--- linux-2.6.20.3.1/drivers/net/wireless/bcm43xx/bcm43xx.h	2007-03-13 19:27:08.000000000 +0100
+++ linux/drivers/net/wireless/bcm43xx/bcm43xx.h	2007-04-07 18:05:36.000000000 +0200
@@ -389,7 +389,9 @@
 /* Threshold values. */
 #define BCM43xx_MIN_RTS_THRESHOLD		1U
 #define BCM43xx_MAX_RTS_THRESHOLD		2304U
-#define BCM43xx_DEFAULT_RTS_THRESHOLD		BCM43xx_MAX_RTS_THRESHOLD
+//#define BCM43xx_DEFAULT_RTS_THRESHOLD		BCM43xx_MAX_RTS_THRESHOLD
+//// PTT
+#define BCM43xx_DEFAULT_RTS_THRESHOLD		1216U
 
 #define BCM43xx_DEFAULT_SHORT_RETRY_LIMIT	7
 #define BCM43xx_DEFAULT_LONG_RETRY_LIMIT	4