- W.I.N.D.
Polar Wearlink Coded Heart Rate Transmitter and Strap - W.I.N.D. Comfortable textile transmitter with 2.4GHz transmission, which is disturbance-free from all other electronic devices. Compatible with adiStar Fusion Apparel, just clip it to you adiStar shirt and go. Compatible with RS800, RS800CX, CS600 and RS800sd.