# RFID key fob Atlo ATLO-501B/BK — contactless proximity keychain, passive 125 kHz

**URL:** https://aio.lv/en/product--atlo-atlo-501bbk--11959949
**Data updated:** 2026-03-11 13:59 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** Atlo
**Manufacturer code:** ATLO-501B/BK
**EAN:** 5902887074905
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 2.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--atlo-atlo-501bbk--11959949

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Atlo ATLO-501B/BK is a passive contactless RFID key fob designed for proximity access control and identification. It uses a 125 kHz low-frequency RFID standard for simple read-only use with compatible readers. Compact and durable, the keychain form factor suits building entry systems, time attendance, locker access and tag-based identification tasks.

## Long description

The Atlo ATLO-501B/BK is a passive contactless RFID key fob that operates on the 125 kHz low-frequency standard. Designed for proximity access control and simple identification tasks, this compact keychain tag is read-only and compatible with readers that support LF 125 kHz transponders. Its small, durable housing makes it suitable for everyday carry on keyrings and for integration with building entry systems, time-and-attendance terminals, locker locks and equipment tagging.
Advantages
The key fob provides straightforward, maintenance-free identification without batteries thanks to its passive design. Its 125 kHz LF protocol ensures broad compatibility with existing legacy readers and access control panels. The compact keychain form is durable and convenient for users who need a reliable, portable credential for frequent use in controlled environments.
Suitable for
Proximity access control for doors and gates
Time and attendance systems for employee identification
Locker and cabinet access
Inventory and equipment tagging where simple read-only IDs are sufficient
Key specifications
Technology: Passive contactless RFID
Operating frequency: 125 kHz (low frequency)
Functionality: Read-only identification tag
Form factor: Key fob / keychain
Typical use environment: Indoor and covered outdoor access systems
How to use
Present the key fob within the reader’s specified reading range and orientation to allow the reader to power and read the transponder. No configuration or power source is required for the tag itself. For installation in an access control environment, register the tag’s identifier in the access control software or reader database following the system manufacturer’s enrollment procedure. Keep the fob free of heavy damage and sharp impacts to maintain reliable reading performance.
Usage recommendations
Use the key fob with compatible 125 kHz LF readers and follow your access system’s enrollment steps. Avoid prolonged exposure to extreme temperatures and mechanical stress to preserve functionality; for secure applications, maintain an enrollment log of issued tags and revoke access for lost credentials.

## FAQ

### How much does the RFID key fob Atlo ATLO-501B/BK cost, and is it available for purchase?

The price is 3.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 15.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Atlo products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Atlo service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11959949/67405367_large.webp