background image

JZC TELECOM

Technology

Shenzhen JZC TELECOM Technology CO.,LTD.

JZX874A/B Micro Power Wireless Module

User’s Manual

DVER 2.0

SHENZHEN JZC TELECOM TECHNOLOGY CO., LTD

TEL:

+86-755-86714296-805

Mobile:

+86-13692285161

FAX:

+86-755-22676585

Website

http://www.rfmodules.net/

Email:

[email protected]

P.O.

518040

Skype:

jizhuo_002

Address:NO.308-310 ,B BLD, Xanadu Creative Park,Ping Shan 1 Road,Taoyuan

Street, Nanshan District,Shenzhen China

Summary of Contents for JZX874A

Page 1: ...ual DVER 2 0 SHENZHEN JZC TELECOM TECHNOLOGY CO LTD TEL 86 755 86714296 805 Mobile 86 13692285161 FAX 86 755 22676585 Website http www rfmodules net Email business jzxtx com P O 518040 Skype jizhuo_002 Address NO 308 310 B BLD Xanadu Creative Park Ping Shan 1 Road Taoyuan Street Nanshan District Shenzhen China ...

Page 2: ...ters the module with transparent transmission mode no user written set and transmission procedures you can transmit data of any size And provides USB interface means Plug and Play small size easy to use Applications Features Water electricity gas heating automatic meter reading system Frequency 428 434MHz Wireless smart terminal PDA Wireless Queue System Wireless alarm and security system Smart Ca...

Page 3: ...recommend users to send long data packets the proposed length of each packet data between 60 100B generally not longer than the 120B and recommended user program using the ARQ mode the error data packets retransmission As follows If the actual error rate 10 4 users need to send 1KB about 10000bit information if the 1KB data as a packet sent at least theoretically there will be a data error in the ...

Page 4: ...6714296 Tech 0755 61319411 61319410 WEB http www rfmodules net JZX874A B work for the conventional model that module into the computer install the driver software the main good it is in receive mode you also may be sending data Module with PC connections USB connections For software testing and change parameters ...

Page 5: ... to set after set up to read again to see the parameters of the module is not what you want Note Two or more modules to communicate then the frequency of the station modules and air rate must be consistent Module to communicate with user equipment the module s serial port parameters and user settings must be consistent Frequency Communicated Module JZX874A B wireless module with all the JZX87 seri...

Page 6: ...A B Technical specification Modulation GFSK Frequency 433MHz Transmit Power A 100mW 20 dB B 500mW 27dB Receiver sensitivity A 120dBm B 123dBm Transmit Current 400mA Receive Current 50mA Channel Rate 1200 2400 4800 9600 19200Bit s Customized Serial Port Rate 1200 2400 4800 9600 19200Bit s Customized Interface USB Interface data format 8E1 8N1 8O1 Working Power DC 4 5 5 5V Working Temperature 20 75 ...

Page 7: ...leep mode not set Short Distance Environment very bad or the antenna is blocked The existence of the same frequency or magnetic or electrical interference or replacement of the channel away from sources of interference Power match or not Voltage and current is large enough Module cant communicate with PC Without power TTL to RS232 converter is damaged or without power supply Converters module pc w...

Reviews: