The SMART Coupler combines a specially developed broadband, 130 – 960 MHz, passive coupler with active, diagnostic technology for system monitoring with failure detection and malfunction location capabilities.
The SMART (System Monitor Alarm Report Technology) Passives system is made up of a SMART Gateway at the head-end and SMART Couplers deployed in the DAS. Each coupler reports the Voltage Standing Wave Ratio (VSWR) at each port based on a calibrated CW tone generated by the gateway. By storing and comparing the VSWR at each port over time the SMART system can report failures such as an open or short circuit. The gateway then communicates the alarm via e-mail, SMS, or SNMP and pinpoints the location where the failure occurred.
The real-time monitoring capabilities that the SMART Passives system provides will ensure that Public Safety DAS system integrators, Authorities Having Jurisdiction (AHJ), and building owners can depend on the operation of their critical communication systems.
- Monitors DAS infrastructure health; including antennas, coaxial cables, and other passive components
- Designed for public safety VHF, UHF, TETRA, 700, 800, 900 MHz bands
- FirstNet Band 14 Ready
- Diagnostics, power, and communications provided over RF coaxial cable by the SMART Gateway
- Alarms communicated via e-mail, SMS, and SNMP
- SMART Gateway dashboard web server compatible with all modern browsers
- Frequency: 130 to 960 MHz
- VSWR, all ports: 1.25:1 max.
- Power Rating: 50 W avg.
- Directivity: >18 dB
- Impedance: 50Ω nominal
- Freq. Sensitivity: +/- 1.7dB 130-180 MHz +/- 1.2dB 180-960 MHz
- Environment: -20°C to +50°C, IP67
- Housing Finish: Red Painted
- Connectors: N (f), Triplate
- Weight: 3.1 lbs.
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