Low-power wireless module

Featuers of Wireless data transmission module-QLM1120:

1. Power Transmission 500mw

2.Wireless data transmission to the non-commission-free 433MHz band applications420MHz?440MHz

Users can also set many other paragraphs as 150MHz230MHz315MHz475MHz868Mhz and 915MHz

3. High anti-interference ability and low error rate.

FSK-based modulation methods, the use of efficient FEC intertwined good channel coding techniques to improve the data against random interference and the ability to interfere with emergency. In the channel bit error rate of 10^-2, the actual bit error rate 10^-5~10^-6.

4. Long transmission distance.Line-of-sight in open cases, the antenna height to place the location of> 2 m, 9600bps and reliable transmission distance is greater than 1000m (BER=10^-3/9600bps) , 1200bps and reliable transmission distance is greater than 1500m(BER=10^-3/1200bps).

5. Transparent data transmission

To provide transparent data interface, can adapt to any standard or non-standard user agreement. Automatically generated by the air filter out false data (Received is issued)

6. 20M band programmable channels.

QLM1120 band in the same interval in accordance with the frequency 500KHz users can provide at least 40 channels to meet the user a wide range of communications portfolio.( Channel set up by the serial port software settings, the specific methods, see P5)

7. Provide three interface mode.

QLM1120 provided 3 elected 1 interface mode, TTL-level UART interface, or standard level of the RS-232 or standard RS-485 interface.

8. Independent research and development, production products. Professional QLM1120 single-chip module design, reduces the users cost.

9. All-metal case design.

QLM1120 structure design for all-metal shell, ultra-small sizeExcellent electromagnetic compatibility can be installed in a variety of instruments embedded in the interference will not occur.

10. Large data buffer.

Interface baud rate equal to the air effective baud rate: 120024004800960019200bpsInterface can be set to the highest rate of 19200bpsData formats for user-defined 8N1/8E1/8O1 can transfer an unlimited length of data frame, the user greater flexibility in programming.

11. Intelligent data control, the user need extra preparation procedures.

Even the half-duplex communications, users need extra preparation procedures, as long as the land from the interface / data can be made;

Others, such as air / R switching, control, operation, QLM1120 module auto-complete.

12. Developed with the wireless module-QLM1100 to achieve interoperability ,provided the user convenient network.

13. Multiple antenna configuration to meet user needs a different structure.

The main applications of wireless module

A short distance wireless data transmission;
Point-to-multipoint wireless networking, wireless field bus, automated data acquisition system;

Water, gas, heat, electricity and other residents of wireless automatic automatic meter reading.
Industrial remote control, telemetry;
Power Supply Bureau and the stations wireless meter reading;
Building automation, security, computer room equipment, wireless surveillance, access control systems;
POS system, PDA wireless smart terminal, medical equipment;

Yuntai monitoring, computer room power supply, fan equipment, wireless remote control alarm system;
Monitor distribution, reactive power compensation controller meter reading system;

Wireless from the target back at the target system;
Warehousing logistics, wireless laser guns, wireless bar code reader;
Wireless voting system
Wireless a la carte dining;
E-stop, intelligent traffic control system
Wireless electronic display, queue back to a single cabinet
Wireless crane said wireless electronic scales;
Non-parking, car parks;
Wireless vehicle detection and four-wheel-positioning system;

Monitoring wells and water systems;

Sports Training in real-time wireless monitoring system;
Logistics wireless inventory system

Wireless electronic clocking system

Low-power wireless module
1.Power Transmission 500mw
2.All-metal case design
3.Transparent data transmission

Model Number:QLM1120
Brand Name:clairvoyance
Place of Origin:Guangdong China (Mainland)

Country:China (Mainland)
telephone:86-0755-82926768

Delivery Time:	10 days
Package:	Carton
Minimum Order Quantity:	50 Piece/Pieces
Payment Terms:	T/T,Western Union
Port:	Shenzhen

Model Number:	QLM1120
Brand Name:	clairvoyance
Place of Origin:	Guangdong China (Mainland)

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