diff --git a/target/linux/realtek/dts/rtl8382_zyxel_gs1900-24-b1.dts b/target/linux/realtek/dts/rtl8382_zyxel_gs1900-24-b1.dts
new file mode 100644
index 0000000000..216a86a669
--- /dev/null
+++ b/target/linux/realtek/dts/rtl8382_zyxel_gs1900-24-b1.dts
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "rtl8382_zyxel_gs1900-24.dtsi"
+
+/ {
+	compatible = "zyxel,gs1900-24-b1", "realtek,rtl838x-soc";
+	model = "Zyxel GS1900-24 B1";
+
+	memory@0 {
+		reg = <0x0 0x8000000>;
+	};
+};
diff --git a/target/linux/realtek/image/rtl838x.mk b/target/linux/realtek/image/rtl838x.mk
index aa07bd371e..0564741c6c 100644
--- a/target/linux/realtek/image/rtl838x.mk
+++ b/target/linux/realtek/image/rtl838x.mk
@@ -418,6 +418,15 @@ define Device/zyxel_gs1900-24-a1
 endef
 TARGET_DEVICES += zyxel_gs1900-24-a1
 
+define Device/zyxel_gs1900-24-b1
+  $(Device/zyxel_gs1900)
+  SOC := rtl8382
+  DEVICE_MODEL := GS1900-24
+  DEVICE_VARIANT := B1
+  ZYXEL_VERS := AAHL
+endef
+TARGET_DEVICES += zyxel_gs1900-24-b1
+
 define Device/zyxel_gs1900-24e-a1
   $(Device/zyxel_gs1900)
   SOC := rtl8382