Your Position Home Our prodcut








GM204 is a 4-channel UHF RFID module with superior read/write 

capability, good channel isolation, small form factor and well 

stability, which can fully meet the application requirements of RFID 

reader, production test equipment, professional detection instruments and RFID integrated hardware and other environments.



Feature



Employs best-in-class RF chip: Impinj Indy R2000 UHF RFID chip;

Superior reading sensitivity, reaches -88dBm;

Excellent Anti-collision algorithm, tag read rate reaches over 400pcs/s;

Good channel isolation, reaches -40dB;

Worldwide Gen2 platform, accommodate worldwide application;

4-Channel RF output, which can save external device payment; 

High output power, the max power reaches 33dBm.


Parameter


RFID Features

Parameters 

RF Chip

Indy R2000

Air Interface ProtocolEPCglobal Gen2(ISO 18000-6C)

Working Frequency

China920-925MHz (SRRC)

America902-928MHz (FCC part 15)

Europe865-868MHz (ETSI EN 302 208)

840-960MHzCan be customized according to needs and local status

Output Power

5-33dBm adjustablestep Interva1 dBprecision±1dB

Max Output Power

10W @33dBm

Reading Rate

>400 tag/s

Receiving Sensitivity

-88dBm

Isolation

-40dB

Communication Port

UART, compatible with 3.3VTTL

Baud Rate115200bps(default)

Antenna Connector

4 channel 50Ω RF connector MMCX female

Tag RSSI

Support

Ambient Temp Monitor

Support



Power Supply

Parameters 

Input Voltage

4.5V-21VDC

Standby Mode Power 

ConsumptionEN High

0.5W

Turn-off mode Power 

ConsumptionEN Low

1uW 



Physical Characteristics

Parameters

Dimension

68.8mm*43.4mm*7.5mm

Weight 

58.0g

Color

Silver



Working Ambient

Parameters

Operating Temp.

-25℃~+60℃

Storage Temp.

-40~+85

Humidity

10%~95%RH




















Data download



Application