LORD MicroStrain’s WSDA® -Base -101 -LXRS® is a USB operated gateway with eight analog outputs that relay data collected from any sensors within its local network.

Product Highlights

  • Data acquisition gateway collects synchronized data from scalable networks of wireless sensors
  • Quick deployment with USB host computer interface
  • Supports up to eight channels of analog outputs to data acquisition equipment (DAQ) from multiple nodes
  • Can be used as a stand-alone device or simultaneously with a host computer
  • Compatible with all LORD MicroStrain® sensor nodes
Datasheet Manual Software
Where to Buy?
U.S. International OEM

List Price:

Wireless Simplicity, Hardwired Reliability

High Performance

  • Node-to-node synchronization up to ±32 microseconds
  • Scalable, long range wireless sensor networks up to 2 km
  • Lossless data throughput under most operating conditions

Ease of Use

  • Supports eight-channel connection with analog DAQ’s
  • Stand alone operation using front panel buttons
  • Remotely configure nodes, acquire and view sensor data with SensorConnect
  • Data visualization through web-based SensorCloud™ portal provides quick data navigation and analysis
  • Easy integration via comprehensive SDK

Cost Effective

  • Thousands of sensors managed from a single gateway
  • Out-of-the box wireless sensing solution reduces development and deployment time.
  • Volume discounts




USB 2.0 virtual serial communication @ 921,600 bps

Analog Outputs

Analog output

Eight channels, 0 to 3 V dc, 1 analog update indicator channel and 1 input/output pulse per second channel, supports streaming and low duty cycle data collection

Analog stand alone operation

Front panel buttons provide access to most software functions including trigger, sleep, beacon and more

Analog low pass filter

-3 dB cutoff @ 375 Hz

Zero scale error + 5 mV (typical), + 20 mV (maximum)
Full scale error - 4.5 mV (typical), - 30 mV (maximum)
Zero to full scale error ± 3 mV (maximum)


Supported node sampling modes

Synchronized, low duty cycle, continuous, periodic burst, event-triggered, and datalogging (analog output support in low duty cycle mode only)

Synchronization beacon interval

1 Hz beacon provides ± 32 μsec node-to-node synchronization

Synchronization beacon stability

± 3 ppm

Network capacity

Up to 2000 nodes per RF channel (and per gateway) depending on the number of active channels and sampling settings. Refer to the system bandwidth calculator: http://www.microstrain.com/configure-your-system

Operating Parameters

Radio frequency (RF)

transceiver carrier

2.405 to 2.470 GHz direct sequence spread spectrum over 14 channels, license-free worldwide, radiated power programmable from 0 dBm (1 mW) to 16 dBm (39 mW); (low power option available for use outside the U.S.A.- limited to 10 dBm (10 mW)

RF communication protocol

IEEE 802.15.4

Range for bi-directional RF link

70 m to 2 km line of sight with RF power setting

Power source

Screw terminal connector: 3.6 to 13.0 V dc, USB port: 5 V dc standard

Power consumption

Idle: 45.7 mA; Eight active node channels operating at 256 Hz low duty cycle: 65.6 mA

Operating temperature

-40 °C to + 85 °C (electronics)

-30 °C to +70 °C (enclosure/antenna)

Physical Specifications


128 mm x 70 mm x 20 mm without antenna


140 grams

Enclosure material

Black anodized aluminum



Micro-USB, screw terminal block

Communications cable

USB standard to USB micro-B (3 foot cable included in starter kit)

Front panel interface

Buttons for controlling node operation and sampling

Compatible sensor nodes

All LXRS® sensor nodes, all legacy 2.4 GHz nodes


Firmware upgradeable through software interface


SensorCloud™, SensorConnect™, Node Commander®, Windows 7 (or newer)

Software development

Open-source MicroStrain Communications Library (MSCL) with sample code available in C++,Python,and.NET formats (OS and computing platform independent): http://lord-microstrain.github.io/MSCL/

Regulatory compliance

FCC (U.S.), IC (Canada), ROHS


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