How to Copy a Key Fob: Easy Steps to Duplicate Your Access Card

Losing or needing a spare key fob can be a major headache. Key fobs use RFID or NFC technology to unlock doors and grant access, making them essential for many. This blog will show you how to copy a key fob step-by-step, saving time and effort.

Keep reading—you’ll thank yourself later!

Key Takeaways

• Key fobs use RFID or NFC tech to grant access. RFID allows one-way communication, while NFC enables two-way data exchange.
• Copying an RFID key fob involves using a copier, scanning the original, and transferring data to a blank tag. Blank tags cost just a few dollars.
• Smartphone apps like ButterflyMX can replace physical key fobs by enabling mobile access control with virtual keys or RFID stickers.
• Unauthorized copying of key fobs may break contracts or laws—for example, federal copyright rules may apply to encrypted devices. Always get permission first.
• Costs for duplication vary: basic copies cost $20 online, but car fobs (e.g., BMW) can cost up to $1,020 for professional cloning services.

A key fob is small, but it holds big responsibility. It uses modern tech like RFID or NFC to control access and keep things secure. A key fob provides convenience and peace of mind, acting as a digital gatekeeper for vehicles and buildings alike. However, when technology fails, knowing backup methods can make all the difference. For instance, most cars have a hidden way to unlock car with dead key fob, ensuring you're not stranded in an emergency. A lost or malfunctioning key fob can disrupt your day, making it crucial to ensure it works reliably at all times. For those experiencing issues, researching key fob programming tips can help you regain functionality without a costly visit to the dealership. Proper maintenance, like replacing the battery regularly, also extends its lifespan and keeps your security intact. Whether it's for a car, office, or apartment, a key fob ensures only authorized individuals can gain entry. Losing one, however, can lead to inconvenience and security risks. Thankfully, there are various key fob replacement options available, ranging from manufacturer-provided solutions to third-party services, making it easier to restore access swiftly.

What’s a Key Fob?

Key fobs are small devices used to access secured spaces. They rely on radio frequency identification (RFID) or near-field communication (NFC) technology. These tools send signals to readers, unlocking doors or granting entry.

Common in apartments, offices, and garages, they replace traditional keys for easier access.

Many have buttons that lock or unlock doors, like car remotes. Others are simple keycards with embedded RFID chips scanned by a reader. These systems track usage, adding security to properties.

Key fobs can be copied using blank tags but may pose risks if cloned without permission.

Types of Key Fobs: RFID and NFC

RFID and NFC key fobs are common in access control systems. Both use wireless technology, but they work differently. Here’s a breakdown:

1. RFID Key Fobs
   • RFID stands for Radio-Frequency Identification.
   • These fobs allow one-way communication with readers. They only send a signal but don’t receive it.
   • Common frequencies include 125 kHz (low-frequency) and 13.56 MHz (high-frequency). For example, a 125 kHz fob is often used in apartment buildings or offices.
   • Cheap to copy using an RFID copier, which costs $20-$50 online or at hardware stores. The blank fobs themselves are sold for just a few dollars each.

    

2. NFC Key Fobs
   • NFC means Near Field Communication, which allows two-way data exchange between devices.
   • These fobs can store more information than RFID ones and operate at the same 13.56 MHz frequency as high-frequency RFID fobs.
   • Smartphones often have built-in NFC capabilities, making them useful replacements for physical keys or cards through mobile access control apps like keyless entry systems.

Copying a key fob isn't always straightforward. Costs can add up, and some rules might surprise you.

Is Copying Fobs Illegal?

Duplicating a key fob without permission can break rules or laws. Some apartment buildings, condos, or workplaces forbid it in their contracts or leases. Federal copyright laws may also apply to encrypted fobs.

Unauthorized copying could lead to penalties like eviction, fines, or even legal action.

The risks don’t stop there—security concerns are huge. Copying access cards and key fobs without approval might compromise property safety. Always get the property owner's consent before cloning a proximity key or RFID card.

"Unauthorized copying of electronic keys is not just risky—it’s often against the law."

Typical Costs Involved

Copying a key fob can cost anywhere from budget-friendly to jaw-dropping, depending on what type of fob you're dealing with. Here's a quick breakdown of the costs to help you plan before you spend a cent.

Costs vary wildly. Regular access cards are cheaper than automotive fobs. Professionals charge a premium for complex copies. Most online services, like KeyMe, keep prices low, often around $20. Car fob duplication? That’s a different animal. Manufacturers like BMW or Audi can charge hundreds. Discover the professional techniques used by car key locksmiths to duplicate access cards and key fobs efficiently and securely.

Next, let’s see how to copy these fobs yourself.

Copying a key fob might sound tricky, but it’s simpler than you think. With the right tools and steps, you can get an extra copy made in no time.

Copying an RFID Key Fob

Copying an RFID key fob can be simple. You just need a few tools and steps to get started.

1. Turn on the RFID copier. Make sure it has batteries or is plugged in.
2. Hold your original key fob against the device. Press the “Read” button on the copier.
3. Wait for a beep sound. This means the copier successfully scanned your key fob's data.
4. Place a blank key fob or tag on the copier. These tags are easily available online or at tech stores.
5. Press “Write” on the copier. The data from your original fob will transfer to the blank one.
6. Test your copied key fob immediately at an access point, like your apartment keypad or office door lock.
7. If using an RFID writer, repeat similar actions: press “Read,” confirm beeps, and then press “Write” with another tag.
8. Delivery times if you use online copying services can take 2-5 business days for a mailed duplicate key card.
9. Always keep spare blanks handy for backup purposes in case you lose one of your new fobs later!
10. Note that certain HID cards or encrypted fobs might not be possible to copy without specialized equipment or help from locksmiths who offer cloning services!

Using Your Smartphone as a Key Fob

Switching from a physical key fob to your smartphone can be simple. Smartphones offer convenience, especially with modern access control systems.

1. Attach an RFID Sticker
   

   Add an RFID sticker to your phone. This lets your phone work like an RFID key fob. These stickers are small, easy to place on the back of your phone, and sold online or at electronics stores.

2. Use a Mobile Access Control App
   

   Some apps turn your smartphone into a virtual key. ButterflyMX is a popular choice; it links with over 80 smart lock models. It also keeps entry logs and offers temporary delivery passes.

3. Get Help Setting It Up
   

   Ask your building or office if they use mobile access systems. You may need to provide details like your email address or serial number linked to the existing fob.

4. Enable NFC on Your Phone
   

   Enable Near Field Communication (NFC) in settings for phones that support it. NFC makes it possible to interact with certain proximity key locks seamlessly.

5. Upgrade With Virtual Keys
   

   Switch to virtual keys if compatible with the system in place. Virtual keys work through apps, require no physical tags, and can expire after use for added security.

Smartphones bring flexibility when replacing or duplicating traditional cards and fobs!

Making a copy of your key fob doesn’t have to be challenging. With the right tools or services, you can get it done quickly. Always follow the rules and consider security risks. Whether using an RFID copier or your smartphone, maintain control of your access cards.

A bit of caution can make a big difference!

1. How can I duplicate a key fob or access card?

To duplicate a key fob, you need a handheld key fob copier or access to online key copying services. You’ll also need an empty tag to store the copied data.

2. Is it legal to copy my key fob?

Copying certain key fobs may be illegal depending on local laws and the type of lock system. Contact the manufacturer or check regulations before proceeding.

3. What tools are needed for cloning proximity key fobs?

You might use an RFID reader, a blank tag, and sometimes even your mobile phone with specific apps designed for this purpose.

4. Are there risks involved in copying a door access card?

Yes, there’s always potential security risk when duplicating access cards or using cloned devices with encryption that could leave systems vulnerable.

5. Can locksmiths help me get a new working key fob made?

Some locksmiths specialize in locksmithing services like duplicating transponder keys and smart cards, but not all handle advanced electronic systems like mobile access control.

6. Where can I find companies offering remote duplication of my existing fob?

Many online retailers and kiosks provide remote duplication services where you mail your original device to have your new one created safely through USPS or similar carriers.

Get Expert Help for Your Car Keys Today

For fast and reliable automotive locksmith services, contact Amit Keys at 1300 135 672. Visit us or call now for expert solutions!