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Comba Public Safety Class B Duplex UHF 2 Sub-Band BDA (AC) 2 Window Passband

Comba Public Safety Class B Duplex UHF 2 Sub-Band BDA (AC)

Comba Public Safety Class B Duplex UHF 2 Sub-Band BDA (AC) 2 Window Passband

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    Free Lifetime Support. SKU / Model: RXUHF-B36AC-2WA

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    Product Description

    Comba Critical Point Public Safety duplexed, dual sub-band Class B 2 window passband BDA (RXUHF-B36AC-2WA) is AC powered. It is provided with any of the following (do specify precise passbands in your order):

    • 2.0MHz in 450-470MHz + 1.0MHz (470-512MHz).
    • 2.0MHz + 2.0MHz (450-470MHz).
    • 1.0MHz + 1.0MHz (470-512MHz).

    This UHF public safety bi-directional amplifier also features SNMP intelligent configuration in web-based GUI. Typical analog and digital communications, P25 P1/P2 are simultaneously supported. Amplifier oscillation is blocked by a compulsory isolation inbuilt test amidst supporting internal duplexing and simplex. Noise minimization is assured by PA uplink shutdown and comes with up to four wide-band filters.


    Comba Telecom's CriticalPoint RXUHFB36AC2WA is a Class B, AC powered, dual sub-band, duplexed BDA.

    Compliances: NFPA 1221/IFC (dry contact alarms) and NFPA 1221/IFC (NEMA 4 enclosure).


    • 36 dBm Composite Power Downlink.
    • 30 dBm Composite Power Uplink.
    • 0-30 GAR [Gain Adjustment Range (dB)].
    • -33 degrees to +60 degrees centigrade operation range.
    • Weight is 77.0 lbs.
    • Type N-Female RF connectors.
    • Measures 15.4 inches Width by 12.4 inches Length by 31.5 inches Height.


    • Supports P25 P1/P2 digital and conventional analog communications simultaneously.
    • Simplex and internal Duplexing supported.
    • Up to 4 wideband filters.
    • Uplink PA shutdown bring the minimum noise for Base Station.
    • Built-in mandatory isolation test to prevent BDA oscillation.
    • Web based GUI for intelligent configuration, SNMP supported.
    • NFPA 1221 / IFC compliant dry contact alarms.
    • NFPA 1221 / IFC compliant NEMA 4 enclosure.

    Technical Specifications:

    Manufacturer: Comba Telecom, Inc.
    Composite Power Downlink: 36 dBm.
    Composite Power Uplink: 30 dBm.
    Gain Adjustment Range (dB): 0 to 30dB.
    Bands Supported: UHF.
    Operating Temperature Range: -33 to +60 deg. cen.
    Item Height: 31.5 inches.
    Item Width: 15.4 inches.
    Item Depth: 12.4 inches.
    Item Weight: 77.0 lbs.
    Qty/ Uom: 1 each.
    RF Connector Type: N-Female.



    Per FCC laws and regulations, this INDUSTRIAL GRADE device 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 distributed antenna system installer questionnaire for a quote, if you require professional installation and assistance with distributed antenna system design, consent and approval process with our certified public safety distributed antenna system installation service.


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    Note: For any signal booster to help, outside signal strength must be at least -110 dB or there must be a clear line of sight to a cell tower that is within twenty miles. Please check outside signal level in decibels before ordering. Square footage stated in signal booster listings is based on good signal outside. If it is any weaker, the boosted sq. ft. area will be considerably lower, accordingly.

    If it is too weak, submit request for cell coverage solution assessment. Upon receipt of questionnaire, we will perform residential or business site survey. This will help us determine the system that is needed to improve cell coverage. Then, we will create system design using that system such as femtocell, active or hybrid distributed antenna system (DAS), or other carrier feed signal enhancing method available that will work at your signal-challenged location. Finally, we will schedule for installation after equipment and installation service quote has been approved by you, or your company.

    Please note: Most home / office / building cell signal booster kits only include bracket to mount exterior antenna on outside wall, edge of roof, or existing pipe up to 2 inches in diameter. Mounting pole not included with most kits, unless stated specifically that it is included for free. Therefore, a mounting post must be purchased separately if you will require it to mount exterior antenna.

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