corrosion shell is made of 304 stainless steel, never rust, the internal use of the original wafer chip, globally unique 64-bit serial number, family code 01, universal use without any restrictions. Use of environmentally friendly materials POM plastic handle pressed, high temperature resistance, good toughness folding, composition and stability. ? Application: applied intelligence community, various inspection systems postal services, railways, fire, electricity, cable, chemical, oil, etc., and hotels, school dormitories TM locks, TM water meters, TM and TM meter gas meter. ? Read only
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