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Category: Hardware
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Did you read how i put a Mikrotik Sextant in a pot or how i use Mobile PoE via USB for upto 5V devices like Ubiquiti? If not, here i'll describe how to power a Mikrotik RouterBoard via PoE and USB. I came up with this idea after the success with using a Bullet on the go, so i was curious if that would be possible with a RouterBoard SXT 5HPnd too. Initially i just tried the same cable i used for Ubiquiti but it seemed the SXT doesn't get enough volts because it reboots a few seconds after powering on. Using two USB-Ports wouldnt help as this just doubles the mA, not the voltage. Simple like it is for Ubiquiti, its not that simple for Mikrotik, but with a small addition to the cable it works also to power the SXT.

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Category: Hardware
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Because (nearly) no laptop has a connector for an external WiFi antenna and i couldn't find a 5GHz USB adapter with external antenna connector, i was curious if its possible to power an Ubiquiti Bullet M on the go. After thinking about what battery to use as power source so it fits the PoE specifications, the idea came up to use the laptop-battery, but what in turn would be too much tinkering too. So what connectors are available on a laptop which give at least the power required according to the specs? 

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Category: RaspberryPi
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Actually our house is beeing renovated and two weeks ago they started with removing the old roof so all antennas had to be removed. Next to my WiFi antennas for FunkFeuer there were still some Satellite-dishes from tenants who moved on some years ago so i took them too. I don't really watch television so i dont own a receiver but i bought a RaspberryPi some time ago and remembered its powerful GPU, ideal for HDTV applications so i just needed a DVB-S2 USB adapter to get started. After some research for DVB-S2 Devices i found Pinnacle's PCTV 460e which is supported on Linux since kernel version 3.2 so i had to give it a try.

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Category: Hardware
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Recently i saw a new Mikrotik device which i find amazing because its a complete 5GHz WiFi CPE like e.g. Ubiquiti's NanoStation M5 just more powerful and with a dual polarization 16dBi antenna. I was told, altough the SXT 5HPnd is a great device, one shouldn't use it productively because of its plastic case and front to back noise ratio thus unnecessary polluting the air. But "thats the same for Ubiquiti devices" i thought and looked for solutions on the web. RF Armor provides "Carrier Class RF Shielding Products" for Ubiquiti devices but seems none for a Mikrotik SXT. Because of its shape and dimensions it can't be hard to find a fitting "metal-case" that would completely reflect everything just to the front...

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