--- /home/maxx/dfbsd/dfbsd/sys/netbt/rfcomm.h	2026-06-29 12:51:19.000000000 +0000
+++ rh.h	2026-10-11 12:26:52.948871124 +0000
@@ -214,7 +214,7 @@
 #define RFCOMM_CR(b)			(((b) & 0x02) >> 1)
 #define RFCOMM_PF(b)			(((b) & 0x10) >> 4)
 
-#define RFCOMM_CHANNEL(dlci)		(((dlci) >> 1) & 0x2f)
+#define RFCOMM_CHANNEL(dlci)		(((dlci) >> 1) & 0x1f)
 #define RFCOMM_DIRECTION(dlci)		((dlci) & 0x1)
 
 #define RFCOMM_MKADDRESS(cr, dlci) \