ETRX357HR-LRS-C31

ETRX357HR-LRS-C31 is a low-power, long-range, dual-band RF transceiver module that operates in the 2.4GHz and 868 / 915 MHz frequency bands. It is ideal for a range of IoT and industrial applications including home automation, smart metering, remote asset monitoring, industrial automation, and medical diagnostics.

This particular RF transceiver module features a 15 dBm transmit power, 10dBm receive sensitivity, and supports data rates up to 115Kbps. It is FCC, ETSI & IC certified, RoHS compliant, and comes with an embedded 10-bit position report for asset tracking applications.

The device also features a highly integrated WLAN-like hardware architecture, integrated antenna port tuning, extended operating temperature range, and low power operation to optimize power consumption. It has a frame size of 30 bytes and supports up to 16, 32 or 64 byte FIFO buffers. It offers 4-pin and 6-pin UARTs, and supports UART (9, 6, 3) bus and RS232 full-duplex serial interface.

The ETRX357HR-LRS-C31 module provides a flexible, compact and cost-efficient solution for a wide variety of applications requiring a low-power, reliable RF device. The module can be used for wireless communication in industrial, medical, and consumer applications, and in instrumentation and sensing.

The ETRX357HR-LRS-C31 module works on the principle of frequency hopping spread spectrum (FHSS) technique. FHSS utilizes hopping signals between predetermined frequency channels. With the help of a carefully designed sequence of hops, it is possible to minimize unwanted signal interference and increase the overall communication reliability and range. The device has the ability to switch channels in bursts of 20-25 microseconds, hopping from one channel to the next. This hopping allows the system to minimize interference and maximize signal integrity.

The module functions by receiving data from other devices in its vicinity via the 2.4GHz receiver and sending data to other devices in its vicinity via the 868/915MHz transmitter. This data is enciphered and sent using the FHSS technique. Data can be sent over a wide variety of distances depending on the power output, the antenna used and the number of channels available. With its embedded position report feature, the device is also able to send its exact position over the air for monitoring applications.

In summary, the ETRX357HR-LRS-C31 is an ideal low-power, long-range, dual-band RF transceiver module for a variety of IoT and industrial applications such as home automation, smart metering, remote asset monitoring, industrial automation, and medical diagnostics. It operates on FHSS technique and allows for flexible, compact, and cost-efficient communication and data transfer over a wide variety of distances.