JFH2881M
  • JFH2881M
  • JFH2881M
  • JFH2881M
  • JFH2881M
  • JFH2881M

Altimind UHF Series

JFH2881M

JFH2881M is a high performance UHF RFID 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, anti-counterfeit and industrial production process control system.


    • Self-intellectual property;
    • Support EPC C1G2(ISO18000-6C), ISO 18000-6B protocol tag;
    • 865~868MHz, 902~928MHz frequency band(frequency customization optional);
    • FHSS or Fixed Frequency transmission;
    • RF output power up to 30dbm(adjustale);
    • Effective reading distance more than 9 meters*(with 6dBiL antenna and E41 tag)(Effective distance depends on antenna, tag and environment;
    • Support RSSI;
    • Support 3 GPIO ports(with 1 input and 2 output);
    • Support RS232(3.3V TTL level) and full speed USB;
    • Maximum inventory speed over 500/pcs/s;
    • Tag buffer size up 600PCS(Max. 128bits EPC length) or 180PCS(Max.496bits EPC length);
    • Support answer and real-time-inventory work mode;
    • 4 MMCX-J antenna port with antenna auto-tuning and falure-detection;
    • Low power dissipation with single +5V DC power supply;
    • High reliability design;
    • Support on-the-site firmware upgrading.




    CHARACTERISTICS


  • Absolute Maximum Rating


  • ITEM


    SYMBOL

    VALUE

    UNIT


    Power Supply


    VCC

    16

    V


    Operating Temp.


    TOPR

    -10~+55


    Storage Temp.


    TSTR

    -20~+85


  • Electrical and Mechanical Specification

  • Under TA=25℃,VCC=+9V unless specified




    ITEM


    SYMBOL

    MIN

    TYP

    MAX

    UNIT


    Power Supply


    VCC

    4.75

    5

    5.25

    V


    Current Dissipation


    IC

    1500

    mA


    Frequency


    FREQ

    860

    960

    MHz


    RF Output Power


    PRF

    0

    30

    dBm


    RF Power Accuracy


    APRF

    +/-1

    dBm


    RF Power Flatness


    FPRF

    +/-0.2

    dBm


    Receive Sensitivity


    SR

    -85

    dBm





    MECHANICAL DATA(UNIT mm):




    INTERFACE

    1. Host Interface


    No.


    Symbol

    Comment


    1


    VCC

    +5VDC


    2


    VCC


    3


    GND

    Ground


    4


    GND


    5


    ENUSB_5VSENSE

    Enable (USB Present Detection)

    High level effective with internal 1Mohm resistor pulled-up to +3.3V


    6


    nRST

    Low level effective external reset input with internal 10Kohm pulled-up to +3.3V


    7


    ANT1

    Antenna Indicator

    00-ANT1 01-ANT2 02-ANT3 03-ANT4


    8


    ANT0


    9


    USB-DM

    USB Data Minus


    10


    USB-DP

    USB Data Positive


    11


    GPO2

    General Output (3.3VTTL level)


    12


    GPO1


    13


    GPI1

    General Input (3.3VTTL level)


    14


    TXD

    Serial Data Output


    15


    RXD

    Serial Data Input

    2. Antenna Interface



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

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