Hexin Technology HXJZ-874 800m-1200m Low Power USB to RF Wireless Module - Manual (Page 3)

HXJZ-874 Mini Power Wireless Module User’s Manual
8. High speed wireless communication and Large data buffer
When the speed rate in the air is quicker than interface ’s, allowing to transmit unlimited length data at one
time, when the speed rate is slower or equal the interface ’s, allowing the transmission of 255 Bytes long data
frames at one time for more flexible programming by users.
9. Intelligent data control and the user doesn’t need to prepare excessive programs
Even for semi duplex communication, the user doesn’t need to prepare excessive programs, only
receiving/transmitting the data from the interface. HXJZ-874 will automatically complete the other operations,
such as transmission/receiving conversion in the air, control, etc.
10. High reliability, small and light
Single chip radio- frequency integrated circuit and single chip MCU are used for lessened
peripheral circuits, high reliability, and low failure rate.
11. Watchdog monitor
Watchdog monitors the inner function, so that change the traditional product structure and improve the
product reliability.
12. Antenna choose
Users can choose various antenna s etting project and antenna according to user ’s different need to achieve a
optimal effect.
Application of HXJZ-874
1、HXJZ-874 User interface
HXJZ-874 provide USB interface.
User must install the USB driver before using HXJZ-874. After installing the driver , PC can build one
virtual serial port , User ’s soft can operate the serial port(for example COM4).
View the serial port: Desktop —Click ‘My computer’ on right button —Attribute---Hardware---device
manager---COM and LPT, you can see the increased COM port in the branch, such as COM7 in the bellow
picture.
Notice:
1. you must install the USB driver before you use it , then plug HXJZ-874 into the PC’s USB port, here the
virtual serial port can display in Device Manager.
2. After using , Please Close th e program in advance, then draw out HXJZ-874.