diff --git a/test/towerops/snmp/profiles/vendors/routeros_test.exs b/test/towerops/snmp/profiles/vendors/routeros_test.exs
index 6ca7ac68..733d94e6 100644
--- a/test/towerops/snmp/profiles/vendors/routeros_test.exs
+++ b/test/towerops/snmp/profiles/vendors/routeros_test.exs
@@ -267,5 +267,79 @@ defmodule Towerops.Snmp.Profiles.Vendors.RouterosTest do
 
       assert sensors == []
     end
+
+    test "discovers gauge sensors with correct divisors for voltage" do
+      expect(SnmpMock, :walk, fn _, @wl_ap_table, _ -> {:ok, []} end)
+      expect(SnmpMock, :walk, fn _, @wl_stat_table, _ -> {:ok, []} end)
+      expect(SnmpMock, :walk, fn _, @wl_60g_table, _ -> {:ok, []} end)
+      expect(SnmpMock, :walk, fn _, @lte_modem_table, _ -> {:ok, []} end)
+
+      # mtxrGaugeTable with voltage sensor (unit type 3 = deci-volts)
+      # .2.{idx} = mtxrGaugeName, .3.{idx} = mtxrGaugeValue, .4.{idx} = mtxrGaugeUnit
+      expect(SnmpMock, :walk, fn _, @gauge_table, _ ->
+        {:ok,
+         [
+           # PSU Voltage: raw value 469, unit type 3 (deci-volts) -> should be 46.9V
+           %{oid: "#{@gauge_table}.2.1", value: "psu-voltage"},
+           %{oid: "#{@gauge_table}.3.1", value: 469},
+           %{oid: "#{@gauge_table}.4.1", value: 3},
+           # CPU Temperature: raw value 450, unit type 1 (celsius * 10) -> should be 45.0°C
+           %{oid: "#{@gauge_table}.2.2", value: "cpu-temperature"},
+           %{oid: "#{@gauge_table}.3.2", value: 450},
+           %{oid: "#{@gauge_table}.4.2", value: 1}
+         ]}
+      end)
+
+      expect(SnmpMock, :walk, fn _, @optical_table, _ -> {:ok, []} end)
+      expect(SnmpMock, :get, 2, fn _, _oid, _ -> {:error, :timeout} end)
+
+      sensors = Routeros.discover_wireless_sensors(@client_opts)
+
+      # Find the voltage sensor
+      voltage_sensor = Enum.find(sensors, &(&1.sensor_descr == "psu-voltage"))
+      assert voltage_sensor
+      assert voltage_sensor.sensor_type == "voltage"
+      assert voltage_sensor.sensor_unit == "V"
+      assert voltage_sensor.sensor_divisor == 10
+      assert voltage_sensor.last_value == 46.9
+
+      # Find the temperature sensor
+      temp_sensor = Enum.find(sensors, &(&1.sensor_descr == "cpu-temperature"))
+      assert temp_sensor
+      assert temp_sensor.sensor_type == "temperature"
+      assert temp_sensor.sensor_unit == "°C"
+      assert temp_sensor.sensor_divisor == 10
+      assert temp_sensor.last_value == 45.0
+    end
+
+    test "overrides sensor type based on name when unit type is unknown" do
+      expect(SnmpMock, :walk, fn _, @wl_ap_table, _ -> {:ok, []} end)
+      expect(SnmpMock, :walk, fn _, @wl_stat_table, _ -> {:ok, []} end)
+      expect(SnmpMock, :walk, fn _, @wl_60g_table, _ -> {:ok, []} end)
+      expect(SnmpMock, :walk, fn _, @lte_modem_table, _ -> {:ok, []} end)
+
+      # Device reports wrong unit type (0 = unknown) but name contains "voltage"
+      expect(SnmpMock, :walk, fn _, @gauge_table, _ ->
+        {:ok,
+         [
+           %{oid: "#{@gauge_table}.2.1", value: "Board Voltage"},
+           %{oid: "#{@gauge_table}.3.1", value: 120},
+           %{oid: "#{@gauge_table}.4.1", value: 0}
+         ]}
+      end)
+
+      expect(SnmpMock, :walk, fn _, @optical_table, _ -> {:ok, []} end)
+      expect(SnmpMock, :get, 2, fn _, _oid, _ -> {:error, :timeout} end)
+
+      sensors = Routeros.discover_wireless_sensors(@client_opts)
+
+      voltage_sensor = Enum.find(sensors, &(&1.sensor_descr == "Board Voltage"))
+      assert voltage_sensor
+      # Should override to voltage based on name, with divisor 10
+      assert voltage_sensor.sensor_type == "voltage"
+      assert voltage_sensor.sensor_unit == "V"
+      assert voltage_sensor.sensor_divisor == 10
+      assert voltage_sensor.last_value == 12.0
+    end
   end
 end