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    • KARAT-902 GSM-communicator

    KARAT-902 GSM-communicator

    • KARAT-902 GSM-communicator

    Communicator is designed to transfer the data acquired from heat energy meters and calculators via GSM network. The data can be transferred via CSD and GPRS.

    • Provision of a channel for communication with the server in GSM/GPRS network.
    • Meters and calculators are connected via:
      - wire RS-485 or RS-232 interfaces
      - wireless radio channel.
    • The communicator informs about shortage of cash available on SIM-card.
    More

    Characteristics

    Specifications

    Wireless communication standard GSM/GPRS
    Frequency range, MHz
    — model fitted with one SIM-card
    — model fitted with two SIM-cards

    850; 900
    850; 900; 1,800; 1,900
    Transmitter output power at 1,800/1,900 MHz not more than 1 W
    at 850/900 HMz not more than 2 W
    Antenna jack SMA
    Compatible SIM-cards
    1.8 V / 3 V
    Power supply for communicator — DC voltage
    9-36 V
    Power consumption Not more than 5 W
    Number of managed servers, pcs. 4
    Communicator event log, logs Up to 128

    Channels and communication standards

    GPRS Class 10
    CSD Asynchronous transparent or non-transparent data service, speed up to 14400 bit/s
    SMS Short message service
    USSD Interaction service

    Specifications of communication ports

    Communication ports
    Radio interface 1
    RS-232 1
    RS-485 1
    Specifications of interfaces RS-232 and RS-485
    Connector type Clip connector
    Number of devices to be connected:
    RS-232
    RS-485

    1
    Up to 32
    Data transfer speed 1200-38400 bits per second
    Data format, bit 7 or 8
    Number of stop bits 1 or 2
    Parity check customized
    Specifications of radio interface
    Number of devices to be connected Up to 32
    Carrier frequency, MHz 868.8
    Modulation type FSK
    Frequency deviation, kHz 40
    Data transfer speed, kbit/s 10
    Operating mode packet
    Maximum size of a packet, byte (including service packets) 72

    Environment

    Ambient air temperature, °С From -20 to +70
    Relative air humidity, % 25-80
    Atmospheric pressure, kPa 84.00-106.70

    Overall dimensions and installation clearance

    Weight, maximum, g
    300
    Ingress Protection IP 65
    Overall dimensions, mm 145х65х40
    Service life, years 10
    Body mounting On the wall

    OEM
    • We offer the following metering instruments
      under KARAT trademark
    • We offer the following metering instruments
      under YOUR trademark

    Back to list
    • Smart meters
    • Apartment-level heat meter
    • Apartment-level water meter
    • Heat energy calculators
    • Flowmeter
    • Communication equipment

    KARAT FACTORY offers IoT-solutions customized for utility market.

    We introduce smart meters, technologies for integration of the LoRaWAN standard interface, as well as web-services for operation in digital networks.

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    Apartment-level water meter
    Heat energy calculators
    Flowmeter
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    Smart meters
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    +7 (343) 222-23-06 *1502
    Russia
    Russia, Yekaterinburg
    ved@karat-npo.ru
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