4PORT UHF RFID MODULE SR-MU921B

Model NO.: SR-MU921B

SR-MU921B is a high-performance UHF RFID Reader Module, which is designed with low-power dissipation and high integrated RFID chip. It is low-power dissipation, cost-effective, small size, etc. It can be widely used in logistics tracking, commodity inventory, cargo sorting, vehicle management, personnel management, asset management, medical systems, cold chain management, temperature monitoring, power monitoring, anti-counterfeiting systems and production process control and many other applications.

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Product Description

Features

* Designed with low power dissipation and high integrated RFID chip solution

* Support EU 840~868MHz, US 902~928MHz working frequency (or Customized).

* Support EPC Global UHF class 1 gen2 / ISO18000-6C protocol RFID tags.

* Support temperature sensor RFID tag, moisture Sensor RFID tag and some other sensor RFID tags.

* Optimized multiple tags inventory algorithm, speed is more than 100 per second

* FHSS or Fix Frequency transmission

* RF output power up to 30dBm (1dbm step adjustable)

* Support IAP firmware upgrading.

* Low-dissipation design with single +5V power supply

* Support 4 GPIO ports GPIO, I/O Control for RS-485 port and indication I/O for Read Tag.

* Support 4 external antennas with MCX socket

* Support UART (3.3V TTL level) interface.

* Effective distance 25m with 12dBi linear polarized antenna and E41 tag.

* Provide DEMO and SDK for development

* Support development based on Windows, Android, Linux etc. and C, C#, JAVA etc.

Specification

Main Function
Protocol	EPC Global UHF Class 1 Gen 2 / ISO 18000-6C
Support tags	Normal tag; Temperature sensor tag; Moisture sensor tag
RSSI	Support
RF Parameter
Frequency	840~960MHz at option; Fixed or FHSS
RF output power	30dBm±1dB（MAX）
Step power	1dBm
Signal width	＜250KHz
Antenna port	4 ports MCX
Tag Reading
Reading distance	>25m	12dBi circular polarized antenna, 30dBm, standard E41 testing card.
Writing distance	>6m
Multiple tag reading speed	>100pcs/s
Communication Parameter
Interface	+3.3V TTL UART RS232
	4 ports GPIO (+3.3V TTL Level)
	1 port RS485
	1 ports tag access output indication
Baud rate	9600, 19200, 28800, 38400, 57600, 115200bps at option
Power Parameter
Operating Voltage	DC 5.0V (+3.7V~+5.5V)
Operating Current	≤1.0A / DC 5V
Standby Current	≤50mA / DC 5V
Working Environment
Operating Temperature	-20~+65℃
Storage Temperature	-30~+85℃
Operating Humidity	<95%RH (+25℃) Non-condensing
Mechanical Parameter
Dimension	63338mm
Weight	29g