1.Network Radio need use data from wifi or from Sim card ;
2.Network Radio cost data flow, Usually 2.88M/H for continue talk and 0.06M/day standby mode, just for reference,W2 built-in Wifi in covered area to save data fee;
3.Radio Support Real PTT (smartPTT) platform & Cost User ID Yearly Fee, users also can choose free zello app.
4.Network Radio talk no distance limit, no Country limit, Talk worldwide freely
5.W2 is Android system support users download compatible talk app from play store, but key value must adjust to fit the PTT and other functions, we accept costly ODM.