Two way radio Talk back Support two way radio between different devices(only for 4G/3G device) Talk back in platform Support two way radio between device and platform(only for 4G/3G device)
និយាយត្រឡប់មកវេទិកាវិញ។ គាំទ្រវិទ្យុពីរផ្លូវរវាងឧបករណ៍និងវេទិកា (សម្រាប់តែឧបករណ៍ 4G / 3G)