- battery operated (no problem if the lifetime is only 1 year)

- no mechanical switch to activate antenna (so no magnetic switch)

- value on the card have to be subtracted liter per liter from the card

- shouldn't take too long before the water meter reacts if a card is held in front of the reader.



公用射频IC卡水表 （一表多卡、多用户）

1. 电池供电。至少一年以上。

2. 非机械触发射频天线（非磁阀）

3. 用户消费从卡内值减除使用的升数。

4. 用户刷卡水表反应快，不能等太长时间

并尽快报价试单250~300pcs、能否提供样品？

罗生 davidasia@126.com QQ:23270215