YiShi YS-1020UB, Manual

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ShenZhen YiShi Electronic Technology Development Co., Ltd YS­1020UB MANUAL
YS Ultra low power wireless data module
http://www.yishi.net.cn
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3. Specifications
* RF power: ≤50mW/ 17dBm;
* Receiving current: <25mA;
* Transmitting current: <55mA;
*
Sleep current: <20uA;
* Power supply: DC 5v or 3.3V;
* Receiving sensitivity: ­115 dBm (@9600bps)
­120 dBm (@1200bps);
* Size: 47mm×26mm×10mm (without antenna port );
* Range: ≤0.8Km (BER=10­
3
@9600bps
，
when antenna is 2m above ground in open area),
≤1 Km (BER=10­
3
@1200bps
，
when antenna is 2m above ground in open area).
4. Installation dimension:
5. Interface definition:
Pin Pin
name
Description Level Connection with
terminal
Remands
1
GND Grounding of power supply Ground
2 Vcc Power supply DC +3.3~5.5V
3
RXD/TTL Serial data receiving end TTL TxD
4 TXD/TTL Serial data transmitting end TTL
RxD
5 DGND Digital grounding
6
A(TXD) A of RS­485 or TXD of
RS­232
A(RxD)
7
B(RXD) B of RS­485 or RXD of
RS­232
B(TxD)
8 Sleep Sleep control (input) TTL Sleep signal Low level sleep
9
Test Ex­factory testing
NOTE: Generally the module is in receiving status, if the Sleep pin (No.8) continuously connects low level
(>200millisecond), the module will be in sleep status, modules can not receive or transmit any data when sleep.