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Comba Critical-Point Canada Public Safety Class-B BDA, 2-Watts, 700-MHz Single-Band 33-dBm, -48VDC

Comba Critical Point Canada Public Safety Class B Repeater, 2 Watts, 700 MHz 700MHz Single-Band 33dBm, -48VDC

Comba Critical-Point Canada Public Safety Class-B BDA, 2-Watts, 700-MHz Single-Band 33-dBm, -48VDC

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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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    Need installation quote, or help with designing a custom solution? Submit a request for quote.

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    Product Description

    Comba Telecom 700 MHz Class B (90dB, 2W output, -48VDC, DC, IC) is a public safety cellular repeater with a composite power of 33dBm on downlink and uplink paths. It includes FPGA digital programming feature supporting a total of three sub bands. Signal amplifier also supports typical analog and digital P25 P1/P2 communications concurrently, as well as band 14 LTE for FirstNet. A license is included allowing a switch to 800MHz from 700MHz and upgradable through a license key to make it dual band. Bi-Directional amplifier (BDA) has auto alarm and shutdown features added are critical wherever oscillation is detected. Web GUI offer a smart programming and integral compulsory isolation test to avoid isolation of the amplifier. Essential dry contacts and enclosure for fire panel alarming are compliant with NFPA standards. Greatly enhances in-building wireless (IBW) coverage to meet Authority Having Jurisdiction (AHJ) requirements.


    Supported Bands: 700 MHz.
    Uplink Frequencies: 798-806 MHz.
    Downlink Frequencies: 768-776 MHz.
    Uplink Composite Power: 25 dBm.
    Downlink Composite Power: 33 dBm.
    Gain: 90 dB.
    Power Supply: -48V DC.
    RF Connectors: Type N-Female.
    Dimensions: 20.9" height, 8.3" length and 15.4" Width.
    Weight: 51 lbs.
    UPC: 729198579395.
    Warranty: Three Years.



    Per wireless telecommunication rules and regulations in Canada, this INDUSTRIAL GRADE bi-directional amplifier (BDA) must not be installed by consumers. It is designed for installation by QUALIFIED INSTALLERS only in conjunction with other parts such as donor and server antennas. 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 questionnaire for a quote if you require professional installation and assistance with consent and approval process.


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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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