How Far Away Can RFID Chips Be Read?

RFID (Radio Frequency Identification) technology has become widely used in various industries, from retail and transport to healthcare and logistics. These tiny chips, often embedded in tags or labels, allow for wireless identification and tracking of items and assets. One common question that arises is: how far away can RFID chips be read?

The range at which an RFID chip can be read depends on several factors, including the frequency of operation, the power output of the reader, the type of antenna used, and the environment in which the RFID system is deployed. Let's explore these factors in more detail:

1. Frequency of Operation

RFID operates at different frequencies - low frequency (LF), high frequency (HF), and ultra-high frequency (UHF). Generally, the higher the frequency, the longer the read range. LF RFID systems typically have a range of a few centimeters, while HF systems can reach up to one meter. UHF RFID systems provide the longest read range, often exceeding several meters.

2. Power Output of the Reader

The power output of the reader, measured in watts, greatly influences the range of RFID chip detection. Higher power output allows for longer read ranges. However, it's important to consider regulatory limits and potential interference issues when increasing power output.

3. Type of Antenna Used

The type and design of the antenna used in the RFID system also affect the read range. Antennas can be classified as near-field or far-field. Near-field antennas generate a concentrated field and are suitable for short-range applications, while far-field antennas create a more dispersed field, enabling longer read ranges.

4. Environmental Factors

The environment in which the RFID system is deployed can significantly impact the read range. Radio waves can be absorbed, reflected, or diffracted by different materials, such as metals, liquids, or dense objects. Interference from nearby objects or radio signals can also affect the performance of an RFID system.


As we've seen, the range at which RFID chips can be read depends on various factors. The frequency of operation, power output of the reader, type of antenna used, and environmental factors all play a role in determining the effective read range of RFID systems. Therefore, it's important to consider these factors when designing and implementing an RFID solution.

RFID technology continues to advance, and innovations in chip design, reader technology, and signal processing techniques may further extend the read range of RFID systems in the future.

Handheld Computers

Portable and handheld for multi-domain applications.

Basic Functions, Better Performance

Android 12

Dual SIM card slots


2.4G/5G WiFi 802.11ax Wi-Fi6

Bluetooth 5.1 +BLE

4GB+64GB 6GB+128GB 8GB+256GB (Optional)

MediaTek Dimensity 900

LCD 6-inch IPS

QR / bar code scanner(optional)

Corning GG3 reinforced glass cover

NFC, Magnetic(optional)

Finger Print

B2B Wholesale Kingtop Enterprise PDA

·Powerful, Durable and Enterprise-Ready
·Seamless Device and Data Management
·Rugged and Powerful Handheld Computer for Business
·Cost-Saving Bulk Deals for Large Volume Purchases

Why Choose Us?

We’re here to help tailor our comprehensive business solutions to your specific needs.

5G Fast Connectivity

Our tablet devices are equipped with advanced 5G modules that support various network bands and protocols, which allows you to enjoy fast and stable internet access anytime and anywhere.

Rich Production Experience

We have been focusing on the production of intelligent mobile devices for 15 years, and we have a deep understanding of the industry trends and customer needs. We can provide you with high-quality products that meet your expectations and requirements.

Trouble Shooting

We have a professional and responsive customer service team that can solve any problems you encounter within 24 hours. You can also contact our engineers directly for technical support and guidance.


We can customize your tablet devices according to your specifications and preferences. You can choose the size, color, logo, software, hardware and accessories of your tablet devices. We will offer you the best solution that suits your budget and needs.

Prouduct Selection

We have a wide range of tablet devices for you to choose from, with different features, functions and prices. Our professional sales team will recommend the most suitable and cost-effective products for you based on your needs and preferences.


We have a professional R&D and design team that can develop innovative and unique tablet devices for you. We have 15 years of experience in software and hardware development, and we can create solutions that satisfy your customers and the market.Don’t miss this opportunity to get the best 5G tablet device for your business or personal use. Contact us today and get a free quote and sample!

Which PDA is right for you?

Powerful device management tools.

Talk to us >        SAMPLE TEST >


4G LTE / 5G

2.2 Gigabit Carrier Speed




5mp front, 13mp rear


Removable 4000mAh battery


Android™12.0 System

Full specs→


4G LTE / 5G

2.2 Gigabit Carrier Speed




8mp front, 48mp rear


Removable 5000mAh battery


Android™11.0 System

Full specs→



1Gigabit Carrier Speed




5mp front, 13mp rear


Removable 5000mAh battery


Android™11.0 System

Full specs→