Product Introduction:

T5577 Key fob is small and exquisite in appearance, waterproof, moistureproof, shockproof, easy to carry, easy to use, very

Suitable for 1. In terms of cartoon payment, as long as the keychain card string is hung on the key, it will not appear that you forget your wallet.

It is especially suitable for consumption in the area. A series of operations such as recharge and balance inquiry can be done through the network.


Complete model

Multi-color optional

Mini miniature can be used as a pendant, hang on the phone keychain

On the bracelet on the necklace.


Enterprise/Campus–Cartoon, Bus Stored Value Card, Expressway Roads, parking lots, community management/animal management areas, etc.

Product Parameters:

Product name T5577 Key Fob
Size 40*32mm
Chip TK4100
Frequency 125Khz
Protocol ISO7814/5
Working life 100,000 times
Working temperature -20℃~70℃
Working model Passive no battery
Readding distance 2~5cm
Memory 363 bits

T5577 Key Fob




Carton size:38*20*28cm


T5577 Key Fob

How to Use T5577 Key Fob:

Read ID card/keyfob (TK4100/EM4100,etc.)

Write ID can be copied to the card/keyfob (T5577/EM4305 etc.)


Provide free samples: All products in our store are 100% real shooting,

Factory direct sales, quality guaranteed. If you are concerned about the quality of our products,

If there are concerns about color difference, size, etc., we can provide free sample service, and customers only need to pay for the freight.


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