JFH9881M
  • JFH9881M
  • JFH9881M
  • JFH9881M
  • JFH9881M
  • JFH9881M

Altimind UHF Series

JFH9881M

JFH9881M is an excellent performance UHF Indy2000 RFID Reader Module. It is designed upon fully self-intellectual property. Based on proprietary efficient digital signal processing algorithm, it supports fast tag read/write operation with high identification rate. It can be widely applied in many RFID application systems such as logistics, access control, attendance system, anti-counterfeit and industrial production process control system.


    • Self-intellectual property;
    • Support EPC C1G2(ISO 18000-6C, ISO18000-6B protocol tag;
    • 865-868MHz, 902-928MHz frequency band(frequency customization optional);
    • FHSS OR Fix Frequency transmission;
    • RF output power is adjustable from 0~30dbm with 1 db step;
    • Effective reading distance more than 9 meters*(with 6ddBiL antenna and E41 tag)(Effective distance depends on antenna, tag, environment);
    • Support RS232(3.3V TTL level TTL level);
    • Support RSSI;
    • Support 2 GPIOs(1 input and 1 output);
    • Peak inventory speed>500pcs/s;
    • Buffering memory 1000pcs@96bits EPC;
    • IPX antenna port with antenna failure detection;
    • Support 1 external antenna with MMCX-J socket;
    • Low power dissipation with single +3.7V~+5V DC power supply;
    • High stability with natural cooling;
    • Support firmware on-the-site upgrading;
    • Provide SDK and demo software to facilitate further development;




    CHARACTERISTICS

    • Absolute Maximum Rating


    ITEM


    SYMBOL

    VALUE

    UNIT


    Power Supply


    VCC

    5.5

    V


    Operating Temp.


    TOPR

    -20~+55


    Storage Temp.


    TSTR

    -20~+85



    • Electrical and Mechanical Specification

      Under TA=25℃,VCC=+5V unless specified


    ITEM


    SYMBOL

    MIN

    TYP

    MAX

    UNIT


    Power Supply


    VCC

    3.7

    5

    5.25

    V


    Current Dissipation


    IC

    1200

    mA


    Frequency


    FREQ

    860

    860~868

    902~928

    960

    MHz


    RF Output Power


    PRF

    0

    33

    dBm


    RF Power Accuracy


    APRF

    +/-1

    dB


    RF Power Conformity


    FPRF

    +/-0.2

    dB


    Receive Sensitivity


    SR

    -85

    dBm




























    Structure Dimensions(Unit: mm):

    Picture No.1:Module Dimension & Hole Position


    Picture No.2:Module Thickness


    Interface

    1.    Module PIN Description

    Picture No.4: PIN Description


    No.


    Symbol

    Comment


    1


    GPI1

    General input (3.3V TTL level)


    2


    EN

    Enable. High level effective.


    3


    LED1

    LED Indicator. High level effective.


    4


    RXD

    Serial data input


    5


    TXD

    Serial data output


    6


    GPO1

    General output (3.3V TTL level)


    7


    GND

    Ground


    8


    GND


    9


    USB-DP

    USB Data+


    10


    USB-DM

    USB Data-


    11


    VIN

    Power supply (+3.7~5V)


    12


    VIN


    2. Antenna Interface




    Pls leave your contact information here to guide you to the free SDK download access.

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