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Tunnel - Reading of analog and digital inputs and switching of relays from an Android app via Bluetooth and GPRS/3G - Webdyn
Embedded Works - Zoom 4615-00-00C 4G/LTE Cat 1 Cased USB Modem | SMA with Antennas
Bluetooth | Android Open Source Project
4G Serial Modem, 6 x IO, RS232 & RS485 - Australis M2MAustralis M2M,Cellular M2M devices with the flexibility to connect to almost ANYTHING
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37 Bluetooth Dongle Images, Stock Photos & Vectors | Shutterstock