Wifi Drops outs on Rasp Pi 2 B with RC

Help and Support Raspberry Pi
60

Hello,
I want to add my problem in this topic, because it looks like similar, but with small differences:

Hardware
Raspberry 2
WiFI: Edimax Technology Co., Ltd EW-7811Un 802.11n Wireless Adapter [Realtek RTL8188CUS]

As power i Have 2.1amper adapter.

Case
After connection to WLAN after few second/min i lost connection but only with internet internal network f.e. ssh still working, I can ping/telnet other computers in network.
To restore connection with internet I must restart router.

logs/others
WiFi connection is in good condition:

  1. wavemon shows 96+% as link quality and 18dBm singal.
  2. log dump on my google drive https://drive.google.com/open?id=0B51URSTcqlXJR3Y0OWx1WUhoOTg