SPECIFICATIONS

Antenna port: 1 port ,SMA

Brand Name: ultrarfid

Choice: yes

High-concerned chemical: None

Interface: TTL(UART), micro USB

Model Number: R300

Origin: Mainland China

Power supply: 3.5V -5 V

Protocol: EPC global UHF Class 1 Gen 2 / ISO 1

RF Power Output: 15-26 dBm(adjustable)

Read range: 1-20m(depend on tag, antenna and application)

Read speed: Multi-tag,1-70tags/second(depend on antenna/tag and application)

Smart card type: Not Recorded

Tags storage: 200 labels @ 96 bit EPC

semi_Choice: yes

Product Name:
R300 UHF RFID Reader Module – TTL UART Interface for Arduino/Raspberry Pi/ESP32

Description:
The R300 is a compact UHF RFID reader module designed for embedded applications. It supports TTL UART interface and can be easily connected to Arduino, ESP32, Raspberry Pi, and other MCU platforms. With up to 20 meters reading distance, multi-tag reading, and free Windows SDK, it's ideal for access control, inventory management, and smart IoT projects.

Key Features:

• Supports UHF RFID reading up to 1–20 meters

• TTL UART interface, compatible with Arduino / ESP32 / Raspberry Pi

• Free Windows SDK for fast integration

• Multi-tag reading support with high speed

• Compact design for embedded projects

Applications:

• Access control systems

• Smart lockers or cabinets

• Asset tracking and inventory

• Educational or DIY IoT projects

FAQs

Q1: Does it support Arduino?
A1: Yes, it supports Arduino, ESP32, Raspberry Pi, and other platforms with UART.

Q2: What is the reading distance?
A2: Typically 1 to 20 meters depending on the tag and environment.

Q3: Is SDK provided?
A3: Yes, we provide a free Windows SDK with sample code and API documentation.

Q4: Can I integrate it with my own software?
A4: Yes, the SDK and UART protocol make it easy to integrate with your own application.