VI-Q28 9dBi RFID Integrated reader

Supports the Gen2X enhanced protocol to improve card reading sensitivity, suppress cross-reading, and improve inventory efficiency with tag silent function;
Integrated modular design ensures stable card reading, low power consumption, and long lifespan; the entire device is IP67 waterproof and surge protected.
Compatible with Wiegand, RS232, RS485, TCP/IP and various wireless communication methods;
Multiple operating systems are available, including Android and Linux;
Supports MQTT, HTTP POST, and MySQL server integration; supports remote OTA upgrades.
It is suitable for scenarios such as access control for people and vehicles, factory workstations, and RFID identification of parts and semi-finished products.

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Datasheet

FEATURES

High-performance CPU with AI computing power, adapted for high-speed reading of large batches of tags;
The VM-61E RF module is used, with optional Impinj/Fudan Micro RF chips;
Rich GPIO expansion, supporting local online upgrades;
Standard configuration includes ModBus RTU/TCP, with optional ProfiNet and EtherCAT industrial protocols;
It supports three card reading modes: active, command, and trigger, and three data output modes: instant, interval, and buffer.

SPECIFICATIONS

Purchase code (product model)	VI-Q28
Electrical parameters
ARM ST32 microcontroller	ARM (STM32F107 Cortex-M3)
Android operating system (optional)	Android 9.0
Linux operating system (optional)	Android/Linux/ARM microcontrollers Operating System: Linux System Hardware: Linux RK3568-V 4.19 Basic hardware specifications: Cortex-A55 processor, clock speed 1.416GHz/1.8GHz
Input voltage	DC12/3A
Maximum power	10W
Ambient temperature detection	support
I/O interface	4 optocoupler inputs (initially low level), 4 relay outputs (capable of handling DC24V/2A)
Communication methods
Communication interface	RS232, RS485, Wiegand, RJ45
Communication Protocol	TCP/IP, RS232, RS485, ModBus RTU /TCP
Reliable firmware upgrades	Scalable OTA upgrade mechanism
Application Software Interface	Supports MQTT, HTTP POST, and MySQL database connections to the server.
UHF RFID parameters
RF core chip	VM-61FD (Fudan Microchip) / VM-R61E (Impinj E series)
Air interface protocol	EPC Global UHF class1 Gen2/ISO 18000-6c/ISO 18000-6B
Antenna gain	9 dBi
Half-power angle	Hor:65±5° Ver:65±5°
Standing Bobby	≤1.3
impedance	50Ω
polarization mode	Circular polarization
Shaft ratio	≤ 3 dB
Operating frequency	902-928MHz
Output power	0～33dBm±1dBm
Output power adjustment	1dBm increments (configurable via VANCH software)
Receiver sensitivity	<85dBm
Tag recognition peak speed	>800 times/second
Reading distance	0-15 meters (depending on reader configuration, antenna gain, and tag type)
Write distance	0-10 meters (depending on reader parameter configuration, antenna gain, and tag type)
RSSI tag	support
Antenna connection protection	support
Supported regions	The United States, Canada, and other regions that comply with U.S. FCC Part 15 regulations. Europe and other regions that comply with ETSI EN 302 308 standards China, India, Japan, South Korea, Malaysia, Taiwan
Environmental parameters
Operating temperature	-40～ 70 ℃
Storage temperature	-40～ 85 ℃
Ambient humidity	<95% (non-condensed state)
Working status indicator
Power indicator light (PWR)	One red light, which stays on when the power is on normally;
Card reader indicator (RF)	One green light flashes when an RFID card is being read; it turns off when no card is being read.
buzzer	Working status audible indicator
physical parameters
size	240 (L) * 240 (W) * 48 (H) mm (excluding mounting bracket and external wiring)
net weight	2.2kg
Shell material	ABS+PC engineering plastics
Antenna radome material	aluminum alloy
Antenna radome color	White
Protection level	IEC IP67

PACKING LIST

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VI-Q28 RFID integrated 9dBi reader（ENG).pdf

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