This is the device that launched the app. It was buying a couple of these off Ebay that made me want to create an app to help send the SMS commands.

The device was marketed as the Byte TK 102B and is not a “genuine” Xexun TK 102 (I’m not 100% certain of the history but the consensus seems to be that Xexun were the first manufacturer to produce this unit).

The user manual for this device is available here: TK-102B Manual

The format of the commands for this unit are different to the ones that the Xexun uses and some of the later revisions of the unit.

if the manual for your unit shows the geofence command as looking something like this:


and the tracking/auto track command looks like this:


Then your device is probably compatible with this unit and you should choose TK-102B as your device type.

6 thoughts on “TK-102B”

  1. Hi, my TKController is sending
    stockade+password+space+latitude,longitude+space+; latitude,longitude

    not like in you device Suporte page
    stockade+password+space+latitude,longitude; latitude,longitude
    “no Space”

    and it’s giving stockad fail! reply

    can you please fix it?

    my divice is TK-102B

    1. Hi, sorry for the delay in getting back to you ! My TK102B uses the format with a space in front of the semi-colon. You’re right that the version of the manual on the site shows it without a space. Not sure why the two are different, must be different firmware revisions.
      Do you know what firmware revision yours is ?

  2. I got a problem with the geo fence it keeps replays stockade invalid. In the manual that I got shows this: stockade+password+space+latitude,longitude+space+;latitude,longitude
    But if I do it from your app it keeps txt me stockade invalid.
    Can you help me with this please??

    1. Have you tried both the TK102-2 and the TK102-B device types in the app ? They are very similar but there are very slight differences in the shock and stockade commands.

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