The Serval Project Wiki

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Serval Mesh

Screenshot of Serval Mesh pre-release 0.90 “Shiny” main screen Serval Mesh is an Android app that provides highly secure mesh networking, voice calls, text messaging and file sharing between mobile phones using Wi-Fi, without the need for a SIM or any other infrastructure like mobile cell towers, Wi-Fi hotspots or Internet access.

Serval Chat

Serval Chat is an iOS app that provides highly secure text messaging between Apple iPhone and iPad devices using Apple's proprietary peer-to-peer wireless network.

Serval Maps

Serval Maps is an Android app that uses Serval Mesh to provide collaborative, infrastructure-independent, geographical mapping.

Serval Mesh Extender (Formerly Mesh Helper)

Pair of Serval Mesh Extenders on bench The Serval Mesh Extender is a hardware device that helps other devices to join and participate in a Serval Mesh network.

  • powered by any external USB power source (5V 500mA)
  • Mesh Extenders mesh together over short distances using Ad Hoc Wi-Fi, and over longer distances using packet radio on the ISM 915 MHz band. Our ad-hoc packet radio system uses the RFD900 long-range UHF radio with custom CSMA firmware.
  • provides a standard Wi-Fi Access Point for nearby devices (such as smart phones) that do not support Ad Hoc Wi-Fi mode
  • offers the Serval Mesh (app for Android) app for Android for download via HTTP so that people can join the Mesh network without having previously installed the app
  • acts as a Rhizome node, storing and forwarding files and MeshMS messages
  • provides a platform for future Serval Project initiatives, such as the commoditisation of many classes of medical monitoring devices.

Trial Deployments & Exercises

The following is a list of past and planned trial deployments and related activities.

  • Arkaroola Wilderness Sanctuary Demonstrator July 2010
  • Nigeria InterNews Trial Jan 2011
  • KiwiEx 2012 with NZ Red Cross Feb/March 2012
  • KiwiEx 2013 with NZ Red Cross, New America OTI/Commotion and NLnet Foundation Feb/March 2013