Description
The S412E includes a GPS receiver to support outside
building coverage mapping. Anritsu application note
“S412E P25 Coverage Mapping” is available under document
number 11410-00835A. The S412E has extensive coverage
mapping measurement capability, including on screen
map displays with measurement overlay. In addition to
GPS outdoor mapping it includes indoor mapping using a
user interface where the operator touches the map
display to associate measurements to an in-building
location.
The S412E has measurement modes specific for most public safety modulation technologies including
NBFM, P25 phase 1, and P25 phase 2 that provide in depth analysis of a radio channel. Measurements are
made in 12.5 kHz bandwidth using Telecommunications Industry Association (TIA) standard test signal
patterns. Measurements include RF power (dBm). With an antenna attached, RF power measurement
becomes Received Signal Strength Indication (RSSI). In addition to RSSI, for NBFM systems the S412E
measures Signal to Noise and Distortion (SINAD) per the TIA 603 standard. For P25 systems the S412E
provides Modulation Fidelity and Bit Error Rate (BER) per the TIA 102 standard. The TIA 102 standard
recommends BER as the test of a P25 receiver function.
Anritsu has recently partnered with TRX Systems to introduce the Anritsu MA8100A Series TRX NEON Signal
Mapper, a 3D in-building coverage mapping solution to provide coverage maps based on RF measurements
from the S412E. The TRX NEON® Signal Mapper application provides an Android user interface so in-building
measurements can be made at specific grid locations by simply watching the display of an Android smart
phone or tablet and walking as needed within the grids. The in-building location is provided by the NEON
Tracking Unit worn on the operator’s belt which is equipped with a gyroscope, accelerometer, barometer
pressure sensor, compass, and ranging sensors. The tracking unit communicates with the Android smart
phone via a Bluetooth link. The S412E measurements are sent to the smart phone via a USB interface. The
NEON Signal Mapper application provides three-dimensional results to help view measurements in
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