diff --git a/src/main/java/ru/r2cloud/R2Cloud.java b/src/main/java/ru/r2cloud/R2Cloud.java
index cae21948..5f6c2dfc 100644
--- a/src/main/java/ru/r2cloud/R2Cloud.java
+++ b/src/main/java/ru/r2cloud/R2Cloud.java
@@ -355,8 +355,8 @@ private static void populateFrequencies(LoraStatus status, DeviceConfiguration c
 			if (!cur.getName().equalsIgnoreCase("lora")) {
 				continue;
 			}
-			config.setMinimumFrequency((long) (cur.getMinFrequency() * 1_000_000));
-			config.setMaximumFrequency((long) (cur.getMaxFrequency() * 1_000_000));
+			config.setMinimumFrequency(cur.getMinFrequency());
+			config.setMaximumFrequency(cur.getMaxFrequency());
 			return;
 		}
 	}
diff --git a/src/main/java/ru/r2cloud/lora/ModulationConfig.java b/src/main/java/ru/r2cloud/lora/ModulationConfig.java
index 7c16cc45..06d7e5ac 100644
--- a/src/main/java/ru/r2cloud/lora/ModulationConfig.java
+++ b/src/main/java/ru/r2cloud/lora/ModulationConfig.java
@@ -3,8 +3,8 @@
 public class ModulationConfig {
 
 	private String name;
-	private float minFrequency;
-	private float maxFrequency;
+	private long minFrequency;
+	private long maxFrequency;
 
 	public String getName() {
 		return name;
@@ -14,19 +14,19 @@ public void setName(String name) {
 		this.name = name;
 	}
 
-	public float getMinFrequency() {
+	public long getMinFrequency() {
 		return minFrequency;
 	}
-
-	public void setMinFrequency(float minFrequency) {
+	
+	public void setMinFrequency(long minFrequency) {
 		this.minFrequency = minFrequency;
 	}
-
-	public float getMaxFrequency() {
+	
+	public long getMaxFrequency() {
 		return maxFrequency;
 	}
-
-	public void setMaxFrequency(float maxFrequency) {
+	
+	public void setMaxFrequency(long maxFrequency) {
 		this.maxFrequency = maxFrequency;
 	}
 
diff --git a/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient.java b/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient.java
index 97d9867a..4d66c7b3 100644
--- a/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient.java
+++ b/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient.java
@@ -42,7 +42,7 @@ public LoraAtSerialClient(String portDescriptor, int timeout, SerialInterface se
 		this.serial = serial;
 		this.clock = clock;
 	}
-	
+
 	@Override
 	public boolean isSupported() {
 		List<String> response;
@@ -52,7 +52,7 @@ public boolean isSupported() {
 			LOG.info(e.getMessage());
 			return false;
 		}
-		if( response.isEmpty() || response.size() != 1 ) {
+		if (response.isEmpty() || response.size() != 1) {
 			return false;
 		}
 		return response.get(0).equalsIgnoreCase("1.0");
@@ -85,8 +85,8 @@ public LoraStatus getStatus() {
 			}
 			ModulationConfig loraConfig = new ModulationConfig();
 			loraConfig.setName(parts[0].toLowerCase());
-			loraConfig.setMinFrequency(Float.parseFloat(parts[1]));
-			loraConfig.setMaxFrequency(Float.parseFloat(parts[2]));
+			loraConfig.setMinFrequency((long) (Float.parseFloat(parts[1]) * 1_000_000));
+			loraConfig.setMaxFrequency((long) (Float.parseFloat(parts[2]) * 1_000_000));
 			configs.add(loraConfig);
 		}
 		result.setConfigs(configs);
diff --git a/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient2.java b/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient2.java
index c1a6d3e6..378af5bd 100644
--- a/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient2.java
+++ b/src/main/java/ru/r2cloud/lora/loraat/LoraAtSerialClient2.java
@@ -64,8 +64,8 @@ public LoraStatus getStatus() {
 		try {
 			ModulationConfig loraConfig = new ModulationConfig();
 			loraConfig.setName(readParameter("AT+GMR"));
-			loraConfig.setMinFrequency(Float.parseFloat(readParameter("AT+MINFREQ?")));
-			loraConfig.setMaxFrequency(Float.parseFloat(readParameter("AT+MAXFREQ?")));
+			loraConfig.setMinFrequency(Long.parseLong(readParameter("AT+MINFREQ?")));
+			loraConfig.setMaxFrequency(Long.parseLong(readParameter("AT+MAXFREQ?")));
 			List<ModulationConfig> configs = new ArrayList<>();
 			configs.add(loraConfig);
 			result.setStatus("IDLE");
diff --git a/src/main/java/ru/r2cloud/lora/r2lora/R2loraClient.java b/src/main/java/ru/r2cloud/lora/r2lora/R2loraClient.java
index 1f4f1da8..38183a87 100644
--- a/src/main/java/ru/r2cloud/lora/r2lora/R2loraClient.java
+++ b/src/main/java/ru/r2cloud/lora/r2lora/R2loraClient.java
@@ -219,8 +219,8 @@ private static ModulationConfig readConfig(JsonObject obj, String name) {
 		JsonObject modulationObj = value.asObject();
 		ModulationConfig result = new ModulationConfig();
 		result.setName(name);
-		result.setMaxFrequency(modulationObj.getFloat("maxFreq", 0));
-		result.setMinFrequency(modulationObj.getFloat("minFreq", 0));
+		result.setMaxFrequency((long) (modulationObj.getFloat("maxFreq", 0) * 1_000_000));
+		result.setMinFrequency((long) (modulationObj.getFloat("minFreq", 0) * 1_000_000));
 		return result;
 	}
 
diff --git a/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClient2Test.java b/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClient2Test.java
index 2b7653a9..43bded60 100644
--- a/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClient2Test.java
+++ b/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClient2Test.java
@@ -99,8 +99,8 @@ public void testStatusSuccess() {
 		assertEquals(1, status.getConfigs().size());
 		ModulationConfig config = status.getConfigs().get(0);
 		assertEquals("2.0", config.getName());
-		assertEquals(863000000, config.getMinFrequency(), 0.0f);
-		assertEquals(928000000, config.getMaxFrequency(), 0.0f);
+		assertEquals(863000000, config.getMinFrequency());
+		assertEquals(928000000, config.getMaxFrequency());
 		assertEquals("AT+GMR\r\nAT+MINFREQ?\r\nAT+MAXFREQ?\r\n", new String(baos.toByteArray(), StandardCharsets.ISO_8859_1));
 	}
 
diff --git a/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClientTest.java b/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClientTest.java
index 852781cb..62f9c206 100644
--- a/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClientTest.java
+++ b/src/test/java/ru/r2cloud/lora/loraat/LoraAtSerialClientTest.java
@@ -99,8 +99,8 @@ public void testStatusSuccess() {
 		assertEquals(1, status.getConfigs().size());
 		ModulationConfig config = status.getConfigs().get(0);
 		assertEquals("lora", config.getName());
-		assertEquals(863, config.getMinFrequency(), 0.0f);
-		assertEquals(928, config.getMaxFrequency(), 0.0f);
+		assertEquals(863000000, config.getMinFrequency());
+		assertEquals(928000000, config.getMaxFrequency());
 	}
 
 	@Test
diff --git a/src/test/java/ru/r2cloud/lora/r2lora/R2loraClientTest.java b/src/test/java/ru/r2cloud/lora/r2lora/R2loraClientTest.java
index c841a01a..a2da724e 100644
--- a/src/test/java/ru/r2cloud/lora/r2lora/R2loraClientTest.java
+++ b/src/test/java/ru/r2cloud/lora/r2lora/R2loraClientTest.java
@@ -41,8 +41,8 @@ public void testStatus() {
 		assertEquals(1, status.getConfigs().size());
 		ModulationConfig loraConfig = status.getConfigs().get(0);
 		assertEquals("lora", loraConfig.getName());
-		assertEquals(144.0, loraConfig.getMinFrequency(), 0.0001f);
-		assertEquals(500.1, loraConfig.getMaxFrequency(), 0.0001f);
+		assertEquals(144000000, loraConfig.getMinFrequency());
+		assertEquals(500100000, loraConfig.getMaxFrequency());
 	}
 
 	@Test