456 Has anyone used this piece of kit: http://www.audisoft.net/en/Products/Frontline%20communicator%20EX.html I would like to know how sturdy and reliable this kit actually is, and if it likely/unlikely to cope with a hike above 20,000ft. Thanks! O. 15 2009-10-07T20:33:01Z 0 2009-10-07T20:33:01Z true 30178 false 11886 2009-10-14T11:40:11Z Paris true 2010-04-07T00:00:00Z false frontline-communicator-experience-gear 1 2009-10-14T11:40:11Z 11886