Want to use an external antenna with the Raspberry Pi 4 Model B?. These Raspberry Pi 4 boards are carefully hand-modified to add a U.FL connector and connect it up. Following the modification, every Pi is tested using a partially automated process to confirm that the new antenna connection is working properly.
![Raspberry Pi 4 4GB_passive heat sink_3D printed case_32GB SD Card [RED] Free S/H](https://images.buynet.work/thumb.php?i=363927253&s=240)
