diff --git a/chirp/share/model_alias_map.yaml b/chirp/share/model_alias_map.yaml
index 3715e0e2..63a431ac 100644
--- a/chirp/share/model_alias_map.yaml
+++ b/chirp/share/model_alias_map.yaml
@@ -282,6 +282,8 @@ TXQ:
 TYT:
 - alt: Explorer QRZ-1
   model: QRZ-1
+- alt: TH-7800
+  model: TH-7900
 Tacklife:
 - alt: Radioddity R2
   model: MTR01