diff --git a/pyproject.toml b/pyproject.toml
index b5f0441..cbf1ddd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "meshcore"
-version = "1.9.8"
+version = "1.9.9"
 authors = [
   { name="Florent de Lamotte", email="florent@frizoncorrea.fr" },
   { name="Alex Wolden", email="awolden@gmail.com" },
diff --git a/src/meshcore/commands.py b/src/meshcore/commands.py
index 39b55e6..93b76bc 100644
--- a/src/meshcore/commands.py
+++ b/src/meshcore/commands.py
@@ -196,8 +196,8 @@ class CommandHandler:
                 + int(0).to_bytes(1, 'little')\
                 + int(0).to_bytes(1, 'little'), [EventType.OK, EventType.ERROR])
 
-    async def set_other_params(self, manual_add_contacts : bool, telemetry_mode_base : int, telemetry_mode_loc : int) :
-        telemetry_mode = (telemetry_mode_base & 0b11) | ((telemetry_mode_loc & 0b11) << 2)
+    async def set_other_params(self, manual_add_contacts : bool, telemetry_mode_base : int, telemetry_mode_loc : int, telemetry_mode_env : int) :
+        telemetry_mode = (telemetry_mode_base & 0b11) | ((telemetry_mode_loc & 0b11) << 2) | ((telemetry_mode_env & 0b11) << 4)
         data = b"\x26" + manual_add_contacts.to_bytes(1) + telemetry_mode.to_bytes(1) 
         return await self.send(data, [EventType.OK, EventType.ERROR])
 
@@ -206,21 +206,32 @@ class CommandHandler:
         return await self.set_other_params( 
                     infos["manual_add_contacts"], 
                     telemetry_mode_base,
-                    infos["telemetry_mode_loc"])
+                    infos["telemetry_mode_loc"],
+                    infos["telemetry_mode_env"])
 
     async def set_telemetry_mode_loc(self, telemetry_mode_loc : int) :
         infos = (await self.send_appstart()).payload
         return await self.set_other_params(
                     infos["manual_add_contacts"], 
                     infos["telemetry_mode_base"],
-                    telemetry_mode_loc)
+                    telemetry_mode_loc,
+                    infos["telemetry_mode_env"])
+
+    async def set_telemetry_mode_env(self, telemetry_mode_env : int) :
+        infos = (await self.send_appstart()).payload
+        return await self.set_other_params(
+                    infos["manual_add_contacts"], 
+                    infos["telemetry_mode_base"],
+                    infos["telemetry_mode_loc"],
+                    telemetry_mode_env)
 
     async def set_manual_add_contacts(self, manual_add_contacts:bool) :
         infos = (await self.send_appstart()).payload
         return await self.set_other_params( 
                     manual_add_contacts, 
                     infos["telemetry_mode_base"],
-                    infos["telemetry_mode_loc"])
+                    infos["telemetry_mode_loc"],
+                    infos["telemetry_mode_env"])
 
     async def set_devicepin(self, pin: int) -> Event:
         logger.debug(f"Setting device PIN to: {pin}")
diff --git a/src/meshcore/reader.py b/src/meshcore/reader.py
index 11eb668..e4856fe 100644
--- a/src/meshcore/reader.py
+++ b/src/meshcore/reader.py
@@ -74,6 +74,7 @@ class MessageReader:
             self_info["public_key"] = data[4:36].hex()
             self_info["adv_lat"] = int.from_bytes(data[36:40], byteorder='little', signed=True)/1e6
             self_info["adv_lon"] = int.from_bytes(data[40:44], byteorder='little', signed=True)/1e6
+            self_info["telemetry_mode_env"] = (data[46] >> 4) & 0b11
             self_info["telemetry_mode_loc"] = (data[46] >> 2) & 0b11
             self_info["telemetry_mode_base"] = (data[46]) & 0b11
             self_info["manual_add_contacts"] = data[47] > 0