GeZhi Electronic Co.Ltd.

GeZhi Electronic Co.Ltd.

Products Category
Contact Us

Name: Michael
Tel: +86-13113330725
Fax: +86-13113330725
Mobile: +86-13113330725
Add: JinKe industry DaShi PanYu District GuangZhou City China
Skype: gezhitech007
QQ: 1074079485
MSN: SKYPE: gezhitech007 QQ: 1074079485

EM4100 card . Keyfob . Tag (100PCS)

EM4100 card . Keyfob . Tag (100PCS)
Product name : EM4100 card . Keyfob . Tag (100PCS)
Item : EM4100-card
Price : 26
Details :

EM4100 card . Keyfob . Tag

Price: $26 US Dollar for 100 PCS




1. EM4100 thin card

2. EM4100 thick card

3. EM4100 keyfob-01

4. EM4100 keyfob-02

5. EM4100 PVC circle tag

6. EM4100 PVC Disc Tag

7. EM4100 silicone wristband

Price: $200 US Dollar of 100 PCS

8. EM4100 Pigeon Ring




The TK4100 contactless cards SMC4100 IC based on a roller connected with a few laps, which are then embedded in plastic. No batteries required. This map is read-only, 40-bit unique number in the Manchester code. 
TK4100 is compatible EM4100. These cards are primarily used in access control, logistics automation, anticounterfeiting, industrial transponder.

Technical Specifications :

Product ID :

PVC EM4100 ID Card/RFID card

Operation Frequency



EM4100 compatible


read only


64k byte read only

Read range


Size (thin card)

85 x 55 x 0.8 mm

Size (thick card)

85 x 55 x 1.8 mm

Size (keyfob-01)

40 x 32 x 4 mm

Size (keyfob-02)

44 x 30 x 5 mm

Size (PVC circle tag)

25 x 1 mm

Size (Disc Tag)

30 x 4 mm

Size(silicone wristband)

Diameter 62mm/66.5mm/70mm

Size(Pigeon Ring)

Diameter 20mmx15mmx11mm




high quality PVC

Operation Temperature

-40°C to 85°C

Pre-programmed with unique 10-digit ID number in each card

Compatible with all ID door access devices or ID reader

Contactless transmission of data and supply energy

Ideal for use in ID and access control

With card ID printing

High Quality with low price

TK4100/EM4100  Key Features:

• 64 bit memory array laser programmable

• Several options of data rate and coding available

• On chip resonance capacitor

• On chip voltage limiter

• Full wave rectifier on chip

• Large modulation depth due to a low impedance modulation device

• Operating frequency 100-150 KHz

• Very small chip size convient for implantation 



• Very low power consumption 

Options available on request:

Offset Printing / Silkscreen Printing / Encoding / Thermal Rewritable Film / Ultra Violet Printing / Micro Seal / Micro Text / Hologram / Laser Engraving / Signature Panel / Scratch Panel / SIM Punch / Magnetic Stripe


Package List


EM4100 thin card / thick card / keyfob / Tag x 100 PCS


About Shipping


We will dispatch the items when received the payment.

Shipping time and cost(for reference only):
USD8    for   China post air mail:               20 business days or more     
USD28  for   DHL or EMS:                        about 5 bussiness days                     

Express company need the following information to delivery a parcel:

Phone number:
Post code:


Payment Method Accepted

We accept Paypal, WireTransfer and Wester Union payment.
Please contact us for payment.

  Contract us 

E-mail: or
Phone: +86-013113330725


Return & Replacement Terms & Conditions

Buyer can return the item in the original package within 7 days upon receiving if you are not happy with it. We will refund you or send replacement to you within 3 working day after the item is received. 

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