Twig Protector Pro

Twig Protector Pro is an emergency GPS tracker that includes an alarm button, automatic man-down function, Amber Alert, and optional TWIG Button wireless alarm. The predefined emergency protocol transmits the last known user position and opens a two-way voice connection to alarms receiving center (ARC). High-performance GPS receiver with turn-key AGPS feed is complemented with TWIG Beacon indoor location. Excellent operating times even in continuous GPS monitoring are achieved through advanced technology and large-capacity battery.

Protocol: twig Manufacturer: Twig Forum discussion
Custom MPTP command
Send custom MPTP command from Central Station to Mobile Telematics Terminal
payload: Payload text
Request last known position. Response will be stored as message
Request position: Attempt to acquire a fresh position fix. Response will be stored as message