The world's largest phone company plans to construct a 14m high telegraph pole with antenna in Beehive Hill on the grass verge opposite the junction with Woodcote Avenue.
Protesters fought off a previous application on the corner of Beehive Hill and Birmingham Road in May. But they say another application has been submitted for a mast just 65m away from the original site and 30m from the nearest house.
Dale Potts, Zoe Keep, Owen Hillis, and Paul and Kathy Mooney, who live in Beehive Hill and Woodcote Avenue, claim it would be an eyesore and have launched a campaign urging people to write to Warwick District Council ob-jecting to the plans.
They have also taken a petition to Priors Field School, which they say is 400m from the proposed site.
Mr Potts, 35, said: "This mast will have virtually no screening or visual cover to protect the views of residents. This proposed mast will be some 75 per cent higher than existing street lighting and houses in the surrounding area, so will be clearly visible for some distance. It will have a totally overbearing effect on the local community.
"This location is still an 'A' road into Kenilworth with hundreds, if not thousands, of cars using this route daily. Is this really what we want people to see as they enter or leave Kenilworth? We urge residents to let the local planning office have their objections to what would be a complete eyesore on a beautiful part of town."
A spokesman for Vodafone explained that other potential locations had been investigated but this was a preferred site. She added: "Nothing is set in stone. We will take people's views on board."
Representations should be sent to Debbie Prince, senior planning officer, PO Box 2178 Riverside House, Milverton Hill, Leamington Spa CV32 5QH or emailed to: planning_west@warwickdc.gov.uk by November 25.