Updated: 16 Feb 2025

rfid keyfob tk4100 em4100s

Updated: 16 Feb 2025

#1

Best Choice
100pcs RFID Tag 125KHz Keys 11 Color TK4100 EM4100 Proximity Keyfobs Tags RFID Card for Access Control (Read-only)

9.8

dytcfly

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Main highlights

Supports formats up to 85 bits, with over 137 billion codesRFID/HID/T5577/CET5577/EM4100/TK4001/EM4001/TK4100/ISO11784/11785/ISO FDX-B /Manchester/FSK/PSK/NRZ etc.

Small enough to fit on a key ring

Provides an external number for easy identification and control Can be placed on a key ring for convenient entry
#2

Value for Money
Proximity RF^ID Card,125khz Tk4100 Em4100 Hotel Access Token Keyfob Key Keychains Em Thin Card Read Only for Keyless Entry Access Control Systems (100)

9.6

BOMFLORE

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Main highlights

Type: 125khz EM4100 Thin rfid card , Material : Plastic, PVC Card

Standard : EM4200,EM4100;Reader Distance : 2-10cm,depends on the reader and environment

RFID type only,only compatible with the RFID 125Khz Card Reader.Proximity cards EM4100 is a great solution for access control and time attendance systems, which do not require very high security level.
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#3
YARONGTECH Proximity EM4100 TK4100 125KHz RFID ID Card Tag Token Key Chain Keyfob Read Only Color Blue Pack of 100

9.5

YARONGTECH

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Main highlights

RFID Tag
#4
LEXI 100pcs 125KHz Proximity ID Card RFID Keyfobs Token Tag for Door Entry Access Control System TK4100/EM4100 ABS Key fob Cards for Security Lock Wholesale(100 Blue ID)

9.3

Lexi

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Main highlights

3.Suitable for 125KHz card reader and reading distance is 0-10cm.

2.Each key fob has already pre-programmed with a unique ID number, you can not re-program it.

1.This one is 125KHz RFID key tags proximity ID key fob. If you want to add them to your lock system, please ensure that your system uses the same frequency of unencrypted 125KHz.
#5
YARONGTECH rfid key fob 125khz Em4100 Read Only -100pcs (Grey)

9.2

YARONGTECH

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Main highlights

it's normal ID 125KHZ Keyfob,not H ID Keyfob,so it can't work with H ID reader

all the chip has pre-programmed with Unique ID Number,but UID can't change,UID is pre-printed on the keyfob

125khz EM4100 Chip,Read Only,can't rewritable,If you need rewritable Keyfob,please contact with us
#6
50pcs/Lot TK4100 EM4100 RFID Keychain Card Tag Key 125khz ID Keyfob Access Control Time Attendance Fob Token Ring(Purple)

9.1

dytcfly

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Main highlights

Supports formats up to 85 bits, with over 137 billion codesRFID/HID/T5577/CET5577/EM4100/TK4001/EM4001/TK4100/ISO11784/11785/ISO FDX-B /Manchester/FSK/PSK/NRZ etc.

Small enough to fit on a key ring

Provides an external number for easy identification and control Can be placed on a key ring for convenient entry
#7
Generic RFID LF EM4100 Token KeyFobs Tags Compatible 125kHz TK4100 ID Reader and Drivers for Entry Door and Security Lock Key Cards,Read only (30)

9.0

Generic

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Main highlights

RFD LF chip: The EM4100 chip is used, which is a dedicated ID card chip with unique technical characteristics, such as the carrier frequency of 125KHZ (THRC12).

Note: The ID/EM4100 keyfob only read, Not the card number. The card number is locked and needs to be authorized by a 125kHz card reader to use it.(Before use, please note whether the system you are using is a 125kHz unencrypted ID card)

Card Number: Each card is pre-programmed with a unique ID number, and the first 10 numbers are engraved on the card.(The number of each card is unique and will not have the same number)
#8
20Pcs/Lot 125Khz EM4100 TK4100 RFID Tag Key Fob Keyfobs Keychain Ring Token Proximity ID Card Chip for Access Control Attendance(Pink)

8.7

dytcfly

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Main highlights

Supports formats up to 85 bits, with over 137 billion codesRFID/HID/T5577/CET5577/EM4100/TK4001/EM4001/TK4100/ISO11784/11785/ISO FDX-B /Manchester/FSK/PSK/NRZ etc.

Small enough to fit on a key ring

Provides an external number for easy identification and control Can be placed on a key ring for convenient entry
#9
Blue 100pcs 125Khz Proximity ID Card Chip TK EM 4100 RFID Tag Key Fob Keyfobs Keychain Ring Token for Access Control

8.6

MENGQI-CONTROL
#10
RFID Reader Writer, Handheld ID Card Copier, Readable 125khz EM4100 Chip Card Including Key-fob 6pcs, for Community, School, Office

8.5

Thincol

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Main highlights

Only ''Read'' and ''Write'' two buttons, easy to operate, You can copy all ID(EM4100) cards with this RFID copier.

Mini-type handheld mold, ergonomic characteristics, easy to carry

Adopting advanced chip, product integration is higher, more stable and reliable

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rfid keyfob tk4100 em4100s

100pcs RFID Tag 125KHz Keys 11 Color TK4100 EM4100 Proximity Keyfobs Tags RFID Card for Access Control (Read-only)

9.8

Main highlights

Proximity RF^ID Card,125khz Tk4100 Em4100 Hotel Access Token Keyfob Key Keychains Em Thin Card Read Only for Keyless Entry Access Control Systems (100)

9.6

Main highlights

YARONGTECH Proximity EM4100 TK4100 125KHz RFID ID Card Tag Token Key Chain Keyfob Read Only Color Blue Pack of 100

9.5

Main highlights

LEXI 100pcs 125KHz Proximity ID Card RFID Keyfobs Token Tag for Door Entry Access Control System TK4100/EM4100 ABS Key fob Cards for Security Lock Wholesale(100 Blue ID)

9.3

Main highlights

YARONGTECH rfid key fob 125khz Em4100 Read Only -100pcs (Grey)

9.2

Main highlights

50pcs/Lot TK4100 EM4100 RFID Keychain Card Tag Key 125khz ID Keyfob Access Control Time Attendance Fob Token Ring(Purple)

9.1

Main highlights

Generic RFID LF EM4100 Token KeyFobs Tags Compatible 125kHz TK4100 ID Reader and Drivers for Entry Door and Security Lock Key Cards,Read only (30)

9.0

Main highlights

20Pcs/Lot 125Khz EM4100 TK4100 RFID Tag Key Fob Keyfobs Keychain Ring Token Proximity ID Card Chip for Access Control Attendance(Pink)

8.7

Main highlights

Blue 100pcs 125Khz Proximity ID Card Chip TK EM 4100 RFID Tag Key Fob Keyfobs Keychain Ring Token for Access Control

8.6

RFID Reader Writer, Handheld ID Card Copier, Readable 125khz EM4100 Chip Card Including Key-fob 6pcs, for Community, School, Office

8.5

Main highlights

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