— up to 20 m reading range, 400 reads/s speed, -85 dBm sensitivity

GK704C – 4-Port UHF RFID Fixed Reader/Writer

The GK704C is a high-performance 4-port UHF RFID fixed reader/writer designed for long-range, high-speed multi-tag identification. It supports 920–925 MHz, 902–928 MHz and 865–868 MHz, with RF output power up to 33 dBm and receive sensitivity down to -85 dBm. With a reading distance of up to 20 meters, writing distance of up to 7 meters, 400 reads per second and 600-tag processing within 3 seconds, it is suitable for asset management, warehousing, access control and vehicle management applications.

Description

Specifications

Basic Parameter

Product Model
GK704C

Frequency Range

920–925 / 902–928 / 865–868 MHz
RF Output Power
0–33 dBm / 33 dBm ±1 dB Max.
Reader Type
Fixed Four-Port Reader/Writer
Dimensions
224 × 117.2 × 33 mm
Weight

850 g

RFID Performance

Air Interface Protocol
ISO 18000-6C / EPC Gen2
Read Distance
Up to 20 m
Write Distance
Up to 7 m
Read Speed
400 Reads/s
Multi-Tag Processing
600 Tags / 3 s

Receive Sensitivity

-85 dBm
Frequency Mode
FHSS / Fixed Frequency
Read Success Rate
>95% / 100 Continuous Reads
Write Success Rate

>90% / 100 Continuous Writes

Interfaces & Connectivity

Communication Interfaces
RS232 / RS485 / RJ45

Ethernet

10M / 100M Adaptive
GPIO
2 Inputs / 2 Relay Outputs
RS-232 Baud Rate
9600 / 19200 / 115200 / 460800
Status Indicator
Buzzer
Working Voltage
DC 9–24 V
Case Material
CNC Aluminum
Color
Black

Applications & Support

Typical Applications
Asset / Warehouse / Access / Vehicle Management
Protocol Options
GB/T29768 / GJB7377.1 Customizable

Project RFQ

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