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This Anritsu S331E SiteMaster is a used unit in good cosmetic condition. The unit has been powered on and passed all self-tests, including System Self Test and Application Self Test (Overall Status: PASSED). It is fully operational and ready for field use.

The unit carries the following active licensed options:
• Option 10 — Bias Tee (built-in 12–32 V DC bias on RF port, requires Option 21)
• Option 19 — High Accuracy Power Meter (USB power sensor support)
• Option 21 — 2-Port Transmission Measurement (gain, insertion loss, isolation; high and low power modes)

The unit was calibrated on 19/08/2025 and is within specification. The next calibration is due 19/08/2026. A calibration certificate is included.

This listing includes the following items:
• Anritsu S331E SiteMaster unit
• Anritsu soft carry bag with shoulder strap
• Hard foam-lined transit/flight case
• AC mains adapter/charger
• Sucotest RF test cable ST_18A/Nm/Nf, 3000mm (N-male to N-female)
• N-type calibration kit: Open, Short, Load (Rosenberger RPC-N 50Ω)
• N-type barrel adapter
• Calibration certificate

The Anritsu SiteMaster S331E is an eighth-generation compact handheld Cable and Antenna Analyzer designed for the installation and maintenance of wireless networks, covering 2 MHz to 4 GHz. It delivers the highest performance and most capabilities ever offered by Anritsu in a compact handheld tester, combining precision cable and antenna analysis with optional 2-port transmission measurement, bias tee, and high accuracy power metering in a single rugged field instrument.

Key highlights:
- Measurements: Return Loss, VSWR, Cable Loss, Distance-To-Fault (DTF), Phase, Smith Chart
- 2-Port Transmission Measurement (Option 21): gain, isolation, and insertion loss of tower-mounted amplifiers, duplexers, diplexers, and filters
- Bias Tee (Option 10): built-in 12–32 V DC bias eliminates need for external power supplies in the field
- High Accuracy Power Meter (Option 19): supports Anritsu USB power sensors for accurate RF power measurements
- OSL, InstaCal, and FlexCal calibration methods for fast, flexible field calibration
- Dual display: view two measurements simultaneously with independent markers and limit lines
- easyTest Tools: create and deliver on-screen work instructions for field technicians
- Anritsu Line Sweep Tools (LST) and Master Software Tools (MST) PC software compatibility
- Internal storage for up to 2000 traces; USB and GPS connectivity

Frequency Range: 2 MHz to 4 GHz
Sweep Speed: 1 ms/data point, typical
Display: 8.4-inch daylight viewable resistive touchscreen, 800 x 600
Battery Life: Approx. 4 hours, typical (field-replaceable Li-Ion)
Trace Storage: Up to 2000 traces internally
2-Port Output Power: High 0 dBm typical, Low -30 dBm
Bias Tee Voltage: 12–32 V DC internal
Size: 273 x 199 x 91 mm
Weight: 2.71 kg (6.0 lb)
Operating Temperature: -10°C to +55°C
Country of Manufacture: USA

Anritsu S331E datasheet: Download PDF