Turn a Raspberry Pi into a Wi-Fi access point or repeater
cmheong's blog: Raspberry Pi Zero W as WiFi Repeater
WiFi USB Adapter for PC & Raspberry PI - 1200Mbps 2.4GHz Wireless Wi-Fi USB Receiver Booster Laptop Desktop PC Network USB WiFi Wireless LAN 802.11 n Adapter Antenna Network LAN Card -
Turn a Raspberry Pi into a Wi-Fi access point or repeater