Does Gravity Curve Microwaves?

We had a 'friend' send us this press release the other day; a company called Exalt Wireless recently announced (2016) that their "ExploreAir LR 7 GHz microwave systems (has) been used to establish a reliable, high-speed link spanning what it believes is a record-breaking 235 kilometers over water." Interesting ... just more truth in plane view. Here's the link to PR https://globenewswire.com/news-release/2016/02/08/965626/0/en/Exalt-Sets-New-World-Record-for-Microwave-Link-Distance.html?fbclid=IwAR02XrT3f22HNRbO30nGFshbDitQ04N8Vfx5w88EyW1LAH4m0vCv4lFOLuQ