skip to content
Are you looking for support from US? GET SUPPORT
Your session has expired.

Your authenticated session has expired due to inactivity. You can close this message and continue as a guest or sign in again before proceeding.

TW251 Man-down App

Man-down app for MOTOTRBO option board

Provides workers in hazardous environments with a means to call for help in the event of an emergency and for automatic alarm generation in the event of a potential man-down occurrence.

Learn More


An important addition to worker safety programs, the Tallysman TW251 is a software app for MOTOTRBO™ portable radios that provides an effective man-down monitoring system. Emergencies can be reported directly to other portable radios or sent to the TruFleet AVL application, which displays emergency status, sound and audible alert and can automatically e-mail emergency status.

Additional Resources

Supported Languages

•  Improved Worker Safety.

•  Configurable Tilt and no movement parameters.

•  Advanced Algorithm to minimize false alarm (e.g. when running).

•  Radio to Radio Emergency Reports or Radio to Hosted Application.

• DIGITAL & ANALOG MODE (Sends a standard MOTOTRBO™ emergency alarm).

• MAN-DOWN ALERT (By algorithmic evaluation of radio orientation and movement).

• PRE-WARNING ALER (Allows the worker to minimize false alarms).

• HEARTBEAT MESSAGING (Positive confirmation of communications link).

• GPS REPORT WITH PTT ID (Positive confirmation of location).

• INSTALLS ON MOTOTRBO™ EXPANSION BOARD (Enhance employee safety in the field).


Radio Hardware/Releases Compatibility

  • XPR  5000, 7000 series radios.

Computer Hardware/Operating Systems

Only required when emergency sent to TruFleet AVL Host application: Windows 7, 8 or 10 (32 or 64 bit), Dual Core Processor, 4 GB of RAM,  50 GB of disk space (mostly for the database and daily log files.

IP Technology

  • Compatible with IP Site Connect, Capacity Plus, Linked Capacity Plus 2.3 or above.