La description

Technical Parameters  Specifications
Frequency  2.4GHz**2.5GHz ISM   
Identify direction  Omni-directional or directional(antenna dependent)
Antenna  Connect 1 antenna through SMA
Standard matched antenna  NFC**4A*2R(Omni-directional antenna, as shown picture)
RF Power Range  **0.0dBm*0.0dBm
Receiving Sensitivity  **0.0dBm
Modulation  GFSK
Working Mode  1).Automatic identifying within effective area(Auto mode)
                            2).Reading after external trigger(Trigger mode)
                            3).Reading under software command.(Master-slave mode)
Identify Tag Time  Less than 1ms when identify single tag.
Reading/Writing Tag Time  Less than 0.5ms every 9 bytes when reading, 1ms every
*3bytes when writing.
Reading Range  ☆  0~*0m (Standard matched antenna NFC**4A*2R) 
☆  0~**0m ( Antenna NFC**4A*2T, directional)
☆  0~**0m( Antenna NFC**4A*8T , directional)
☆  For reader with RSSI function, the distance will be half
the above distances.
ID-matching Time  **0us for ***0 ID’s.(max)
Anti-collision  Up to **0 tags read simultaneously.
Buffer Capacity  ***0 tags data
Communication Speed  ***0kbps
Communication Interface  RS***2, RS***5,USB, Wiegand*6/*4, Ethernet
Input and Output  1 triggering
Optional function  Relay output, CAN, RSSI
Current/Voltage  DC 5V/1A
Product size  **9mm***0mm**5mm
Packing size  **0mm***0mm**0mm
Gross weight  0.*0kg  
Net weight  0.*5kg
Working Temperature  －*0℃~**0℃  
Storage Temperature  －*0℃~**5℃
Accessories  Standard matched antenna, DC5V/1A adapter,  power
cable, RS***2 cable, USB cable, Ethernet cable
Working Status Indication  Buzzer, LED indicator light