Site Master S331P Ultraportable Cable and Antenna Analyzer

Pocket-sized, USB-powered headless cable and antenna analyzer covering 150 kHz to 4 GHz or 6 GHz, including LTE-U frequencies.

Measurement types: VSWR, Return Loss, Cable Loss (One Port), Distance-to-Fault (DTF) Return Loss, Distance-to-Fault (DTF) VSWR
Advanced Mode measurement types: Smith Chart 50/75 Ω, 1-Port Phase, Transmission with External Sensor
Measurement display: Single Display with independent markers (Classic Mode); Single/Dual Display with independent markers (Advanced Mode)
Data points: 130, 259, 517, 1033, 2065

Datasheet

Overview

The Anritsu Site Master S331P is an ultraportable, headless member of the Site Master family of cable and antenna analyzers. It is intended for wireless operators and contractors, DAS installers, and public safety network installation and maintenance teams.

The instrument has no battery or display. It is powered and controlled through the USB port of a Windows tablet, laptop or desktop PC. The technical data sheet also lists the Field Master Pro MS2090A with Option 331 and the MS2080A as controllers. Two frequency options are available, 150 kHz to 4 GHz and 150 kHz to 6 GHz. This range covers low-frequency radio communications and higher-frequency applications such as LTE-U in the 5 GHz unlicensed spectrum.

Operating modes

The PC application offers two modes. Classic Mode follows the layout of earlier Site Master D models. Advanced Mode adds 8 markers instead of 6, customizable shortcuts, a full-screen view, dual display, segmented upper and lower limit lines, marker peak/valley tracking, Smith Chart (50/75 Ω), 1-port phase and transmission measurements with an external USB sensor.

Calibration and data handling

A factory default 1-Port ReadyCal is applied to all measurements except Transmission. User OSL calibration and FlexCal are also supported. Sweeps, setups and screenshots are stored on the controlling PC in standard *.dat and *.csv formats. These files can be post-processed with Line Sweep Tools (LST) and are compatible with HHST. The instrument also works with easyTest Tools and the Multiwave Smart Aligner Android application for site closeout reports.

Key Features

Smallest, lightest, and fastest Site Master
Direct connection to DUTs eliminating the need for phase stable cables
Powered through USB interface, no battery required
Rugged and reliable; impact, dust and splash resistant
Factory default 1-Port ReadyCal automatically applied to all measurements except Transmission
FlexCal calibration – one calibration for all frequencies
Same user interface as the S331L
Integrated Help function
S331D-like Classic Mode
S331E-like Advanced Mode with additional markers, customizable shortcuts and full-screen view
EZ Name Quick Matrix for fast file naming
Controlled and powered by a Windows tablet or PC using standard USB 2.0, or the Field Master Pro MS2090A
Internal file storage limited only by space on PC or tablet
Fast preview of stored sweeps
Line Sweep Tools (LST) software to edit, rename and archive sweeps and generate PDF or HTML reports
Standard *.dat and *.csv file formats
Compatible with HHST
Compatible with easyTest Tools
Supported by Multiwave Smart Aligner Android application

Specifications

Measurements

Measurement types	VSWR, Return Loss, Cable Loss (One Port), Distance-to-Fault (DTF) Return Loss, Distance-to-Fault (DTF) VSWR
Advanced Mode measurement types	Smith Chart 50/75 Ω, 1-Port Phase, Transmission with External Sensor Advanced Mode only
Measurement display	Single Display with independent markers (Classic Mode); Single/Dual Display with independent markers (Advanced Mode)
Data points	130, 259, 517, 1033, 2065
Markers (Classic Mode)	Markers 1 to 6 (On/Off), Delta Markers 2 to 4 (Ref M1), Marker to Peak/Valley, Marker Table
Markers (Advanced Mode)	Markers 1 to 8 (On/Off), Delta Markers 2 to 8 (Ref M1), Marker Tracking (On/Off), Marker to Peak/Valley, Marker Table
Windowing	Rectangular, Normal Side Lobe, Low Side Lobe, Minimum Side Lobe
Limit line (Advanced Mode)	Edit Segments (42 upper and 42 lower segments maximum)
Calibration methods	OSL (Classic Mode); OSL, Transmission, OSL + Transmission (Advanced Mode) Cal Types: Standard, FlexCal; User Cal overrides factory default 1-Port ReadyCal

Frequency

Frequency range S331P-0704	150 kHz to 4 GHz
Frequency range S331P-0706	150 kHz to 6 GHz
Frequency accuracy	± 2.5 ppm @ 23 °C ± 3 °C
Frequency resolution	1 kHz

Power

Output power	–5 dBm typical
Interference immunity	+17 dBm On Channel and On Frequency, typical
Measurement speed	500 µs/data point timing dependent on external computer configuration

Measurement Ranges

Return loss measurement range	0 to 60 dB
Return loss resolution	0.01 dB
VSWR measurement range	1 to 65
VSWR resolution	0.01
Cable loss measurement range	0 to 30 dB
Cable loss resolution	0.01 dB
DTF vertical range, return loss	0 to 60 dB
DTF vertical range, VSWR	1 to 65
DTF fault resolution (meters)	(1.5 x 10^8 x vp)/ΔF vp = propagation velocity, ΔF is F2 – F1 in Hz
DTF horizontal range (meters)	0 to (Data Points – 1) x Fault Resolution, to maximum of 1500 meters (4921 ft)
1-Port phase display range	–450 ° to +450 ° Advanced Mode only; resolution 0.01 °
Smith chart impedance	50 Ω, 75Ω Advanced Mode only; resolution 0.01
Transmission (external sensor) display range	–100 dB to +100 dB Advanced Mode only; resolution 0.01 dB
Corrected directivity	≥ 42 dB OSL calibration (OSLN50A-8, OSLNF50A-8), at 23 °C ± 3 °C

General

Languages	English, French, German, Italian, Spanish, Russian, Portuguese, Japanese, Korean, Chinese
Save file types	Measurement (.dat, .csv), Setup (.stp), Screen Shot (.png), System and Self Test Info (*.txt)
Internal trace/setup memory	> 1000 files for traces, setups, screen shots, or any combination limited by PC/Tablet storage
Connectivity	USB

Connectors

RF port type	N(m), 50Ω
RF port maximum input	+23 dBm maximum, ±50 VDC maximum
USB port	USB 2.0 port for connecting to an external PC controller

Regulatory Compliance

European Union EMC	2014/30/EU, EN 61326:2013, CISPR 11/EN 55011, IEC/EN 61000-4-2/3/4/5/6/8/11
Low Voltage Directive	2014/35/EU
Safety	EN 61010-1:2010
RoHS	Directive 2011/65/EU applies to instruments with CE marking placed on the market after July 22, 2017
Australia and New Zealand	RCM AS/NZS 4417:2012
South Korea	KCC-REM-A21-0004

Environmental

Environmental standard	MIL-PRF-28800F Class 2
Operating temperature range	–10 ºC to 55 ºC
Storage temperature range	–51 ºC to 71 ºC
Maximum relative humidity	95 % RH at 30 ºC non-condensing
Vibration, sinusoidal	5 Hz to 55 Hz
Vibration, random	10 Hz to 500 Hz
Half sine shock	30 g
Altitude	4600 meters operating and non-operating

Size and Weight

Size	52 mm x 148 mm x 36 mm (2 in x 5.8 in x 1.4 in)
Weight	< 0.4 kg (< 0.9 lb) typical

Recommended External PC/Controller

USB port	One USB 2.0 (or higher) port
Operating systems	Windows 7, 8, 8.1, 10, 11; 32 or 64 bit Tested with tablets running Windows 10 or 11 and Intel Atom X5-Z8300 processor
Alternative controllers	MS2090A with Option 331, and MS2080A

Specifications are taken from the manufacturer's documentation. See the datasheet for complete and current values.

Applications

Wireless operator cable and antenna maintenance
Base station installation and commissioning
DAS installation
Public safety network installation and maintenance
Low frequency radio communications
LTE-U in the 5 GHz unlicensed spectrum
Line sweep closeout reporting
C-RAN

Included

Soft Carrying Case (2000-1864-R)
Torque Multiplier N(m) (2000-1687-R)
USB-A to Micro-USB cable, 1.83 m (6 ft) (2000-2010-R)
Standard Three-Year Warranty
Certificate of Calibration and Conformance

Options & Accessories

Option	Description
S331P-0704	Frequency option, 150 kHz to 4 GHz — One frequency option required
S331P-0706	Frequency option, 150 kHz to 6 GHz — One frequency option required
S331P-ES510	Warranty Extension to 5 Years
S331P-ES513	Warranty Extension to 5 Years with Z540 Calibration
S331P-0098	Standard Calibration to ISO17025 and ANSI/NCSL Z540-1 — Includes calibration certificate.
S331P-0099	Premium Calibration to ISO17025 and ANSI/NCSL Z540-1 — Includes calibration certificate, test report, and uncertainty data.
MA24330A	Microwave CW USB Power Sensor, 10 MHz to 33 GHz, +20 dBm
MA24340A	Microwave CW USB Power Sensor, 10 MHz to 40 GHz, +20 dBm
MA24350A	Microwave CW USB Power Sensor, 10 MHz to 50 GHz, +20 dBm
MA24108A	Microwave USB Power Sensor, 10 MHz to 8 GHz, +20 dBm to –40 dBm
MA24118A	Microwave USB Power Sensor, 10 MHz to 18 GHz, +20 dBm to –40 dBm
MA24126A	Microwave USB Power Sensor, 10 MHz to 26 GHz, +20 dBm to –40 dBm
MA24208A	Microwave Universal USB Power Sensor, 10 MHz to 8 GHz, +20 dBm to –60 dBm
MA24218A	Microwave Universal USB Power Sensor, 10 MHz to 18 GHz, +20 dBm to –60 dBm
MA24105A	Inline Dual Directional High Power Sensor, 350 MHz to 4 GHz, +3 dBm to +51.76 dBm
MA24106A	High Accuracy RF Power Sensor, 50 MHz to 6 GHz, +23 dBm to –40 dBm
MA25100A	RF Power Indicator
SC8268	USB Transmission Sensor, K(m), 1 MHz to 40 GHz, +10 dBm to –50 dBm
67135	Anritsu Backpack (for instrument and PC)
760-283	Transit Case, USB 1 Port VNA
OSLN50A-8	High Performance Type N(m), DC to 8 GHz, 50Ω — Calibration component
OSLNF50A-8	High Performance Type N(f), DC to 8 GHz, 50Ω — Calibration component
2000-1618-R	Precision Open/Short/Load, 7/16 DIN(m), DC to 6.0 GHz, 50 Ω
2000-1619-R	Precision Open/Short/Load, 7/16 DIN(f), DC to 6.0 GHz, 50 Ω
2000-1914-R	Precision Open/Short/Load, 4.3-10(f), DC to 6 GHz, 50 Ω
2000-1915-R	Precision Open/Short/Load, 4.3-10(m), DC to 6 GHz, 50 Ω
22N50	Open/Short, N(m), DC to 18 GHz, 50 Ω
22NF50	Open/Short, N(f), DC to 18 GHz, 50 Ω
SM/PL-1	Precision Load, N(m), 42 dB, 6.0 GHz
SM/PLNF-1	Precision Load, N(f), 42 dB, 6.0 GHz
22N75	Open/Short, N(m), DC to 3 GHz, 75 Ω
22NF75	Open/Short, N(f), DC to 3 GHz, 75 Ω
510-90-R	Adapter, 7/16 DIN(f) to N(m), DC to 7.5 GHz, 50Ω
510-91-R	Adapter, 7/16 DIN(f) to N(f), DC to 7.5 GHz, 50Ω
510-92-R	Adapter, 7/16 DIN(m) to N(m), DC to 7.5 GHz, 50Ω
510-93-R	Adapter, 7/16 DIN(m) to N(f), DC to 7.5 GHz, 50Ω
510-96-R	Adapter, 7/16 DIN(m) to 7/16 DIN(m), DC to 7.5 GHz, 50 Ω
510-97-R	Adapter, 7/16 DIN(f) to 7/16 DIN(f), DC to 7.5 GHz, 50 Ω
1091-80-R	Adapter, SMA(m) to N(f), DC to 18 GHz, 50 Ω
1091-81-R	Adapter, SMA(f) to N(f), DC to 18 GHz, 50 Ω
1091-433-R	Low PIM Adapter, 4.1-9.5(f) to 7/16 DIN(f), DC to 3.0 GHz, 50 Ω
1091-434-R	Low PIM Adapter, 4.1-9.5(m) to 7/16 DIN(f), DC to 3.0 GHz, 50Ω
1091-440-R	Low PIM Adapter, 4.3-10(f) to 7/16 DIN(f), DC to 6.0 GHz, 50Ω
1091-441-R	Low PIM Adapter, 4.3-10(m) to 7/16 DIN(f), DC to 6.0 GHz, 50 Ω
1091-442-R	Low PIM Adapter, 4.3-10(f) to N(m), DC to 6.0 GHz, 50Ω
1091-443-R	Low PIM Adapter, 4.3-10(m) to N(m), DC to 6.0 GHz, 50 Ω
1091-465-R	Adapter, DC to 6 GHz, 4.3-10(f) to N(f), 50 Ω
1091-467-R	Adapter, DC to 6 GHz, 4.3-10(m) to N(f), 50 Ω
34NN50A	Precision Adapter, N(m) to N(m), DC to 18 GHz, 50 Ω
34NFNF50	Precision Adapter, N(f) to N(f), DC to 18 GHz, 50 Ω
3-1010-122	Attenuator, 20 dB, 5 W, DC to 12.4 GHz, N(m) to N(f)
42N50-20	Attenuator, 20 dB, 5 W, DC to 18 GHz, N(m) to N(f)
42N50A-30	Attenuator, 30 dB, 50 W, DC to 18 GHz, N(m) to N(f)
3-1010-123	Attenuator, 30 dB, 50 W, DC to 8.5 GHz, N(m) to N(f)
1010-127-R	Attenuator, 30 dB, 150 W, DC to 3 GHz, N(m) to N(f)
1010-128-R	Attenuator, 40 dB, 150 W, DC to 3 GHz, N(m) to N(f)
3-1010-124	Attenuator, 40 dB, 100 W, DC to 8.5 GHz, N(f) to N(m), Uni-directional
2000-1900-R	Single Port 2.0 USB 100 meter Cat 5e Range Extender — With Type A power cord for USA, Japan, North America, Central America and Caribbean
2000-1901-R	Single Port USB 2.0 100 meter Cat 5e Extender — With Type C power cord for use in Europe, India, South Korea, and many countries in Middle East and Africa
2000-1902-R	Single Port USB 2.0 100 meter Cat 5e Extender — With Type I power cord for use in Australia, New Zealand, Argentina, and the South Pacific
2000-1903-R	Single Port USB 2.0 100 meter Cat 5e Extender — With Type G power cord for use in the UK, and several other countries in Asia, the Middle East, and Africa
2000-1717-R	USB 1.1 Passive 40 m Extender — Not compatible with sensors MA24208A, MA24218A, MA24330A, MA24340A, MA24350A; must use active extenders with these sensors
2100-28-R	Cat 5e extension cable for use with USB Extender (22.5 m)