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The RCQ3-868-DK is a high performance wireless modem providing a reliable low cost serial data communication link that can be used for many data communication applications.The pourpose of this evaluation kits is to verify all the features and technical characteristics about the Radio Modem RCQ3-868-RM.
The pourpose of this evaluation kits is to verify all the features and technical characteristics about the Radio Modem RCQ3-868-RM.
The modem operates in the band from 865MHz to 870MHz. The RF modem is very simple to use and provides a wireless RS232 link with a RF data rate of up to 100 kbps.
This type of module can work also at 866MHz (indian frequency).
The transceivers have the functions of a complete radio modem and simply require CMOS/TTL data at the transmit input and the corresponding transceiver(s) output the same data. Preamble and CRC are automatically generated and added to the RF transmission.The RCQ3-868-RM can use any channel in 100 (200) KHz step.Possible applications include one-to-one and multi-node wireless links in applications including security, EPOS, wireless sensor network, industrial process monitoring and computer networking.
It’s possible to set the frequency from 865MHz to 870MHz.
It's possible to set the RF Power from 0dBm to 14dBm.
The RCQ3-868-RM Radio Modem has applications in many areas where reliable half duplex communications are required over ranges up to 200 meters (with the maximum RF Power is possible to reach up to 400-500meters).The crystal controlled narrow band design, in the embedded RCQ3-868-RM device, gives reliable performance within the 868 MHz band.The addressing protocol employed enables many different configurations such including:
Since each RCQ3-868-RM can contain a unique address, multiple RCQ3-868-RM network can co-exist in the same area.
The Radio Modem RCQ3-868-RM is based on the CC1310 device from Texas Instrument. This device can be work also in Long Range Mode (LRM) that is a particulary encoding techniquethat trades data rate for sensitivity gains. These gains are achieved by digital coding. For more information you can consult this document : http://www.ti.com/lit/an/swra642/swra642.pdf
When aiming at lower sensitivity values, you have the option of reducing the symbol rates transmitted over the air. Reducing the symbol rate normally implies a lower signal bandwidth.
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