![]() Bluetooth is only effective in a range of about 100m (328 feet) and has trouble moving through dense objects.Bluetooth is very energy-consuming and can drain the batteries of devices.Only works if there is a sufficient density of phones with Bluetooth on and using the same mesh application.Most useful in protests, natural disasters, warzones, when camping or trekking in forests and jungles.Decentralised and difficult to shutdown completely.Circumvents internet service providers ( ISPs ), cell and Wi-Fi networks, or any other government-controlled infrastructures.However, senders should always be cautious of possible hacking, or the receiver’s phone.Īs mesh messaging apps also allow mass dissemination of messages within the same network, they were widely used during the Hong Kong protests in 20, allowing protesters to evade censorship as well as online monitoring. Messages sent through a mesh network are end-to-end encrypted, meaning that senders remain anonymous and the messages can’t be deciphered by intermediaries. The devices with the same mesh messaging app form a chain that relays the message until it reaches its final destination. ![]() Mesh messaging apps send and receive text messages to other phones that are located in the vicinity and use the same software. In these instances, mesh messaging apps -that use the phone’s built-in bluetooth antenna to send off-the-grid messages while offline- can be a useful solution. Mesh messaging applications use bluetooth to send short range off-the-grid messages while offline, and could one day be a reporter’s lifeline.ĭuring the most critical of times, when reporting in a war, civil unrest or a natural disaster, a journalist risks being isolated due to internet outages or weak phone signals. Internet access can become a scarce luxury when reporting in conflict environments, and having a means of communication is vital for a journalists’ safety.
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