1,zigbee module 2,Chipset :MT6906 3,Tempo:max down 2.8Mbps, ... *33*2.6mm 5,Analog speech sound ZTE (M501) Wireless Transmitter Modules,zigbee moduleWirless ModulesModule Dimension:55×33×2.6mmWireless Network : TD ... package is good at design, support HSUPA ,speed higher.Application : wireless pos monitoring system vehicle-mounted electric industry ect many industries ...