diff --git a/HamShield-Specifications.md b/HamShield-Specifications.md
index a4b594c..2df40b8 100644
--- a/HamShield-Specifications.md
+++ b/HamShield-Specifications.md
@@ -6,7 +6,7 @@ HamShield Specifications
 
 * Max number of HAMShields per Arduino: 1 (Address selector may allow 2, but unsupported)
 
-* Power Output: 250mW (provisional specification)
+* Power Output: 500mW+ (provisional specification)
 
 * Modulation: FM