Simple MK802IV Wi-Fi signal fix explained

mk802ivwifiLast week, we wrote up news of Rikomagic’s blog post on fixing the Wi-Fi signal issue on the MK802IV┬ámini PC. At the time, it wasn’t clear to us just what users were supposed to do but as it turns out, has managed to get to the bottom of the situation.

When Brad Linder opened up his MK802IV, he noticed the positioning of the antenna more towards the HDMI plug end of the case. However, he also figured out that the antenna appeared to be on the wrong side of the case work. After moving the antenna, he found this signal strength increased significantly. It wasn’t perfect but the gain was undeniable. To us, it suggests there might be some RF leakage or shielding issues that change when the antenna is on the other side of the circuit board.


In any case, if you have an MK802IV and you’re getting ordinary Wi-Fi connection and signal strength, try swapping the internal antenna over to the other side of the case. You’ll need to be careful so as not to break the wire connection to the board, but it might just fix the problem (at least enough to make it useable).

The MK802IV is the most recent of USB stick-style mini PCs from Rikomagic, powered by Rockchip’s quad-core RK3188 SoC CPU, based on ARM’s Cortex A9 architecture but manufactured at a more power-efficient 28-nanometre scale.

The mini PC comes with 2GB of RAM and 8GB of on-board flash storage, preloaded with Android 4.2 operating system. In addition, you’ll find 802.11b/g/n and Bluetooth wireless networking options and a MicroSD card slot, good for up to 32GB per card. It’s available online from various retailers for around the $90 mark.



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