diff --git a/src/packet/types.rs b/src/packet/types.rs
index 3cabee0..21a7487 100644
--- a/src/packet/types.rs
+++ b/src/packet/types.rs
@@ -68,8 +68,11 @@ pub mod data_rate {
         }
     }
 
-    #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
+    #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, Default)]
     pub enum SpreadingFactor {
+        SF5,
+        SF6,
+        #[default]
         SF7,
         SF8,
         SF9,
@@ -82,6 +85,8 @@ pub mod data_rate {
         type Err = ParseError;
         fn from_str(s: &str) -> Result<Self, Self::Err> {
             match s {
+                "SF5" => Ok(SpreadingFactor::SF5),
+                "SF6" => Ok(SpreadingFactor::SF6),
                 "SF7" => Ok(SpreadingFactor::SF7),
                 "SF8" => Ok(SpreadingFactor::SF8),
                 "SF9" => Ok(SpreadingFactor::SF9),
@@ -93,15 +98,11 @@ pub mod data_rate {
         }
     }
 
-    impl Default for SpreadingFactor {
-        fn default() -> Self {
-            SpreadingFactor::SF7
-        }
-    }
-
     impl SpreadingFactor {
         pub fn to_u8(&self) -> u8 {
             match self {
+                Self::SF5 => 5,
+                Self::SF6 => 6,
                 Self::SF7 => 7,
                 Self::SF8 => 8,
                 Self::SF9 => 9,
@@ -112,9 +113,10 @@ pub mod data_rate {
         }
     }
 
-    #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
+    #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, Default)]
     pub enum Bandwidth {
         BW125,
+        #[default]
         BW250,
         BW500,
     }
@@ -143,12 +145,6 @@ pub mod data_rate {
         }
     }
 
-    impl Default for Bandwidth {
-        fn default() -> Self {
-            Bandwidth::BW250
-        }
-    }
-
     impl Bandwidth {
         pub fn to_hz(&self) -> u32 {
             match self {