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AirLink-Server

AirLink uses financed phones as relay-extensions of the internet in remote areas, to extend productive asset data coverage in even the most rural communities. By introducing open-standards communications, AirLink allows customers’ phones and PAYGo assets to communicate with each other by using widely available, standard low-energy Bluetooth connectivity.

Project Status License


This is technical documentation for AirLink. If you are looking for an overview of the AirLink project, see this:


Use cases

For all potential use cases, EnAccess hosts the IoT server for free so that you can try your idea quickly and cost effectively! 🏁 Quick-start guide

How to use AirLink in some common uses:

A Device Manufacturer developing devices to be used in remote-region IoT data collection or PAYGO-financed use

📋 An NGO wanting to define a adaptable hardware/software standard for data collection in your projects or grantees

A Fintech/PAYGO entrepreneur focused on innovative software, needing a standard hardware spec to share with a device manufacturer


AirLink Components

AirLink devices documentation

AirLink devices on Github

AirLink App documentation

AirLink App on Github

AirLink Server documentation

AirLink Server on Github


BLE-GSM Data transfer

AirLink Data transfer flow

IoT Device Lifecycle

Device Lifecycle

App-driven, Crowdsourced locatability

AirLink unknown device flow

PAYGO control

3-types of AirLink PAYGO


  • CBOR: Memory-efficient JSON-like data format
  • OCF: Data structure standard to represent IoT devices

  • Nexus Channel: Angaza's Inter-operability initiative

  • OpenPAYGO Link: Wired inter-operability from Solaris/EnAccess
  • OpenPAYGO Metrics: GSM inter-operability from Solaris
  • OpenPAYGO Token: Open Source PAYGO token reference design from Solaris/EnAccess

Simusolar Inc

AirLink was developed by Simusolar Inc with support from EnAccess.