Anritsu S412E LMR Master handheld analyser

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The second-generation S412E LMR Master handheld analyser, the S412E, is a lightweight, battery-operated instrument, that combines complete P25/NXDN radio test set functionality with a cable and antenna analyser, 2-port network analyser, spectrum analyser, interference analyser and power meter, plus LTE transmitter measurement capability.

The first solution that can test emerging 700 MHz narrow band and broadband digital public safety systems, the instrument reduces the number of tools field technicians and engineers need.

Covering the 500 kHz to 1.6 GHz frequency range, the analyser can conduct radio transmitter and receiver measurements with antenna, cable, transmission and interference analysis. It includes a CW/P25/NXDN signal generator with internally adjustable power from 0 to -120 dBm.

It also includes a suitable, fully functional spectrum analyser. DANL of -152 dBm makes the instrument suitable for locating low-level signals that can interfere with LMR systems. Low -100 dBc/Hz phase noise allows measurement of P25/NXDN and NXDN emission masks. An option allows spectrum analyser coverage to be extended to 6 GHz.

The 2 MHz to 1.6 GHz cable and antenna analyser (extendable to 6 GHz) can conduct FDR-based return loss and VSWR measurements to accurately characterise antenna systems. Distance-to-fault measurements easily determine poor connections, contamination, damaged cables and water penetration.

Dynamic range of >100 dB allows users to view and adjust the RF performance of devices, while the dynamic range and fast 850 µs/point sweep speed allow for accurate filter transmission measurements.

P25/NXDN Tx measurements that can be made are received power, frequency error, modulation fidelity, symbol deviation, NAC and BER for 1011 Hz and 0.153 test patterns. BER estimation from voice traffic and BER/MER measurements from control channel traffic can also be performed.

The instrument can accurately measure BER down to -115 dBm signal levels to help ensure successful signal transmission - even with local interference or multipath. Constellation, histogram and P25/NXDN control channel hex decodes can be displayed.

A coverage mapping feature allows up to 8 h of BER and RSSI testing to be associated with a GPS location. Coverage mapping also supports received power and BER for 1011 Hz and 0.153 test patterns, BER estimation from voice traffic and BER/MER measurement from control channel traffic, along with GPS location and time.