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This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.

This API is available on Firefox OS for certified applications only.


type is a read-only property that gives the type of connection.


var dataType  =;
var voiceType = navigator.mozMobileConnection.voice.type;


Return a string.

Possible values are: gsm, gprs, edge, umts, hsdpa, evdo0, evdoa, evdob, is95a, is95b, 1xrtt, hsupa, hspa, ehrpd, lte, hspa+, etc.


Not part of any specification.

See also

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Contributors to this page: Sheppy, kscarfone, hsinyi, Rudloff, Jeremie
Last updated by: hsinyi,