Radio Push to talk is a free app that amalgamates the best of Live Voice, text, into a powerful secure messaging tool. Radio PTT is the only walkie-talkie messenger with end-to-end encryption. With an online walkie-talkie, you can communicate with a free call without Internet or mobile cellular data package not even needed the mobile network just connect with the same Wi-Fi. Its works festally because it is a two-way radio walkie-talkie App. Bluetooth walkie-talkie and have fun with Wi-Fi free c