Wifi USB Adapter High Power 300Mbps With 20DBI Antenna | EDUP
20dBi WiFi Panel Antenna 2.4GHz Outdoor Directional 2400-2483 MHz Wireless Network Signal Pole Mast Mount Weatherproof 18/15dbi - AliExpress
China OSG-20NK grid antenna 20dBi 24dBi WiFi or cell phone wireless signal receipt with frequency range customization service Manufacturer and Supplier | Lintratek
Home WiFi 2.4GHz 20dBi Antenna with RP-SMA Male Connector Universal Durable | eBay
20dBi 433Mhz 315Mhz wifi Communication Antenna for router - AliExpress
20dbi 2.4ghz 13 Directional Elements Wireless Antenna Rp-sma Wifi Antenna For Modem Pci Card Router | Fruugo BH
China OSG-20NK grid antenna 20dBi 24dBi WiFi or cell phone wireless signal receipt with frequency range customization service Manufacturer and Supplier | Lintratek