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Instrumental
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Is it possible to build BDM-2 on 4mm steel boom? Does boom size affect the frequency? I intend to use it indoors only since router is too far away. I have 1mm aluminum plate and 0.5mm copper plate 100x300mm Or should I built lower gain antenna for indoors use? Cell tower is approx 550m away, one building in between
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Oh thanks for letting me know! ...disappointing but I will wait out for new antenna solution then I guess. best regards
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Thanks for insight. I have found the right measures on Cantennator app which I will post below. However, I can’t find instructions on how to polarize Disk-Yagi antenna (put them in MIMO) as it has circular main driven element. Im sure radiation patterns are different on Yagi-Disk antenna compared toYagi-Uda antennas. How do I know what is 45 degrees on Yagi Disk antenna? Is circular disk problematic with pairing MIMO antennas comparing to Yagi-Uda? I’m not sure how to apply your lambda measurement on scale either. Sorry for lack of math skills haha Thanks
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Hello Recently, I have ordered the materials for building this type of antenna. However I’ve only found one scheme for 1.8 ghz disc yagi antenna and I’m not sure if the measures are correct. Should I also make two antennas for 4G router if it has two sma connectors on the back or it would work fine with just one? Can someone help me improve or confirm the existing antenna design shown in the picture? Thanks Additional read: 1. I plan on making two 1.8GHz external antennas for my 4G router (Huawei HA35) in hope it would improve signal reception and speed. Router operates in average of 1.5/3 signal bars (4,5mbit download/1.5mbit upload). 2. I have measured the output antenna voltage on two female SMA connectors located on the back side of the router (~1.75V, separate circuits). ISP: HT HR, 4G-LTE (Band 3, Band 20) 2. Why disc yagi? It’s easy to build elements on winding rod 3. I am aware this design has its flaws and antenna would be in shorted unless isolated on the main rod which I plan to do DE7E86F9-CD4E-4847-A8E1-64EB20C5B81C.webp