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Comba Public Safety Class A UHF BDA (AC) 2 or 3 Window Passband Duplexed Dual Sub-band

Comba Public Safety Class A UHF BDA (AC) Duplex Dual Sub-Band

Comba Public Safety Class A UHF BDA (AC) 2 or 3 Window Passband Duplexed Dual Sub-band

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    • *These fields required. [2] May exclude very large size items because we offer free shipping so our actual cost may be too high due to the size/ weight of item to be able to match the price. [3] Request must be made before order placement. Not valid after order placed. Other restrictions may apply. Please contact us for details.

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    Free Lifetime Support. SKU / Model: RXUHF-A36AC-2WA

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    Product Description

    Comba Public Safety CriticalPoint duplexed, dual sub-band, Class A BDA (RXUHF-A36AC-2WA or RXUHF-A36AC-3WA) is AC powered and provided with either of the following:

    • Passband of 2MHz from 450MHz to 470MHz including passband of 1MHz from 470MHz and 512MHz.
    • 2.0MHz+2.0MHz within the 450MHz and 470MHz window guard-window band larger than 3.0MHz.
    • 1.0MHz+1.0MHz within the 470MHz and 512MHz window-window guard band more than 2.0MHz.

    While ordering, ensure the passbands are specified clearly. The Bi-Directional UHF Public Safety Comba CriticalPoint amplifier also supports typical analog and digital P25 P1/P2 communications concurrently. Also supported include SNMP intelligent configuration in web-based GUI and mandatory oscillation prevention isolation test in-built in the system. Minimum noise is guaranteed by a PA uplink shutdown while an uplink squelch channelization is also supported. Others include ALC (Auto Level Control) channelization supporting narrow band filters up to 32. Internal duplexing and simplex are also supported.


    Comba Telecom RXUHFA36AC2WA or RXUHFA36AC3WA is a Public Safety Critical Point series Class A, 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)].
    • Measures 31.5 inches (height) by 12.4 inches (length) by 15.4 inches (width).
    • 32 Channels.
    • -33-60 degree C range.
    • Weighs 77.0 lbs.
    • Type N-Female connectors.


    • Supports P25 P1/P2 digital and conventional analog communications simultaneously.
    • Simplex and internal Duplexing supported.
    • Up to 32 narrow band filters.
    • Channelized Auto Level Control (ALC) supported.
    • Channelized uplink squelch supported.
    • 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): 0-30.
    Item Height: 31.5 inches.
    Number of Channels: 32.
    Temperature Range: -33-60 degrees centigrade.
    Item Weight: 77.0 lbs.
    Item Width: 15.4 inches.
    Qty/ Uom: 1 each.
    RF Connectors: Type N-Female.
    Item Length: 12.4 inches.



    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 BDA installation service questionnaire for a quote if you require professional installation and assistance with BDA design, consent and approval process by certified public safety BDA installers.


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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. Before ordering, please check outside signal level in decibels or ensure that you can make and hold a phone call at any good spot outside where you can mount an exterior antenna. 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.

    Kevin K. of Anderson, California gave the following review:

    Website is easy to use with plain straight forward info but could have had more on testing signal strength to make sure you get a strong enough booster.

    Therefore, please note that stated sq. ft. coverage is based on good signal outside. For best results: If outside signal is weak, we suggest choosing the next higher sq. ft. coverage kit. If outside signal is very weak, we suggest choosing the kit with even more higher sq. ft. range bracket. Basically, higher the sq. ft. bracket, the more powerful the signal amplifier with greater Gain as well as higher uplink and downlink output power.

    If outside signal is too weak (weaker than -110 dB), 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.

    For non installation-included kits: 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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