diff --git a/API.md b/API.md
index a2becbf..54d6dfc 100644
--- a/API.md
+++ b/API.md
@@ -39,9 +39,9 @@ Override the default SPI frequency of 10 MHz used by the library. **Must** be ca
 ```arduino
 LoRa.setSPIFrequency(frequency);
 ```
- * `frequency` - new SPI frequency to use, defaults to `10E6`
+ * `frequency` - new SPI frequency to use, defaults to `8E6`
 
-This call is optional and only needs to be used if you need to change the default SPI frequency used. Some logic level converters cannot support high speeds such as 10 MHz, so a lower SPI frequency can be selected with `LoRa.setSPIFrequency(frequency)`.
+This call is optional and only needs to be used if you need to change the default SPI frequency used. Some logic level converters cannot support high speeds such as 8 MHz, so a lower SPI frequency can be selected with `LoRa.setSPIFrequency(frequency)`.
 
 ### End
 
diff --git a/src/LoRa.cpp b/src/LoRa.cpp
index 92300f5..6d41414 100644
--- a/src/LoRa.cpp
+++ b/src/LoRa.cpp
@@ -48,7 +48,7 @@
 #define MAX_PKT_LENGTH           255
 
 LoRaClass::LoRaClass() :
-  _spiSettings(10E6, MSBFIRST, SPI_MODE0),
+  _spiSettings(8E6, MSBFIRST, SPI_MODE0),
   _ss(LORA_DEFAULT_SS_PIN), _reset(LORA_DEFAULT_RESET_PIN), _dio0(LORA_DEFAULT_DIO0_PIN),
   _frequency(0),
   _packetIndex(0),