Bisa2.4GHzGainAdjustableReaderadoptsultra-lowpowerc***umptiondesign,whichallowsitintoflammableandexplosivehigh-riskcircumstances,likethegasstation,chemicalfactory,etc..RS232interfacecanconnectreaderwithControlcenterdirectly;whileRS485interfacemakesitsuitablefortreenetwork.)