I'am looking for a metal detector that can deal with the following problems. 1st there is a water tower 500ft from were I'am trying to locate a large mens gold class ring. 2nd the tower has about 100 cell phone transmiters on it. 3rd this ring is close to a chain link fence. 4th there is possiably either water feed lines to the water tower running under the ground in this area. Is there a brand of metal detector that can deal with these problems any sugestions would be appreciated . thanks for any info.