E18-DTU(Z20-485) ZigBee3.0 to RS485 wireless transparent transmission ad hoc network Industrial Grade Digital Radio Long distance [Chip type]:CC2530 [Interface type]:RS485 [Transmission power]: 20 [Working frequency band]:2.405~2.480GHz [Product weight]:64g±5g [Introduction]:E18-DTU (Z20-485) is...