Amazon has TP-Link N300 WiFi Range Extender for $17.99 with free shipping on orders over $25 or for prime member, you can save $12.00 at checkout.
- Boost your WiFi network for stronger wireless performance and coverage
- Easily expand wireless coverage at a push of the Range Extender button
- Works with any WiFi router or wireless access point. Frequency: 2.4~2.4835GHz
- Two external antennas for faster and more reliable WiFi.System
- Requirements:Microsoft Windows 98SE, NT, 2000, XP, Vista or Windows 7, 8, 8.1, 10, Mac OS, NetWare, UNIX or Linux.
- Supports AP mode which creates a new WiFi access point