diff --git a/README.md b/README.md
index efacb82..57638be 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Our project is currently made of the following physical parts:
   - A Compex WPJ428 board - [wi-cat.ru](https://wikidevi.wi-cat.ru/Compex_WPJ428)
   - A Simcom 8202G modema - [official site](https://www.simcom.com/product/SIM8202GM2.html)
   - Some antennas, the setup is not definitive yet
-    - Directional antenna LTE 800/1800/2600 MHz, MIMO, SMA - [wimo](https://www.wimo.com/en/antennas/gsm-lte-mobile-phone-antennas/60072) 
+    - Log-Periodic Dipole Array (LPDA) Antenna - Directional antenna LTE 800/1800/2600 MHz, MIMO, SMA - [wimo](https://www.wimo.com/en/antennas/gsm-lte-mobile-phone-antennas/60072) - [diff between yagi and lpda](https://powerfulsignal.com/blog/whats-the-difference-between-an-lpda-antenna-and-a-yagi-antenna/)
     - A cheap cross antenna - [amazon](https://www.amazon.fr/gp/product/B00BBKKULW/ref=ppx_yo_dt_b_asin_title_o04_s00)
     - Some small wifi-like antenna - [wimo, similar but different](https://www.wimo.com/en/antennas/gsm-lte-mobile-phone-antennas/60022-sma)