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    The tBLE-720 module is designed for serial network like RS-232, RS-422 or RS-485. It allow RS-232, RS-422 or RS-485 interface to be converted to Bluetooth low energy (LE) piconet network. User can choose tBLE-720 or mobile device (e.g. smart phone, tablet or notebook) to do the connection, which provides Bluetooth LE data conversion between two devices. The tBLE-720 has two transmission modes – advertisement and connection mode. Users not only can send advertising packet in the advertisement mode but also can send connection packet in the connection mode. It supports different roles in each transmission mode. One is broadcaster and observer in advertisement mode, and the others is central and peripheral in connection mode. User can use dip switch to change transmission mode and role. The tBLE-720 supports a lot of useful AT commands. They can set many parameters such as connection parameters, broadcast parameters.
    The tBLE-720 also provides slave security mechanism. The mechanism can obstruct illegal master, and the slave will ignore connection request from illegal master. In addition, ICPDAS provides software utility to easily configure and test the tBLE-720 modules via RS-232, RS-422 or RS-485.

    • Frequency: ISM 2.4 GHz
    • Standard: Bluetooth 4.0
    • Interface: RS-232, RS-422 and RS-485
    • Baud Rate :9600~115200 bps
    • Supports multiple connections –Max slave is 3
    • Supports two types of communication - advertisements and connection
    • Provide AT command to setup the module
    • RF Link and status LED indicators for troubleshooting
    • Easy-to-use switch for baud rate and Bluetooth LE role setting
    • No Antenna required
    • GUI Configuration Software (Windows Version)
    • Operating Temperatures, -25 °C ~ +75 °C


    ICP DAS provides the tBLE-720 configuration utility for Windows OS.

    • Parameters configuration
    • Firmware upgrade
    • Easy test to transmit/receive
    • Setting files management
    LED indication Status / RF link
    Switch Dip switch: Role /  Transmission mode
    Rotary switch: Baud rate
    RF Specification
    Frequency Band 2.4 GHz ISM(2402~2480 MHz)
    Tx power -20~4 dBm
    Rx sensitivity -94 dBm
    Antenna type  1.0 dBi chip antenna
    Transmit Range 20 m
    RF data rate 85 kbps
    Max. Slaves Supported 3
    Bluetooth LE Interface
    Version Bluetooth 4.0
    Connection Role

    Central/Peripheral – connection mode

    Observer /Broadcaster – broadcast mode
    Communication Interface
    COM0 RS-232 TxD, RxD and GND
    RS-422 Tx+, Tx-, Rx+ and Rx-
    RS-485 Tx+ and Tx-
    Data Format N,8,1
    Baud Rate 9600~115200 bps
    Operating Voltage +10 VDC ~ +30 VDC
    Power Consumption 1W
    Casing Plastic
    Dimensions (W x L x H) 52 mm x 95 mm x 27 mm
    Installation DIN-Rail
    Operating Temperature -25 ~ +75°C
    Storage Temperature -25 ~ +75°C
    Relative Humidity 5 ~ 95% RH, Non-condensing
    tBLE-720 CR
    RS-232/RS-422/RS-485 to Bluetooth LE Converter (RoHS)
    9-pin Female D-sub & 3-wire RS-232 cable,1m