Ubuntu: Wifi range very low Ubuntu Gnome 16.04


I was using windows 10. After I dual booted it with Ubuntu genome 16.04, at first even the wifi network was not being detected. Later I fixed it following some guides, but the range is very low. Wifi is working perfectly in Windows. What are the possible reasons and methods of fixing it?

Output of lspci -knn | grep Net -A2:

03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]      Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter [103c:804c]      Kernel driver in use: rtl8723be      Kernel modules: rtl8723be  

Output of lshw:

   description: Wireless interface     product: RTL8723BE PCIe Wireless Network Adapter     vendor: Realtek Semiconductor Co., Ltd.     physical id: 0     bus info: pci@0000:03:00.0     logical name: wlp3s0     version: 00     serial: 68:14:01:07:94:5f     width: 64 bits     clock: 33MHz     capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless     configuration: broadcast=yes driver=rtl8723be driverversion=4.4.0-21-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bgn     resources: irq:17 ioport:3000(size=256) memory:a1100000-a1103fff  

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