TP-Link CPE210/220 is a 2.4Ghz outdoor access point similar to Ubiquiti NanoStations. There is also a 5GHz Version of this AP, the TP-Link CPE510/520. The device has a built-in 9dBi 2×2 dual-polarized directional MIMO antenna with a beamwidth of 65° (H-Plane) and 35° (E-Plane).
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and accept the invalid certificate
Note: This will void your warranty!
Remove the cap at the lower back of the device. Underneath the sticker which labels “GND”, “LAN0”, “LAN1” and “RESET” in the lower left and lower right corner, there are two screws to remove. Afterwards, you can slide the whole board out of the case by applying some force. The v1 and v3 models have also glue applied in the area under the “Model”/“S/N” sticker. Stick in a knive between the both plastic case parts to losen it.
Front with one of the screws to remove (v1), Main PCB (v1), Antenna (v1), Side view (v1)