It can expand effective reading&writing range so that reduce hardware cost by connecting four different gain antenna outside. We originated controling lauching power separately in domestic that adapt to complex application circumstance. And we offer API function for convenient re-development. There are all kinds of communication interfaces and you can customize too.
Technology parameter
Operating Frequency: 902MHz~928MHz
RF protocol: ISO18000-6B\EPC Class 1\EPC Class 1 GEN 2
Operating Method FHSS or fixed frequency(setted by software)
Antenna ports: 4ports, SMA
Max RF power: 30 dBm
Power smoothness: