Filtering getCharacteristics()

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         |_| espruino.com
 2v08 (c) 2019 G.Williams
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4 characteristics
[READ, NOTIFY]
0x0000[vendor]
[WRITEWITHOUTRESPONSE]
0x0000[vendor]
[READ, NOTIFY]
0x0000[vendor]
[WRITEWITHOUTRESPONSE]
0x0000[vendor]
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