Pocket FM is a small, low-powered radio transmitter designed for use in areas with tightly controlled or undeveloped communications infrastructure. The devices are portable and have the appearance of a receiver rather than a transmitter, making them more practical for citizen use and harder for authorities to detect when used subversively in pirate radio networks. It was designed by German-based non-profit organization Media in Cooperation and Transition (MiCT) in 2013 and has been deployed in Syria to create the radio network called Syrnet.
MiCT led the project as an extension of its work on media projects to empower people in areas of conflict and crisis. The device's design is a result of the organization's collaboration with German design firm IXDS.
Radio, as an analog medium, is more difficult than Internet and phone networks to shut down, requires less physical infrastructure, and its use is less dependent on a functional electric grid. For these reasons radio is a common medium among resistance and other independent groups.
The shoebox-sized device's appearance, as described by The Local, is "a black box about thirty centimeters in length and twenty wide. It is smooth and light with a corrugated surface." Its design emphasizes portability and an appearance unlike typical transmitters.
Radio stations typically use large transmitters to produce strong signals broadcast across large areas. However, large transmitters are very expensive and provide highly visible targets for those interested to sabotage, raid, hijack, or otherwise interrupt communications. The idea behind Pocket FM is to instead create a network of many small transmitters to blanket an area. Each device has a range of 5–8 kilometres (3.1–5.0 mi).
Pocket FM has the ability to change frequencies in case the default frequency is jammed or otherwise unavailable, and broadcasts a signature using the Radio Data System protocol to allow listeners to find the new station. RDS can also be used to broadcast other text-based messages to users with compatible tuners.
The device can be used with solar power and runs at 12 volts of electricity, making it possible for it to function when plugged into a car's cigarette lighter receptacle. The device also comes with a built-in satellite receiver to download content and can be passcode-protected to prevent unauthorized transmission.
The computational foundation of the device is Raspberry Pi, a small, inexpensive, and customizable computer platform.
Pocket FM was developed for use in Syria. Throughout the Syrian Civil War, president Bashar Assad has exerted control over communications infrastructure, frequently disabling Internet, phone networks, and electricity, and making frequent use of propaganda and misinformation in state-run mass media. But when other modes of communication become unavailable and unbiased reporting is inaccessible, most Syrians still have access to a radio receiver, either as a battery-powered stand-alone device or as part of a cell phone.
Syrnet, a radio network enabled by Pocket FM, launched in September 2013 to provide information that would be censored or manipulated if reported on by state-run media. As of December 2015, Syrnet operates nine stations in different areas of the country. In addition to allowing for reports to be shared with other regions where the situation may be very different, the use of a structure with multiple centers of operation ensures that a raid on one does not pose an existential threat to the broadcast.
The network combines local and external content, which are broadcast throughout the country via Pocket FM as well as through NileSat and Internet downloads. The radio network approach to broadcasting allows Syrian citizens access to censored outside broadcasts, creates a sustainable system for communications between and about different parts of the country and the dissemination of stories to a global audience.
MiCT is working with Culture Radio, a Freetown media organization, to disseminate information about Ebola to communities in Sierra Leone who have not had access to other campaigns about the disease and its prevention.
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