LSD SCIENCE & TECHNOLOGY CO., LTD. Operation Manual 2.4G LSD4RF379-02D0 V1.1
: 425 Tel:0571-88800000 Fax:0571-89908080 2.4G LSD4RF379-02D0 20140528 20140528 1 V1.0 XXXX-XX-XX 2014-05-28 2 PCB V1.1 3 V1.2 2014-06-26 2014-07-25
: 425 Tel:0571-88800000 Fax:0571-89908080 Chap1characteristics .......................................................................................................................................... - 4 -
Chap2Parameter ................................................................................................................................................ - 5 -
Chap4Hardware layout ...................................................................................................................................... - 8 -
Warning: ................................................................................................................................................................ - 8 -
: 425 Tel:0571-88800000 Fax:0571-89908080 Chap1characteristics LSD4RF379-02D0 is dedicated to voice communication and cotnrol The module functions as below Keyboard: 10 lower, left, right, confirmation, menu, home, return;
keys, function respectively, voice standby switch key, the upper and Distance: above 7m no orientation Indicator: pair, talk, low battery, indication of charging Power supply: 3.7V lithium, 330mAh, MINI USB Voice communication16BIT16Kbps Sample rateVoice picking distance 15cm~1.5mNO conflict with WIFI LSD4RF379-02D0 can be applied to these occasions TV Remote controller
: 425 Tel:0571-88800000 Fax:0571-89908080 Chap2Parameter Part number LSD4RF379-02D0 Temperature
-20 50 Voltage 3.7V Frequency 2433MHz-2483MHz Carrier frequency offset Modulation Crystal frequency Emission power Accuracy 40KHz GFSK 32MHz 4dBm defined Dimension Refer to chap 3
: 425 Tel:0571-88800000 Fax:0571-89908080 PCB antenna as below PCB TESTING DATA
: 425 Tel:0571-88800000 Fax:0571-89908080 Chap3Functionality 1 WITH the host transceiver distance in about 0m~2m, and press the menu button, return, pairing 2 .Paring need within 5s, over time 10s 2) Power management 1Neither voice function nor paring, no press key, then switch to lower power consumption standby mode in 20s 2Remote controller open voice function, but no voice input nor transmission, then shut down voice function in 5 minutes and switch to lower power consumption standby mode 3In standby, press any key to awake device, the responded time required to be less than 300ms 4Usually in standby mode, press key to awake device, voice function kept and step to sleep mode once communication is finalized 3) Power consumption 1StandbyCurrent <20uA 2Voice communication<30mA 3Press key or paing<20mA 4 1.Central frequency 2433MHz40k;
2. Emission power more than 0 dbm;
3. Emission current less than45mA;
4. Receiving current less than 30mA;
: 425 Tel:0571-88800000 Fax:0571-89908080 Chap4Hardware layout Warning:
2Thanks for choosing Lierda products. Please read through this Manual before using the products. By using the products, you have understood and accept the terms and instructions in this Manual. 3Wireless communicating module has some instability, there may lose frame or reframe, users can adopt some security arrangement to ensure the stability. 3. Lierda Science & Technology Group Co., LTD reserves all legal rights to revise and explain the terms and information provided, without prior notices. Lierda WSN BU
: 425 Tel:0571-88800000 Fax:0571-89908080