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      E-mail: sales@winnix.net

      12 ports UHF RFID Reader Module

      Products Mode: HYM781
      HYM781 UHF RFID reader uses R2000 chip which complies with EPC C1G2 protocol its working frequency is 840~960MHz. It supports dense reader working


      HYM781 UHF RFID reader uses R2000 chip, which complies with EPC C1G2 protocol, its working frequency is 840~960MHz. It supports dense reader working mode.With standard 8dBi antenna,the reading distance can  reach up to 10meters, maximum identifying speed can reach 400/S; with simple power supply and interface circuit, a high-performance RFID system can be established. It is suitable for new-retail, file management, logistics,
      costume, medical industry,garment Industry and complex assets managements etc.


      1545122154806642.png Technical Data

      No Item Technical data Unit Remark
      1 Fixed current 700 mA Max power output@12V
      2 Standby current ≤1 mA EN pin low level
      3 Frequency range 840~960 MHz  
      4 Default working
      Frequency hopping MHz Frequency interval 250KHz
      5 Channel bandwidth 250 KHz  
      6 Frequency hopping speed ≤2 s  
      7 Fixed power 31.5 ±1 dBm  
      8 Stepping interval 1 dB  
      9 Label protocol EPC C1G2
      10 Communication
      Asynchronous serial
      ports protocol
        RS232 Label
      11 Starting time ≤50 ms  
      12 Radio-frequency
      power rising time
      ≤500 μs  
      13 Radio-frequency
      power dropping time
      ≤500 μs  
      14 Adjacent channel
      power leaking ratio
      ≤-40 dB ±1CH
          ≤-60 dB ±2CH
      15 Frequency stabilizing ratio ±10 ppm -25℃ ~+40℃
          ±20 ppm -40℃ ~+60℃
      16 Max reading range 10 m 8dBi antenna

      1545122154806642.png Characteristics of DC

      Data Mini value Typical value Max value Unit Remark
      Voltage of power 9 12 14 V Direct current
      Communication level   15   V  Rs232

      1545122154806642.png Appearance and structure


      • Size(L×W×H):105×95×25mm(90degree SMA connector)
      • Weight:100g
      • Positioning hole:82*77mm φ4mm screw

      1545122154806642.png 4/5PIN Interface definition

      4/5pin interface type:Horizon XH2.54mm

      PIN Signal name Signal direction Function and compatibility description  
      1 VCC Input 12V power  
      2 GND - Ground  
      3 RS232_TX output RS232 Serial interface transmission  
      4 RS232_RX input RS232 Serial interface Receiving  
      5 EN input Module power supply enable 5PIN available

      1545122154806642.png RF interface
      SMA female

      1545122154806642.png Requirement on antenna

      No Item Technical data Unit Remark
      1 Standing wave ratio ≤1.5    

      1545122154806642.png Environment requirement

      No Item Technical data Unit Remark
      1 Working temperature -10~+70  
      2 Storage temperature -40~+85  
      3 Relative humidity 10%~90% RH