diff --git a/luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json b/luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json
index 5dea37d..bce84cd 100644
--- a/luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json
+++ b/luci/luci-app-qmodem/root/usr/share/qmodem/modem_support.json
@@ -534,6 +534,25 @@
                     "ncm"
                 ]
             },
+            "rg520f-jo": {
+                "manufacturer_id": "2c7c",
+                "manufacturer": "quectel",
+                "platform": "qualcomm",
+                "data_interface": "usb",
+                "define_connect": "1",
+                "wcdma_band": "0",
+                "lte_band": "0",
+                "nsa_band": "0",
+                "sa_band": "78",
+                "modes": [
+                    "qmi",
+                    "gobinet",
+                    "ecm",
+                    "mbim",
+                    "rndis",
+                    "ncm"
+                ]
+            },
             "rg530f-na": {
                 "manufacturer_id": "2c7c",
                 "manufacturer": "quectel",
@@ -1143,6 +1162,21 @@
                     "mbim"
                 ]
             },
+            "rg520f-jo": {
+                "manufacturer": "quectel",
+                "platform": "qualcomm",
+                "data_interface": "pcie",
+                "define_connect": "1",
+                "wcdma_band": "0",
+                "lte_band": "0",
+                "nsa_band": "0",
+                "sa_band": "78",
+                "modes": [
+                    "qmi",
+                    "gobinet",
+                    "mbim"
+                ]
+            },
             "rg530f-na": {
                 "manufacturer": "quectel",
                 "platform": "qualcomm",