WhatsApp: Why Americans Don’t Use It | The Deets
Luckily, as long as you’re connected to Wi-FiWi-FiThe radio frequency (RF) spectrum is vital for wireless communications infrastructure. The 802.11 standard provides several distinct radio frequency bands for use in Wi-Fi communications: 900 MHz, 2.4 GHz, 3.6 GHz, 4.9 GHz, 5 GHz, 5.9 GHz, 6 GHz and 60 GHz. Each range is divided into a multitude of channels.https://en.wikipedia.org › wiki › List_of_WLAN_channelsList of WLAN channels – Wikipedia, WhatsApp chats will always be free. Also, while you can be charged a fee per text message using your standard cellular service abroad, or be held to a limited amount of texts, your WhatsApp messages operate over your data plan.