SmartLab smartLAB hrm 5 Heart Rate Monitor Chest Strap Non-Coded 5.3 kHz Heart Rate Monitor Suitable for Your Exercise Bike with Elastic Strap Made of Textile : Amazon.co.uk: Sports & Outdoors
Heart Rate Monitor - Ab hinc
PPT - Analog Transmission Strap (5 KHz) Lower-Cost, Commodity Technology Works with HRM-Enabled Equipment – Often Branded POLA PowerPoint Presentation - ID:1412476
KYTO 5.3KHZ 5KHZ Non-Coded Heart Rate Transmitter Chest Strap Belt Sensor for Hometrainer Crosstrainer Treadmill Rowing Machine