port-i386/47781: Realtek 802.11n WLAN Adapter, RTL8188CUS stop working with high rf input

[jorge_gm%rocketmail.com@localhost]

>Number:         47781
>Category:       port-i386
>Synopsis:       Realtek 802.11n WLAN Adapter, RTL8188CUS stop working with 
>high rf input
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    port-i386-maintainer
>State:          open
>Class:          support
>Submitter-Id:   net
>Arrival-Date:   Mon Apr 29 12:50:01 +0000 2013
>Originator:     jorge
>Release:        6.0.1
>Organization:
none
>Environment:
NetBSD NetBSD 6.0.1 NetBSD 6.0.1 (GENERIC) i386

>Description:
Realtek 802.11n WLAN Adapter, RTL8188CUS stop working with high rf input. The 
usb adapter ENUWI-1X45 works without the external antenna , but when the 
antenna is connected, the led freeze (light on) and lost the connection.In 
6.0_RC2 work good but have less sensitivity like in the comment: 
http://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=47723

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dmesg
urtwn0 at uhub1 port 1
urtwn0: Realtek 802.11n WLAN Adapter, rev 2.00/2.00, addr 2
urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address fc:8f:xx:xx:xx:xx
urtwn0: 1 rx pipe, 2 tx pipes
urtwn0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
urtwn0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 
36Mbps 48Mbps 54Mbps

--------------------------------

With the realtek binary works with and without antenna in windows and linux , 
so its not hw or mechanical issue.



>How-To-Repeat:
Attach the usb adapter with no antenna (works), and then connect the antenna 
(instantly stop working).
>Fix: