If your router still won't reach far enough, you can extend its range with simple WiFi signal EDUP EP-AB003 2.4G 8W 39dBm 802.11b/g/n WIFI Signal Booster Broadband Amplifier.
Low-noise receive gain.
Signal activity LED indicates
High Gain, High Value, High Performance.
Maximum output power of 8000mW by the Booster.
Plug-and-play, Easy installation, no driver needed.
Ideal for increase the 2400-2500Mhz frequency devices.
Increase the effective range and coverage area of your Wi-Fi network.
Simply attach the booster in between the standard antenna on a wireless router or wireless access point and watch your range grow.
The amplified wireless signal may even penetrate complex environments with many walls and obstacles.
Ideal for use with 2.4GHz Wireless LANs, Support 802.11b, 802.11g, 802.11n (2.4Ghz mode only).
