Enjoy! #FF-This hashtag mostly shows up on Fridays, which should give you a good indication of what one of the Fs means. The other stands for Follow, and the two combine to make the phrase Follow Friday.. Follow Friday is essentially a Twitter holiday with the aim of getting people to follow one another.
Technical. Original manufacturers part,390 Mhz frequency, 9-volt battery operated, part number 976LM a 977LM keypad is substituted per the manufacturers change, Color: Grey Works with all Liftmaster, Sears and Chamberlain garage door openers, utilizing the 390 Mhz frequency.echnical. Original manufacturers part,390 Mhz frequency, 9-volt battery operated, part number 976LM a 977LM keypad is substituted per the manufacturers change, Color: Grey Works with all Liftmaster, Sears and Chamberlain garage door openers, utilizing the 390 Mhz frequency.
1 Registrant: City Of Foley, 251 4th Ave N, Foley, MN 56329-0709, Phone: (320) 968-4082, Fax: (320) 968-6325. 2  Lat: 45.661667 Lon: -93.926944, Call Sign: WQMP908. 3  Assigned Frequencies: 469.612 MHz, 467.062 MHz, 466.662 MHz. 4  Grant Date: 10/19/2010, Expiration Date: 10/19/2020, Certifier: Shawn Zappa.