{"id":2588,"date":"2018-11-14T04:03:27","date_gmt":"2018-11-14T04:03:27","guid":{"rendered":"http:\/\/www.mtin.net\/blog\/?p=2588"},"modified":"2018-11-14T04:03:27","modified_gmt":"2018-11-14T04:03:27","slug":"frequency-does-matter","status":"publish","type":"post","link":"https:\/\/www.mtin.net\/blog\/frequency-does-matter\/","title":{"rendered":"Frequency does matter"},"content":{"rendered":"

Recently we installed a PTP 550 link for a client.\u00a0 This is a connectorized\u00a0version with 2-foot dishes on it for a four-mile link.\u00a0 Overkill you say, but the idea is the dishes make up the gain and not transmitter power.\u00a0 A much cleaner signal can be achieved which falls within the FCC guidelines for total EIRP.<\/p>\n

So let’s get to it.\u00a0 Our first image is out path.\u00a0 This link had clear line of sight from a 150-foot foot water tower to a 240-foot tower.<\/p>\n

\"\"
Google Earth Path<\/figcaption><\/figure>\n
\"\"
The 240 Foot tower<\/figcaption><\/figure>\n
\"\"
150 Foot water tower<\/figcaption><\/figure>\n

After getting out of the cold we let things burn in for a few days. This is what an initial spectrum analysis looked like.<\/p>\n

\"\"<\/p>\n

\"\"
Radio Frequency set on 5820 mhz<\/figcaption><\/figure>\n
\"\"
Radio Frequency set on 5200mhz<\/figcaption><\/figure>\n

As you can see the RSSI was within 2 DB, which isn’t terrible.\u00a0 However, due to interference, the MCS rates are markedly different, which is what results in the big differences in speed.\u00a0 Please note this is only with one radio enabled and on a 20mhz channel.\u00a0 We fully expect bigger speeds once we up channel sizes and enable the second radio.<\/p>\n","protected":false},"excerpt":{"rendered":"

Recently we installed a PTP 550 link for a client.\u00a0 This is a connectorized\u00a0version with 2-foot dishes on it for a four-mile link.\u00a0 Overkill you say, but the idea is the dishes make up the gain and not transmitter power.\u00a0 A much cleaner signal can be achieved which falls within the FCC guidelines for total […]<\/p>\n","protected":false},"author":1,"featured_media":2591,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[119,51,86,156,8,2],"tags":[329,120,652,651,621,88],"jetpack_publicize_connections":[],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2018\/11\/IMG_0654-e1542167714867.jpg?fit=1315%2C1228&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6VLMf-FK","jetpack-related-posts":[{"id":3166,"url":"https:\/\/www.mtin.net\/blog\/cambium-install-in-northern-indiana\/","url_meta":{"origin":2588,"position":0},"title":"Cambium Install in Northern Indiana","author":"j2sw","date":"March 29, 2019","format":false,"excerpt":"Small install to a 90 foot tower.\u00a0 Tower was utilizing epmp with a netonix switch at the bottom.\u00a0 Tower was fed with an integrated Cambium 550.","rel":"","context":"In \"cambium\"","block_context":{"text":"cambium","link":"https:\/\/www.mtin.net\/blog\/tag\/cambium-2\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2019\/03\/UNADJUSTEDNONRAW_thumb_2ab4.jpg?fit=1024%2C768&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2019\/03\/UNADJUSTEDNONRAW_thumb_2ab4.jpg?fit=1024%2C768&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2019\/03\/UNADJUSTEDNONRAW_thumb_2ab4.jpg?fit=1024%2C768&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":2637,"url":"https:\/\/www.mtin.net\/blog\/ptp-550-continuation\/","url_meta":{"origin":2588,"position":1},"title":"PTP 550 continuation","author":"j2sw","date":"November 21, 2018","format":false,"excerpt":"In a previous post, I mentioned a 5-mile link using Cambium PTP550s and why frequency matters. Today we enabled the second radio and have some results from that.\u00a0 First, let us talk about some of the parameters. As you can see from our frequency scan we have a very noisy\u2026","rel":"","context":"In "Cambium"","block_context":{"text":"Cambium","link":"https:\/\/www.mtin.net\/blog\/category\/cambium\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2018\/11\/Screen-Shot-2018-11-21-at-1.17.59-PM-3-e1542826783480.png?fit=865%2C352&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2018\/11\/Screen-Shot-2018-11-21-at-1.17.59-PM-3-e1542826783480.png?fit=865%2C352&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2018\/11\/Screen-Shot-2018-11-21-at-1.17.59-PM-3-e1542826783480.png?fit=865%2C352&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3150,"url":"https:\/\/www.mtin.net\/blog\/wisp-install-cambium-baicells-netonix\/","url_meta":{"origin":2588,"position":2},"title":"WISP Install Cambium, Baicells, netonix","author":"j2sw","date":"March 29, 2019","format":false,"excerpt":"","rel":"","context":"In \"baicells\"","block_context":{"text":"baicells","link":"https:\/\/www.mtin.net\/blog\/tag\/baicells\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2019\/03\/UNADJUSTEDNONRAW_thumb_2d7a.jpg?fit=768%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2019\/03\/UNADJUSTEDNONRAW_thumb_2d7a.jpg?fit=768%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2019\/03\/UNADJUSTEDNONRAW_thumb_2d7a.jpg?fit=768%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3011,"url":"https:\/\/www.mtin.net\/blog\/flash-briefing\/","url_meta":{"origin":2588,"position":3},"title":"Flash briefing","author":"j2sw","date":"March 22, 2019","format":false,"excerpt":"Tower One Spring show Tower one is kicking off its early spring road tour with the following stops to conduct tower safety and rescue training. If anyone would like to join any of these classes feel free to contact us at: sales@toweroneinc.com March 26-27th Upland, Indiana April 8-9th Lasara, Texas\u2026","rel":"","context":"In "5G"","block_context":{"text":"5G","link":"https:\/\/www.mtin.net\/blog\/category\/wireless\/5g\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2019\/01\/session-clipart-CLIPART_OF_18552_SM_2.jpg?fit=640%2C480&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2697,"url":"https:\/\/www.mtin.net\/blog\/the-addition-of-rf-elements-horns-to-a-ptp550-link\/","url_meta":{"origin":2588,"position":4},"title":"The addition of RF elements horns to a PTP550 link","author":"j2sw","date":"December 21, 2018","format":false,"excerpt":"In a previous series of articles we talked about a new Cambium 550 link and the noise challenges we had.\u00a0 You can start your reading in Part one and Part two. Due to the frequency challenges, we decided to upgrade the dishes to RF Elements Ultra Horns. If you recall\u2026","rel":"","context":"In "Wireless"","block_context":{"text":"Wireless","link":"https:\/\/www.mtin.net\/blog\/category\/wireless\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2018\/12\/Screen-Shot-2018-12-07-at-4.00.54-PM-e1545369292294.png?fit=1200%2C583&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2018\/12\/Screen-Shot-2018-12-07-at-4.00.54-PM-e1545369292294.png?fit=1200%2C583&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2018\/12\/Screen-Shot-2018-12-07-at-4.00.54-PM-e1545369292294.png?fit=1200%2C583&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.mtin.net\/blog\/wp-content\/uploads\/2018\/12\/Screen-Shot-2018-12-07-at-4.00.54-PM-e1545369292294.png?fit=1200%2C583&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":2067,"url":"https:\/\/www.mtin.net\/blog\/aligning-an-80ghz-link-at-a-mile-and-other-licensed-backhauls\/","url_meta":{"origin":2588,"position":5},"title":"Aligning an 80GHZ link at a mile and other licensed backhauls","author":"j2sw","date":"February 12, 2018","format":false,"excerpt":"Recently we had a teaching moment for a couple of folks who had not had much experience with aligning higher frequency\u00a0antennas with very tight beamwidths.\u00a0 This particular day we were aligning 2 foot Siklu 80GHZ antennas. 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