WTP-100 Wireless Communications Link

WTP-100 Wireless Link - Pace Scientific

The Pace WTP-100 is a miniature Wireless Transceiver Pair that replaces the cable connection between the XR440 or XR5-SE Data Logger and computer.  The WTP-100 consists of two wireless modules.  One module plugs into a computer's USB port, and one module connects to a Pace XR440 or XR5-SE Data Logger.

  • Just plug and go!  No software installation required.
  • Electrically isolates computer from XR440 or XR5-SE Data Logger.
  • Host Module connects to computer and is powered from USB port.
  • Remote Module connects to Data Logger using the IC209 Cable and is powered from battery or AC mains (Battery cable and AC Power Supply included).

WTP-100 Wireless Link - Specifications

Indoor Range Up to 100 ft (30 meters)
Outdoor Range Up to 300 ft (100 meters)
Power requirement, computer side Powered from USB port
Power requirement, remote side 5 to 12 vdc (Battery cable and AC Adapter provided)
Power consumption, remote side 60ma communicating

40ma connected, idle

25ma waiting to link with other side

Communication rate 9600 bps
Operating frequency 2.4 GHz
Operating temperature range -40°C to 80°C (-40°F to 176°F)
Overall size, computer side 2.0" x 0.73" x 0.43" (51 x 19 x 11 mm)
Overall size, remote side 2.9" x 1.2" x 0.7" (72 x 31 x 16 mm)


Part No. Description Price
WTP‑100 Wireless Link.

AC Adapter for Remote Module has US plug.


WTP‑100-exp Wireless Link.

AC Adapter for Remote Module has interchangeable plugs for North America, UK, Europe and Australia.


Included: Host Module, Remote Module, Battery cable with 9v battery snap and AC mains Power Adapter.

WTP-100 Instructions Ver 3.1 PDF: 125 kB / posted Aug 28, 2020

For units shipped prior to July 2020: WTP-100 Instructions Ver 2 PDF: 98 kB / Version 2.2, posted May 27, 2020

Weatherproof Case configured for battery-powered Wireless Communications

The Pace EC24 Weatherproof Case with the -BP option can house a Pace data logger and includes a built-in AA size battery holder for powering the Wireless Link. See page 4 of WTP-100 Instructions for estimated battery life.

Battery Holders for larger cell sizes (C and D size) are also available, contact Pace for details.

Cases for XR5-SE

Cases for XR440

XR5-SE Data Logger

XR440 Data Logger

Ordering Details