---
product_id: 74292505
title: "125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10)"
brand: "hfeng"
price: "S/.77"
currency: PEN
in_stock: true
reviews_count: 13
category: "H Feng"
url: https://www.desertcart.pe/products/74292505-125khz-t5577-em4305-writable-rfid-keychains-nfc-token-tags-proximity
store_origin: PE
region: Peru
---

# Waterproof ABS material Read & writable T5577/EM4305 chip 125KHz secure frequency 125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10)

**Brand:** hfeng
**Price:** S/.77
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock smarter access with style and durability!

## Quick Answers

- **What is this?** 125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10) by hfeng
- **How much does it cost?** S/.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/74292505-125khz-t5577-em4305-writable-rfid-keychains-nfc-token-tags-proximity)

## Best For

- hfeng enthusiasts

## Why This Product

- Trusted hfeng brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Pack of 10:** Perfect for managing multiple users in offices, apartments, or parking areas.
- • **Secure 125KHz Frequency:** Reliable proximity access up to 10cm for seamless entry.
- • **Universal Compatibility:** Works effortlessly with most 125KHz RFID readers for versatile security setups.
- • **Durable Waterproof Design:** ABS casing with metal keyring built to withstand daily wear and weather.
- • **Writable & Reprogrammable:** Supports read/write functionality for ultimate customization and control.

## Overview

This pack of 10 blue RFID keychains features waterproof ABS material and metal keyrings, equipped with versatile T5577/EM4305 chips operating at 125KHz. Designed for proximity access control, these writable tokens support read/write functions and work within a 10cm range, ideal for secure entry in apartments, offices, and parking facilities.

## Description

1. Material: ABS waterproof material 2. Colour: blue. 3. Support: Reading, and writable. 4. Working frequency: 125KHz 5. Chip: T5577 / EM4305 6: Quantity: 10 pieces

Review: Works with Texecom Alarm - Bought a while ago, but none of these have missed a beat work everytime Used with texecom alarm systems as there tags are a bit different to others and worked all ok, Didnt work with paxton reader however
Review: Not writable to - Not writable using flipper

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | HFeng |
| Colour | Blue |
| Compatible devices | 125 kHz RFID Reader |
| Connectivity technology | Nfc |
| Item dimensions L x W x H | 6.5 x 1.8 x 9.5 centimetres |
| Power source | With electric cable |

## Product Details

- **Brand:** HFeng
- **Colour:** Blue
- **Compatible devices:** 125 kHz RFID Reader
- **Item dimensions L x W x H:** 6.5 x 1.8 x 9.5 centimetres
- **Power source:** With electric cable

## Images

![125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10) - Image 1](https://m.media-amazon.com/images/I/61x5iO8Rr+L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works with Texecom Alarm
*by C***. on 14 September 2021*

Bought a while ago, but none of these have missed a beat work everytime Used with texecom alarm systems as there tags are a bit different to others and worked all ok, Didnt work with paxton reader however

### ⭐ Not writable to
*by M***T on 6 February 2026*

Not writable using flipper

### ⭐⭐⭐⭐⭐ Did the job
*by D***D on 19 January 2025*

Very inexpensive and did the job perfectly

## Frequently Bought Together

- HFeng 125KHz T5577 / EM4305 Writable RFID Key Ring NFC Tags Token Proximity ID Access Control Key Fob Card for Security Entry System Blue (10)
- YARONGTECH MIFARE Classic® 1K fobs 13.56MHZ ISO14443A Access Control Tags (pack of 10)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-08-16*