SpecAtlasHub

S361E

Anritsu*misc

The Anritsu S361E Site Master is a high-performance, rugged, and portable cable and antenna analyzer designed to operate over the 2 MHz to 6 GHz frequency range. Highly trusted by field technicians, wireless providers, and contractors, it simplifies installation, deployment, and maintenance of antenna systems with precise measurements, integrated calibration options, and field-proven durability.

Antenna MeasurementCable and Antenna AnalysisRF and MicrowaveWireless Communications

Specifications

General

ParameterValue
InterfacesUSB 2.0 Host (Type A) x2, USB 2.0 Client (Mini-B) x1, RJ45 LAN (10/100 Mbps) x1
Display8.4 in Resistive TFT touchscreen, 800 × 600 resolution

Physical

ParameterValue
Power Supply100 V AC to 240 V AC, 50 Hz to 60 Hz (via AC/DC adapter); 12 V DC to 15 V DC input, 12 W typical
Operating Temperature-10 °C to +55 °C
Dimensions (W×H×D)273 mm × 199 mm × 91 mm
Weight2.71 kg (6.0 lbs)

Frequency

ParameterValue
Frequency Range2 MHz to 6 GHz
Frequency Resolution1 kHz
Frequency Accuracy±2.5 ppm @ 25 °C
Frequency Aging±1.0 ppm/year

Measurements and Performance

ParameterValue
Supported Measurement ModesReturn Loss, VSWR, Cable Loss, Distance-to-Fault (DTF) Return Loss, Distance-to-Fault (DTF) VSWR, 1-Port Phase, Smith Chart (50/75 Ω)
Return Loss Range0 to 60 dB
Return Loss Resolution0.01 dB
VSWR Range1 to 65
VSWR Resolution0.01
Cable Loss Range0 to 30 dB
Cable Loss Resolution0.01 dB
Distance-to-Fault (DTF) Maximum RangeUp to 1500 m (4921 ft) depending on cable loss
One-Port Phase Range-180° to +180°
Velocity Factor Range0.000 to 1.000
On-Channel Interference Immunity+17 dBm
On-Frequency Interference Immunity+13 dBm

RF Port Specifications

ParameterValue
RF Out Port Connector TypeType N, female
RF Out Port Impedance50 Ω
RF Out Port Maximum Input Power (Damage Level)+23 dBm
RF Out Port Maximum DC Voltage±50 V DC

Sweep and Triggering

ParameterValue
Sweep Time per Data Point1.0 ms (typical)
Sweep Points137, 275, 551, 1102, 2204
Sweep TriggersSingle, Continuous
Limit LinesUpper/Lower, Single/Multi-segment, Limit Envelope

Calibration and Standards

ParameterValue
Calibration MethodsOSL (Open-Short-Load), FlexCal, InstaCal
Recommended Calibration Cycle12 months

Display and User Interface

ParameterValue
Display TypeResistive TFT Color Touchscreen
Display Size8.4 in (213 mm) diagonal
Display Resolution800 x 600 (SVGA)
On-Screen Language SupportEnglish, French, German, Spanish, Chinese, Japanese, Korean, Italian, Russian

Connectivity and Interfaces

ParameterValue
USB Host Port (Type A)2 ports, USB 2.0
USB Client Port (Type B)1 port, Mini-B, USB 2.0
LAN / Ethernet InterfaceRJ45, 10/100 Mbps
External Reference Input10 MHz (BNC, female)

Data Storage and Software

ParameterValue
Internal Memory Capacity> 2000 files (traces, setups, screen captures)
External Storage SupportUSB Flash Drive
PC Analysis SoftwareLine Sweep Tools (LST), Master Software Tools (MST)
Report Generation FormatsPDF, HTML, CSV
Pre-programmed Cable Standards DirectoryBuilt-in list of over 100 cable types

Power Supply and Battery

ParameterValue
AC Adapter Input Voltage Range100 V AC to 240 V AC, 50 Hz to 60 Hz
AC Adapter Output Voltage12 V DC to 15 V DC
Battery TypeLithium-Ion, rechargeable
Battery Operating TimeUp to 4.0 hours
Battery Charging Time4 hours (typical, unit off)

Environmental and Mechanical

ParameterValue
Storage Temperature Range-40 °C to +75 °C
Relative Humidity95% RH, non-condensing
Shock and Vibration ComplianceMIL-PRF-28800F Class 2
Altitude Limits4600 m (15000 ft), operating

Bias Tee (Option 10)

ParameterValue
Bias Tee Output Voltage Range+12 V to +32 V (Option 10 dependent)
Bias Tee Output Voltage Resolution0.1 V (Option 10 dependent)
Bias Tee Maximum Current450 mA (Option 10 dependent)
Bias Tee Maximum Power8 W (Option 10 dependent)

2-Port Transmission Measurement (Option 21)

ParameterValue
2-Port Transmission Measurement Frequency Range2 MHz to 6 GHz (Option 21 dependent)
Dynamic Range (2 MHz to 4 GHz)80 dB (Option 21 dependent)
Dynamic Range (4 GHz to 6 GHz)70 dB (Option 21 dependent)

GPS Receiver (Option 31)

ParameterValue
GPS Frequency Accuracy< ±25 ppb (GPS on, after 3 minutes warm-up, Option 31 dependent)
GPS Antenna ConnectorSMA, female (Option 31 dependent)
GPS Antenna Supply Voltage3.3 V or 5 V (Option 31 dependent)
GPS Tracking Sensitivity-162 dBm
GPS Acquisition Sensitivity-148 dBm
GPS Cold Start Acquisition Time2.5 minutes (typical)
GPS Warm Start Acquisition Time5 seconds (typical)

CW Generator (Option 28)

ParameterValue
CW Generator Frequency Range2 MHz to 6 GHz (Option 28 dependent)
CW Generator Output Power-5 dBm typical (Option 28 dependent)

High Accuracy Power Meter (Option 19)

ParameterValue
Compatible USB Power SensorsMA24105A, MA24106A, MA24108A, MA24118A, MA24126A, MA24208A, MA24218A (Option 19 dependent)

RF Input Port

ParameterValue
RF In Port Connector TypeType N, female (Option 21 dependent)
RF In Port Impedance50 Ω (Option 21 dependent)
RF In Port Damage Level+23 dBm (Option 21 dependent)
RF In Port Maximum DC Voltage±50 VDC (Option 21 dependent)

Regulatory & Compliance

ParameterValue
Safety Compliance StandardsEN 61010-1, UL 61010-1, CAN/CSA-C22.2 No. 61010-1
EMC Compliance StandardsEN 61326-1, EN 55011, AS/NZS CISPR 11

2-Port Transmission Measurement

ParameterValue
Load Match≥ 42 dB (typical)

Inputs & Outputs

ParameterValue
External Reference Input Impedance50 Ω
External Reference Input Frequency10 MHz
External Reference Input Level-10 dBm to +10 dBm
External Trigger Input LevelTTL compatible
LAN Ethernet Speed10/100 Mbps

Power Meter (Option 19)

ParameterValue
High Accuracy Power Meter Resolution0.01 dB

Technology

Cable and Antenna Analysis

Applications

Antenna installation, field maintenance, troubleshooting, and sweep testing