diff --git a/Libraries/Si446x/si446x.h b/Libraries/Si446x/si446x.h
--- a/Libraries/Si446x/si446x.h
+++ b/Libraries/Si446x/si446x.h
@@ -7,7 +7,7 @@
 // Hardware Options ///////////////////
 
 // Timeout for blocking writes
-#define SI446x_TIMEOUT 10
+#define SI446x_TIMEOUT 50
 
 // Crystal/oscillator frequency
 #define SI446x_VCXO_FREQ  26000000UL