SR-MU922B

UHF Module

UHF MODULE --- a high-performance UHF RFID Reader Module, which is designed with low-power dissipation and high integrated RFID chip.

Feature

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

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 SMA
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	755110mm
Weight	100g

If you are interested in our services or need customized solutions, please feel free to contact us.

Get in Touch