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Compact Micro UHF RFID Module High Sensitivity, Low Power, UART Interface

Ultra-compact UHF RFID module with -85 dBm sensitivity, low power use, UART interface, and EPC Gen2 protocol support. Ideal for embedded RFID systems.

416388

Description

Advantages

  • High sensitivity up to -85 dBm.
  • Extremely compact design and excellent performance bring superior cost-effectiveness.
  • Low power consumption, no need to add external heat sinks.
  • Very easy to be embedded (Refer to circuit design Figure 5-1).

 

 Technical Specifications

Parameter Value
Input Voltage DC 5V
Standby Mode Current < 35mA (EN high level)
Sleep Mode Current < 100µA (EN low level)
Operating Current @5V (25dBm Output, 25°C): Min 300mA, Typical 320mA, Max 380mA
Operating Temperature -20°C ~ +70°C
Storage Temperature -20°C ~ +85°C
Work Humidity 5%RH ~ 95%RH (non-condensing)
Protocol EPC global UHF Class 1 Gen 2 / ISO 18000-6C
Spectrum Range 902 ~ 928MHz, 865 ~ 868MHz (Optional)
Supported Regions US, Canada (FCC); Europe (ETSI EN 302 208); China, Korea, Malaysia
RF Output Power 0 ~ 25dBm
Output Power Precision +/- 1dB
Output Power Flatness +/- 0.2dB
Receive Sensitivity < -85 dBm
Peak Inventory Speed > 50 tags/sec
Tag RSSI Supported
Communication Interface UART 3.3V
GPIO 2 inputs 2 outputs (3.3V TTL Level)
Serial Baud Rate 115200 bps (Default and Recommended) / 38400 bps
Dimensions 28 mm x 25 mm x 2.7 mm
Heat Dissipation Air cooling

 

Pin Assignments

PIN Interface Description
1 Antenna Antenna connection (Impedance 50Ω)
2 GND Product
3 GND Grounding
4 GND Grounding
5 GND Grounding
6 GND Grounding
7 GPIO 2 Input GPIO
8 GPIO 1 Input GPIO
9 VCC Power supply DC 5V
10 GND Grounding
11 EN High level enable
12 RXD UART RXD
13 TXD UART TXD
14 Beeper Connect the buzzer (Driven externally is recommended)
15 GPIO 3 Output GPIO
16 GPIO 4 Output GPIO

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