Compact Micro UHF RFID Module High Sensitivity, Low Power, UART - Amuse Tech Solutions

Compact Micro UHF RFID Module High Sensitivity, Low Power, UART – Amuse Tech Solutions

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

SKU: ATSUHF-412 Category:

Description

Advantage

  • 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  ATSUHF-412 
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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