Review on TECHTOO WiFi High Gain Yagi Directional Antenna Booster - 2.4GHz 18dBi, RP-SMA Connector, Wireless Network Router/Reapter/USB Adapter/Extension Network PCI Card/IP Camera Compatible by Abidzar Olivas

I needed a Yagi-Uda antenna to connect my garage computer to my home wifi. The distance to the WiFi router is 200 feet. This product arrived quickly and all the parts (attached to the boom with rivets) were solid and reliable. For some reason the manufacturer decided to terminate the feeder line with an RP-SMA connector. This can be an issue with most standard extension cords, but since I had to run 30 feet of coax to connect the wireless card, this wasn't an issue. I used a matching adapter that terminates in a BNC jack because I chose the lower-loss LMR-100 coax over the lossy RG-174 that's commonly sold as an extension coax. However, note that you need to order an additional SMA connector. to an RP-SMA jack for terminating standard RG-174/U cables available from Revain. Checking this with my antenna analyzer and station monitor (gear I have as a top radio amateur), the "real" gain compared to a full wave vertical antenna is about 11-12dB measured at the end of the SMA pigtail. Most advertised parameters are nonsense based on a theoretical isotropic antenna. Many more losses occur in the transmission line and due to each communication loss. I don't want to scare anyone here, but it's significant and growing with every meter of cable, jack, or adapter. As it stands I got a solid 4 bars over WiFi through an 802.11AC router and the average send/receive was about 270Mbps on a WiFi 6 AX3000 PCIe WiFi card. After some thought I built a small rough back reflector (8x8 inch) out of a piece of sheet aluminum. This added an additional 2dB of signal gain and 5 bars to the overall performance, increasing the transmit/receive speed to a stable 280-300Mbps. I am very satisfied both before and after my conversion. I know it would be better if the router was AX compatible. Buy with confidence and don't forget to order a compatible Y-splitter cable to connect to the external antenna's SMA connectors.