Problem & Solution
Losing an access key fob or needing extra duplicate keys for family, guests, or staff often leads to unnecessary stress and overpriced service fees from building management or locksmiths. Waiting days for costly replacement tokens leaves you stranded or relying on shared keys.
The 10pcs 125KHz T5577 Rewritable Keyfob set eliminates this hassle by offering a quick, affordable solution for key duplication. Designed with versatile T5577 microchips, these tags allow you to easily copy existing low-frequency 125KHz door access cards and key fobs using a handheld RFID duplicator.
Having a pack of blank rewritable tokens on hand gives you complete control over your building security needs. You can clone, re-program, and assign replacement keychains instantly, ensuring seamless entrance to your home, office, or gated community without overpaying.
Who Is It For?
This product is ideal for landlords, property managers, office administrators, and security professionals who regularly handle access permissions and need bulk key tokens. It is also well-suited for tech-savvy homeowners and apartment renters wanting cheap backup keys for family members or vehicle gate entry.
Key Features
- T5577 Rewritable ChipsetAllows continuous overwrite and re-programming capabilities whenever access rights change
- 125KHz Operating FrequencyEnsures broad compatibility with standard low-frequency RFID copiers and EM4100 formats
- Durable ABS HousingResists physical wear, minor impacts, and everyday moisture to protect the internal copper coil
- Integrated Keyring LoopEasily attaches to existing key sets so backup access tokens are always accessible
- 10-Piece Bulk PackSupplies ample spare tokens for family, employees, or property management at minimal cost
- 0-5cm Sensing DistanceDelivers swift, touchless unlock responses at door readers and security gates
Pros & Cons
Pros
- Extremely cost-effective 10-piece bundle for key duplication
- Rewritable T5577 chips allow repeated programming cycles
- Rugged and lightweight ABS casing suitable for everyday pocket carry
- Compatible with most standard 125KHz handheld RFID writers
Cons
- Requires a separate 125KHz RFID writer/cloner device to burn data
- Not compatible with high-frequency 13.56MHz IC cards or NFC devices
FAQ
No, T5577 keyfobs are blank rewritable tags designed specifically to be programmed or cloned using a 125KHz RFID card copier.
No, these operate strictly on the 125KHz low-frequency band and will not work with 13.56MHz high-frequency IC or NFC systems.
T5577 chips typically support up to 100,000 rewrite cycles, providing long-term reusability for various access systems.
No, they are passive RFID tokens powered inductively by the radio frequency field emitted by the card reader.
Final Verdict
The 10pcs 125KHz T5577 Rewritable RFID Keyfob pack is an outstanding, practical solution for anyone requiring reliable key duplication on a budget. Offering stable chip re-writability, robust water-resistant construction, and broad 125KHz system compatibility, this 10-piece set provides exceptional value and peace of mind for home and workplace access control.