diff --git a/README.md b/README.md
index 940b501..45139b4 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,7 @@ the hardware setup.
 * [Adafruit Ultimate GPS Breakout]
 * ATGM336H
 * Beitian BN-180
+* Beitian BN-220
 * Beitian BN-280
 * Beitian BN-880
 * Beitian BK-250