SX1240SKA868

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Introduction to SX1240SKA868

SX1240SKA868 is an evaluation and development kit that combines a SX1240 transceiver and its supporting AT86RF233 transceiver into one device. The combination of these two transceivers allows for the implementation of a variety of wireless applications, including many low-power, low-cost applications. The kit provides a convenient way to test the performance of the transceivers and their respective supporting circuitry.

Application Field

SX1240SKA868 can be used to develop a wide variety of RF applications, including digital connected home applications, wireless sensor networks, IEEE 802.15.4 Mesh networks, industrial remote data acquisition, point-to-point or star-based RF systems, wireless machine-to-machine communication, and more. The SX1240SKA868 can be used for applications requiring high data rates, seamless mobility, efficient low-power mode, and a low system cost.

Working Principle

The SX1240SKA868 makes use of a frequency-hopping spread spectrum (FHSS) technique to achieve reliable data transmission over the air. FHSS allows the radios to jump between different channels randomly, thus avoiding interference from other devices operating on the same frequency. The SX1240 transceiver offers high sensitivity down to -122dBm in receive mode, and a maximum output power of +13dBm in transmit mode. The SX1240SKA868 also has good operating range and can support data rates up to 600Kbps.

The AT86RF233 transceiver offers similar performance as the SX1240, with a low power consumption of just 5mA in receive mode and 15mA in transmit mode. The AT86RF233 transceiver supports data rates up to 250Kbps and has a maximum output power of +13dBm. The AT86RF233 allows for the integration of other wireless protocols, such as Bluetooth, Wi-Fi, ZigBee, and more, with the SX1240 transceiver.

In order to use the SX1240SKA868, users need to connect the AT86RF233 transceiver to the SX1240 transceiver through a 24-pin serial interface. The SX1240SKA868 also supports external interface for digital peripherals, including I2C, UART, GPIOs, and more. The SX1240SKA868 also supports external antennas for extended range, and is operable in the 868MHz frequency band.

Conclusion

The SX1240SKA868 is an evaluation and development kit that offers a cost effective solution for quickly and easily implementing applications based on the SX1240 and AT86RF233 transceivers. With its high data throughput and low power requirements, the SX1240SKA868 is a cost-effective solution for building wireless applications requiring long-range, low-power RF communications.

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