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The Wireless Trigger Box (WTB) system is designed to operate with any seismic recording system and mechanical impact source. There are two parts to the WTB system: One WTB senses the trigger pulse and transmits it while the second WTB receives the trigger signal and starts the seismograph.

Each WTB consists of a VHF radio with selectable frequencies, a Radio Trigger Module (RTM) for synchronizing trigger units, all in a sturdy aluminum enclosure


The standard WTB unit is designed to operate with any DAQlink unit and a compatible hammer switch. One WTB-equipped source can trigger multiple DAQlink units via multiple remote WTB units.

A standard WTB System includes:

  • Wireless Trigger Box (for the Source Equipment)
  • WTB Hammer Switch Cable
  • Wireless Trigger Box (for the Seismograph)
  • WTB Seismograph Trigger Cable
  • WTB-PC Communications Cable
  • WTB/RTM Configuration Software
  • Two Microphone/Speaker Units
  • Two 12 volt power cables and batteries
  • Weight: 5 pounds (2.3 kilograms) – Not including batteries
  • Size: 8.0 x 8.0 x 4.0 inches (20.3 x 20.3 x 10.2 cm) – Not including antenna and connectors