diff --git a/esphome/components/modem/helpers.cpp b/esphome/components/modem/helpers.cpp
index 09515e7db5..9a89e622c0 100644
--- a/esphome/components/modem/helpers.cpp
+++ b/esphome/components/modem/helpers.cpp
@@ -9,6 +9,9 @@
 #include <esp_idf_version.h>
 #include <esp_task_wdt.h>
 
+#include <unordered_map>
+#include <string>
+
 namespace esphome {
 namespace modem {
 
@@ -46,6 +49,30 @@ std::string state_to_string(ModemComponentState state) {
   return str;
 }
 
+// Access Technology from AT+CNSMOD?
+// see https://www.waveshare.com/w/upload/a/af/SIM7500_SIM7600_Series_AT_Command_Manual_V3.00.pdf, page 109
+static const std::unordered_map<int, std::string> ACT_MAP = {{0, "No service"},
+                                                             {1, "GSM"},
+                                                             {2, "GPRS"},
+                                                             {3, "EGPRS (EDGE)"},
+                                                             {4, "WCDMA"},
+                                                             {5, "HSDPA only (WCDMA)"},
+                                                             {6, "HSUPA only (WCDMA)"},
+                                                             {7, "HSPA (HSDPA and HSUPA, WCDMA)"},
+                                                             {8, "LTE"},
+                                                             {9, "TDS-CDMA"},
+                                                             {10, "TDS-HSDPA only"},
+                                                             {11, "TDS-HSUPA only"},
+                                                             {12, "TDS-HSPA (HSDPA and HSUPA)"},
+                                                             {13, "CDMA"},
+                                                             {14, "EVDO"},
+                                                             {15, "HYBRID (CDMA and EVDO)"},
+                                                             {16, "1XLTE (CDMA and LTE)"},
+                                                             {23, "EHRPD"},
+                                                             {24, "HYBRID (CDMA and EHRPD)"}};
+
+std::string get_network_type_name(int act) { return ACT_MAP.at(act); }
+
 }  // namespace modem
 }  // namespace esphome
 #endif  // USE_ESP_IDF
diff --git a/esphome/components/modem/helpers.h b/esphome/components/modem/helpers.h
index 92b9b718f5..32d58f1e33 100644
--- a/esphome/components/modem/helpers.h
+++ b/esphome/components/modem/helpers.h
@@ -13,6 +13,8 @@ std::string command_result_to_string(command_result err);
 
 std::string state_to_string(ModemComponentState state);
 
+std::string get_network_type_name(int act);
+
 }  // namespace modem
 }  // namespace esphome
 #endif  // USE_ESP_IDF