220 2.4 kc filter 8 pole 215P desk mic 222 mobile mount 214 electret mic/234 speech processor combo Tnx..Curt/k3ivb -- FAQ on WWW: http://www.contesting.com/FAQ/tentec Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com