RFM73-S

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RFM73-S is a fast and high-performance 2.4GHz RF Transceiver Module, designed for short-range wireless applications.It is well suitable for most applications such as low latency data transmission between nodes and low power, long range wireless communication systems. It is compliant with IEEE 802.15.4 standard, and supports wireless communication over a range of up to 2 km using the open source 2.4GHz radio protocol.

The RFM73-S offers a wide range of features, such as high output power and low current consumption, which makes it suitable for compact and low power applications. It provides low latency time-slot communication for distributed systems, with up to 16 pre-defined time-slots available for transmission. Its downlink mode capability supports remote control of nodes, which makes it ideal for remote sensor networks. It has a high level of RF immunity and features sophisticated interference avoidance techniques, allowing it to detect interference and adjust its transmission parameters to cope with RF noise, thus ensuring a reliable wireless link. It also includes a wide range of communication channels, with up to 16 channels available.

The RFM73-S can be configured for simple point-to-point or point-to-multipoint wireless communication. It uses a combination of direct sequence spread spectrum (DSSS) and frequency hopping spread spectrum (FHSS) techniques to provide robust signal transmission and reception.The RFM73-S provides up to 19.2kbps data rate (20kHz channelization) when operating in the standard frequency hopping mode and up to 10kbps data rate when operating in the smooth frequency hopping mode. It also supports short hopping intervals, allowing the node to rapidly switch between communication channels. The RFM73-S supports 16 frequency channels, with a frequency range of 2400MHz - 2483MHz .

The RFM73-S module is usually powered from a 3.3V round lithium primary battery. The module consumes very low power in standby mode, allowing it to extend the life of the battery. It offers low power consumption and very low current spikes while transmitting, making it ideal for applications where low power consumption is critical. The module is highly configurable and can be adjusted to suit various applications and environments.

The RFM73-S supports various communication protocols, including broadcast, carrier sense multiple access (CSMA/CA), direct channel access (DCA) and packet communication. It supports various communication techniques, such as automatic repeat request (ARQ), cyclic redundancy check (CRC), forward error correction (FEC) and other error detection and correction mechanisms. It is also capable of operating in a low power mode, with its clock stopped, to reduce power consumption.

The RFM73-S module is provided with a well-documented Application Programming Interface (API) that simplifies integration of the module into the end applications. The API provides robust communication support along with a wide range of features, allowing the user to quickly and easily configure and control the module. It also provides technical support and maintenance throughout the integration process. The API can be used to develop custom applications that enable further integration between different systems and provide solutions that meet the specific requirements of the application.

In conclusion, the RFM73-S is a highly versatile solution for short-range wireless communication. Its wide range of features, including high output power, low current consumption, low latency time-slot communication, and low power modes, make it suitable for many different applications and a suitable solution for low power, long range wireless communication systems.

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