MS2085A
Site Master MS2085A Handheld Cable and Antenna Analyzer with Vector Network Analyzer Option
Handheld cable and antenna analyzer covering 5 kHz to 4 GHz or 6 GHz, with an optional 2-port, 1-path vector network analyzer.
- Frequency range
- 5 kHz to 4 GHz
- Frequency range
- 5 kHz to 6 GHz
- Frequency accuracy
- ≤ ± 2.5 ppm (-10°C to 55°C) plus aging, typical
- Frequency resolution
- 1 Hz
Overview
The Anritsu Site Master MS2085A is a handheld cable and antenna analyzer for installing, maintaining and troubleshooting RF communication systems. It covers 5 kHz to 4 GHz or 6 GHz depending on the frequency option. It weighs less than 7 lb and has a 10-inch touch screen rated IK08.
The analyzer measures return loss, cable loss, VSWR, distance-to-fault, 1-port phase and Smith chart. A time domain reflectometry option is also available. It can generate PDF/HTML reports on the instrument, and cable lists can be added, edited, imported and exported directly on the unit. In fast sweep mode it runs at 350 µs per data point, with up to 10,049 data points.
Vector Network Analyzer Option
An optional 2-port, 1-path vector network analyzer covers 5 kHz to 4 GHz or 6 GHz. It runs at 380 µs/point and has more than 100 dB of transmission dynamic range at 3 GHz. It offers 16 display formats, including Log Mag, VSWR, Phase, Smith Chart, Group Delay and Polar. The factory ReadyCal calibration is the default, and mechanical and InstaCal user calibrations are also supported. A Vector Voltmeter option (Option 15) adds cable phase-matching capability.
Applications
The MS2085A is used for cable and antenna testing at broadcast transmitter sites, cellular base stations and rooftop sites, and distributed antenna systems (DAS). It is also used on RF cable feeds in military airframes and in ship communications systems. Its report generation produces the close-out documentation contractors need during installation.
Key Features
- Cable and Antenna Analyzer: 5 kHz to 4 GHz or 6 GHz
- Return Loss, Cable Loss, VSWR, Distance-To-Fault, Time Domain Reflectometry, Smith Chart, 1-Port Phase
- 105 dB of dynamic range from 50 kHz to 3 GHz typical
- 350 µs/data point in fast sweep mode
- 10,049 data points
- Built-in PDF/HTML report generation
- Ability to add/edit/import and export a cable list from the instrument
- Factory default 1-Port ReadyCal, OSL, InstaCal and FlexCal calibration modes
- Battery life up to 9 hours (CAA)
- Optional 2-port, 1-path Vector Network Analyzer: 5 kHz to 4 GHz or 6 GHz
- VNA: 380 µs/point sweep speed
- VNA: >100 dB at 3 GHz transmission dynamic range
- VNA: arbitrary data points up to 16001
- VNA: 16 display formats including Log Mag, VSWR, Phase, Group Delay, Smith Chart, Polar
- Vector Voltmeter (Option 15) for cable phase matching
- Weighs less than 7 lb
- IK08 rated 10-inch touch screen
- Explosive Atmosphere MIL-PRF-28800F Section 4.5.6.3 compliant
- Complies with IP52 when installed in soft carrying case
- Anritsu Remote and Report Tools (ARRT) compatibility
Specifications
Cable and Antenna Analyzer – Frequency
|
Frequency range
MS2085A-0804
|
5 kHz to 4 GHz
Option 804
|
|---|---|
|
Frequency range
MS2085A-0806
|
5 kHz to 6 GHz
Option 806
|
| Frequency accuracy |
≤ ± 2.5 ppm (-10°C to 55°C) plus aging, typical
MS2085A
|
| Frequency resolution | 1 Hz |
Cable and Antenna Analyzer – Output Power and Immunity
| Output power, high |
0 dBm
typical
|
|---|---|
| Output power, low |
–40 dBm
typical
|
| Interference immunity, on-channel | +17 dBm @ > 1.0 MHz from carrier frequency |
| Interference immunity, on-frequency | 0 dBm within ±10 kHz of the carrier frequency |
Cable and Antenna Analyzer – Measurement Accuracy and Speed
| Corrected directivity |
> 44 dB
typical, OSL Calibration
|
|---|---|
| Corrected directivity |
> 40 dB
typical, InstaCal Calibration
|
| Sweep speed, Return Loss |
< 350 µs/data point
RF immunity low, typical; low dynamic range and fast sweep rate. 700 µs/data point normal sweep rate, typical
|
| Sweep speed, Distance-to-Fault |
< 350 µs/data point
RF immunity low, typical
|
| Data points |
Flex Cal: 2 to 10,049, user defined
Standard Cal snaps to nearest calibration point
|
Cable and Antenna Analyzer – Measurement Ranges
| Return loss measurement range | 0 dB to 60 dB |
|---|---|
| Return loss resolution | 0.01 dB |
| VSWR measurement range | 1:1 to 65:1 |
| VSWR resolution | 0.01 |
| Cable loss measurement range | 0 dB to 30 dB |
| Cable loss resolution | 0.01 dB |
| DTF vertical range, return loss | 0 dB to 60 dB |
| DTF vertical range, VSWR | 1:1 to 65:1 |
| DTF fault resolution (meters) |
(1.5 x 10^8 x vp) / ΔF
vp = velocity propagation constant, ΔF is F2–F1 in Hz
|
| DTF horizontal range (meters) | 0 to (Data Points–1) x Fault Resolution, to a maximum of 5000 meters (16404 ft) |
| 1-port phase measurement range | –450º to +450º |
| 1-port phase resolution | 0.01º |
| Smith chart marker resolution | 0.01 Ω, 50/75 Ω selectable |
Time Domain Reflectometry (Option 3)
|
Display layout
MS2085A-0003
|
Single screen or split screen display including TDR/DTF, TDR/Return Loss |
|---|---|
|
Distance
MS2085A-0003
|
5000 Meters |
|
TDR Ohm measurement range
MS2085A-0003
|
0 Ω to 5000 Ω
Resolution 0.01 Ω
|
|
TDR Linear measurement range
MS2085A-0003
|
0 U to 500 U
Resolution 0.01 U
|
2-Port Transmission Measurement (Option 21)
|
Frequency range
MS2085A-0021
|
5 kHz to 4 GHz (Option 804), 5 kHz to 6 GHz (Option 806) |
|---|---|
|
Output power, high
MS2085A-0021
|
> 0 dBm
typical
|
|
Output power, low
MS2085A-0021
|
–40 dBm
typical
|
|
Dynamic range, 50 kHz to 3 GHz
MS2085A-0021
|
90 dB, 105 dB typical
Dynamic range set to high
|
|
Dynamic range, 3 GHz to 4 GHz
MS2085A-0021
|
80 dB, 95 dB typical
Dynamic range set to high
|
|
Dynamic range, 4 GHz to 6 GHz
MS2085A-0021
|
70 dB, 85 dB typical
Dynamic range set to high
|
Vector Network Analyzer – Frequency and Port Power
|
Frequency range
MS2085A-0904
|
5 kHz to 4 GHz
Option 904
|
|---|---|
|
Frequency range
MS2085A-0906
|
5 kHz to 6 GHz
Option 906
|
| Frequency accuracy |
≤ ± 2.5 ppm (-10°C to 55°C) plus aging, typical
MS2085A
|
| Frequency resolution | 1 Hz |
| Port power, 2.5 MHz to 5 GHz |
Maximum +9 dBm, default 0 dBm, minimum –45 dBm
Port 1 power settable in 0.1 dB steps
|
| Port power, > 5 MHz to 6 GHz |
Maximum +8 dBm, default 0 dBm, minimum –45 dBm
Port 1 power settable in 0.1 dB steps
|
| Sweep speed, 5 kHz to 6 GHz |
380 μs/point
Typical; IF Bandwidth of 100 kHz and 1001 data points
|
| Data points | 2-16001 |
| IF bandwidth |
10 Hz to 1 MHz
Datasheet highlights list IF Bandwidth selections of 10 Hz to 100 kHz
|
Vector Network Analyzer – Transmission Dynamic Range
| 5 kHz to < 2 MHz |
110 dB typical
300 Hz IF Bandwidth, 100 point averaging, maximum port power
|
|---|---|
| 2 MHz to 2 GHz |
110 dB, 125 dB typical
300 Hz IF Bandwidth, 100 point averaging, maximum port power
|
| >2 GHz to 3 GHz |
105 dB, 120 dB typical
300 Hz IF Bandwidth, 100 point averaging, maximum port power
|
| > 3 GHz to 4 GHz |
100 dB, 113 dB typical
300 Hz IF Bandwidth, 100 point averaging, maximum port power
|
| >4 GHz to 5 GHz |
95 dB, 110 dB typical
300 Hz IF Bandwidth, 100 point averaging, maximum port power
|
| >5 GHz to 6 GHz |
90 dB, 105 dB typical
300 Hz IF Bandwidth, 100 point averaging, maximum port power
|
Vector Network Analyzer – Noise Floor (300 Hz, typical)
| 5 kHz to < 2 MHz |
–105 dBm
typical
|
|---|---|
| 2 MHz to 2 GHz |
–116 dBm
typical
|
| >2 GHz to 3 GHz |
–111 dBm
typical
|
| >3 GHz to 4 GHz |
–104 dBm
typical
|
| >4 GHz to 5 GHz |
–101 dBm
typical
|
| >5 GHz to 6 GHz |
–97 dBm
typical
|
Vector Network Analyzer – Temperature Stability (S11, Short, 23 ºC ± 5 ºC)
| 5 kHz to 6 GHz |
0.020 dB/ºC magnitude, 0.200 deg/ºC phase
typical
|
|---|---|
| 1 MHz to 5.5 GHz |
0.020 dB/ºC magnitude, 0.200 deg/ºC phase
typical
|
| 5.5 GHz to 6 GHz |
0.030 dB/ºC magnitude, 0.300 deg/ºC phase
typical
|
| Interference immunity, on-channel | +17 dBm @ > 1.0 MHz from carrier frequency |
| Interference immunity, on-frequency | 0 dBm within ±10 kHz of the carrier frequency |
Vector Network Analyzer – Corrected System Performance (High Port Power, N-Type)
| 2 MHz to < 3 GHz |
Directivity > 44 dB, Source Match ≥ 30 dB, Reflection Tracking ± 0.04 dB, Transmission Tracking ± 0.03 dB
Typical; full 1-path, 2-port forward path calibration, 0 dBm, 1 kHz IFBW, OSLN50A-8/OSLNF50A-8/TOSLN50A-8/TOSLNF50A-8 kit
|
|---|---|
| 3 GHz to 6 GHz |
Directivity > 44 dB, Source Match ≥ 30 dB, Reflection Tracking ± 0.10 dB, Transmission Tracking ± 0.10 dB
Typical; full 1-path, 2-port forward path calibration, 0 dBm, 1 kHz IFBW, OSLN50A-8/OSLNF50A-8/TOSLN50A-8/TOSLNF50A-8 kit
|
Vector Voltmeter (Option 15)
|
CW frequency
MS2085A-0015
|
5 kHz (minimum), 6 GHz (maximum) |
|---|---|
|
Port 1 power
MS2085A-0015
|
-45 dBm to +9 dBm |
|
Calibration methods
MS2085A-0015
|
Full Reflection S11, 1P2P S11 + S21, Response S11, Transmission S21 |
General
| Battery life |
Up to 9 hours
Cable and antenna analyzer
|
|---|---|
| Battery life, VNA | Greater than 3 hour |
| Weight | less than 7 lb |
| Display | IK08 10-inch touch screen |
| Calibration cycle |
12 month
Recommended period
|
Regulatory Compliance
| EMC Directive | 2014/30/EU |
|---|---|
| Low Voltage Directive | 2014/35/EU |
| RoHS Directive | 2011/65/EU + 2015/863 |
| Electromagnetic compatibility |
EN 61326-1:2013
Emissions EN 55011:2009 +A1:2010 Group 1 Class A
|
| Electrical safety | IEC 61010-1:2010+AMD1:2016 |
Specifications are taken from the manufacturer's documentation. See the datasheet for complete and current values.
Applications
- Broadcast transmitter systems
- Cellular networks
- Distributed antenna systems (DAS)
- Military airframes
- Ship communications
- Cable and antenna installation and maintenance
Options & Accessories
| Option | Description |
|---|---|
| MS2085A-0804 | Frequency Option 4 GHz Cable and Antenna Analyzer |
| MS2085A-0806 | Frequency Option 6 GHz Cable and Antenna Analyzer |
| MS2085A-0904 | Frequency Option 4 GHz Vector Network Analyzer |
| MS2085A-0906 | Frequency Option 6 GHz Vector Network Analyzer |
| MS2085A-0002 | Time Domain with Gating |
| MS2085A-0003 | Time Domain Reflection — Also offered as a 90-day time limited option by ordering as a -9xxx |
| MS2085A-0006 | Remove Wi-Fi and Bluetooth |
| MS2085A-0007 | Secure Data |
| MS2085A-0015 | Vector Voltmeter |
| MS2085A-0017 | Secure Communication |
| MS2085A-0019 | High Accuracy Power Meter — Requires USB sensor, sold separately. Also offered as a 90-day time limited option by ordering as a -9xxx |
| MS2085A-0021 | 2-Port Transmission Measurement |
| MS2085A-0031 | GNSS Receiver — Also offered as a 90-day time limited option by ordering as a -9xxx |
| MS2085A-0804-0097 | Accredited Calibration |
| MS2085A-0804-0098 | Standard Calibration |
| MS2085A-0804-0099 | Premium Calibration |
| MS2085A-0806-0097 | Accredited Calibration |
| MS2085A-0806-0098 | Standard Calibration |
| MS2085A-0806-0099 | Premium Calibration |
Documents & Resources
Vector Network Analysis Product Portfolio
brochure
Anritsu RF and Microwave Handheld Analyzers Product Selection Matrix
brochure
C-RAN In The City Poster
brochure
Site Master MS2085A and MS2089A Product Brochure
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Site Master MS2085A and MS2089A Quick Fact Sheet
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Site Master MS2085A and MS2089A Technical Data Sheet
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InterferenceHunter MA2700A Technical Data Sheet
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EU Declaration of Conformity for the Site Master CAA with SPA MS208xA
other · PDF
Calibration Options for Anritsu Site Master Cable and Antenna Analyzer Measurements Application Note
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Transmission Measurement Options with Site Master MS208xA Application Note
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Maintaining Data Security Application Note
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Optimize Satellite Ground Station Performance Product Flyer
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Elevate Aerospace and Defense Capabilities Product Flyer
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Advance Your DAS Deployment Product Flyer
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Revolutionary Field Testing Unveiled Product Flyer
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Electronic Measuring Instruments Digest 2026 Catalog
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Training and Certification Course Catalog
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Extended Power Pack Quick Start Guide
manual
Near-Field Probe Set User Guide
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Site Master MS2085A and MS2089A User Guide
manual
Anritsu Report Tool User Guide
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Spectrum Analyzer (Field Master and RSM) Measurement Guide
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WCDMA Analyzer Measurement Guide
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Channel Scanner Measurement Guide
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Vector Network Analyzer (VNA) Measurement Guide
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Vector Voltmeter Measurement Guide
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5GNR Measurement Guide
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Real-Time Spectrum Analyzer (RTSA) Measurement Guide
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LTE FDD/TDD Measurement Guide
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High Accuracy Power Meter Measurement Guide
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Cable and Antenna Analyzer Measurement Guide
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IQ Capture/Streaming Measurement Guide
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Site Master MS2085A and MS2089A Help
manual
Anritsu Report Tool Help
manual
Site Master MS2085A and MS2089A Programming Manual
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Site Master MS2085A and MS2089A Maintenance Manual
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