I use the BCA link radios. Little spendy for what they are, but if you can convince your riding buddies to buy also, they are pretty slick. The nice thing about them is you don't need to take your gloves and helmet off to use. Don't have to dig it out of your pack or pocket, etc. Also you can hear the mic chirp or chatter over a running sled. Rechargable and the batteries last at least a day or two of all day on time before needing a charge. Also, they won't interfere with an avalanche tranceiver if you ride out west at all...