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Comba Class A Public Safety Fiber DAS Master Unit 700/800MHz w/4 Port, 32 Ch., -48VDC

Comba Class A Public Safety Fiber DAS Master Unit 700/800MHz w/4 Port, 32 Ch., -48VDC

Comba Class A Public Safety Fiber DAS Master Unit 700/800MHz w/4 Port, 32 Ch., -48VDC

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    Free Lifetime Support. SKU / Model: RH7W22-D7848E4

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    Description

    Product Description

    Comba Critical Point Public Safety Class A Fiber DAS Master Unit (RH7W22D7848E4) operating on 700-MHZ and 800-MHz with 4 optical ports, 32 Channels, -48 VDC. Comba Telecom PS Fiber DAS Class A 700/800MHz (MU 4 ports, -48VDC) is a unique 32 channel public safety repeater backed by a manufacturer warranty of three years. The master unit amplifier features four optical ports.

    Features:

    • Dual-band configuration supports 700MHz and 800MHz public safety bands.
    • Supports P25 P1/P2 digital and conventional analog communications simultaneously.
    • Up to 32 Channels.
    • 2W output power per band.
    • Channelized Auto Level Control (ALC) supported.
    • Channelized uplink squelch supported.
    • Web based GUI for intelligent configuration, SNMP supported.
    • Built-in mandatory isolation test to prevent oscillation.
    • NFPA 1221 compliant dry contact alarms.
    • NFPA 1221 compliant NEMA 4X enclosure.

    Specifications:

    Supported Bands: 700MHz and 800MHz Public Safety Network Bands.
    Uplink Frequencies: 799-805 MHz and 806-824 MHz.
    Downlink Frequencies: 769-775 MHz and 851-869 MHz.
    Channel Bandwidth: 12.5/ 25/ 75 KHz.
    Optical Fiber: Single Mode.
    Optical Wavelength: 1550, 1310 + WDM.
    Master Unit Optical Output Power: -4 to -2 dBm.
    Maximum Optical Loss: 6.5 dB.
    Master Unit Fiber Connectors: SC/ APC.
    Number of Filters: 32.
    Total Output Power, Uplink: 27 dBm.
    Total Output Power, Downlink: 33 dBm.
    Maximum System gain: 95 dB.
    Gain Adjustment Range (GAR) @ 1dB step: 0-30 dB.
    Pass Band Ripple (p-p): ≤ 3 dB.
    Spurious emission: FCC Compliant.
    Intermodulation: -13 dBm.
    Uplink Noise Figure at Maximum Gain: ≤ 5 dB.
    System Delay: 17-37 sec.
    Max UL Input w/o Overdrive: -30 dBm.
    Max UL Input w/o Damage: -10 dBm.
    Input VSWR: ≤ 1.5.
    Impedance: 50 Ohm.
    Power Supply: -48V DC.
    Power Consumption (approx.): 100W.
    RF Connectors: N-Female, duplex.
    Fiber Connectors: SC/ APC.
    Operating Temperature: -40 to +55 oC.
    Operating Humidity: ≤ 95%.
    Ingress protection: NEMA 4X.
    Enclosure Cooling: Convection.
    MTBF: 100,000 @ 77 oF.
    Dimensions: Height 22.4", Length 15.4", Width 8.5".
    Weight without Bracket: 66 lbs.
    UPC:

    729198661021.

    Warranty: Three Years.

     

    WARNING:

    Per FCC laws and regulations, INDUSTRIAL GRADE distributed antennas system (Fiber DAS) master and/or remote units must not be installed by consumers. It is designed for installation by QUALIFIED INSTALLERS only. You MUST have an express consent in writing from all Carriers in your service area to operate this device. Unauthorized use may result in significant forfeiture penalties, including penalties in excess of $100,000 for each continuing violation. Please submit public safety DAS installation service questionnaire for a quote if you require professional installation and assistance with consent and approval process.

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