Can anyone ident this unknown Racal handheld please, see pictures: http://xa.yimg.com/kq/groups/12372510/sn/401112722/name/0005.jpg http://xa.yimg.com/kq/groups/12372510/sn/765354305/name/0001.jpg even better still, supply a circuit diagram for it. cheers, Ben G4BXD