Haglöf DP GPS/DME Module for DPII Caliper | 13-600-1082  The Haglöf DP GPS/DME Module for DPII Caliper helps to navigate and register coordinates. It also helps to measure distances with ultrasound technique. The Haglöf DP...

Haglöf DME 201 Measuring Unit Only | 15-100-1003  The Haglöf DME 201 Measuring Unit uses ultrasonic pulses to determine distance, allowing you to walk 360° around the transponder and receive accurate measurements...