RN4678APL-V/RM100

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RF transceiver modules are integrated transceivers that contain an RF receiver and transmitter, often along with additional circuits on the same board. RN4678APL-V/RM100 is a compact, low power, and highly integrated RF transceiver module suitable for use in various wireless applications. It supports 2.4 GHz IEEE 802.15.4, Bluetooth Low Energy (LE), and proprietary 2.4 GHz operation and is ideal for applications requiring short-range bi-directional communication. It is Bluetooth Qualified, EPC Gen2 compliant, and has a low power consumption.

The RN4678 is a 16-pin module that has an integrated crystal and passive components, which increase its cost-effectiveness by reducing the design area needed on the board. It has an Rx sensitivity of -92 dBm and a high output power that ranges from -20 dBm to +4 dBm. The integrated DC-DC converter supplies regulated 3.3V power, and the module is compliant with FCC, CE, and IC regulations.

The RN4678APL-V/RM100 IC plays a major role in the operation of the module. It is a low-power, mixed-signal peripheral IC, which is used as a host processor for system control and a radio frequency (RF) transceiver for RF data transmission and reception. It supports up to 255-byte frames, including a maximum payload of 20 bytes. Data rate is configurable up to 250 kbps, and the modulation scheme is a differential BFSK-based binary modulation.

The module is also equipped with on-board programmable LEDs (PROG LED) and buttons. These components provide the user with immediate visual feedback and input control within the application. A built-in wake-up timer allows the module to enter sleep mode and wakes up as programmed by the user. Furthermore, a sin-wave-locked oscillator (SWLO) supports frequency drift compensation to provide a long-term frequency stability.

The RN4678APL-V/RM100 module is designed to operate in both 2.4 GHz and 375 MHz bands, enabling one device to communicate with multiple platforms. The module features advanced radio techniques such as adaptive frequency hopping, packet collision avoidance, as well as an automatic link layer ACK with configurable retry times. Furthermore, the module supports AES-128 encryption, providing enhanced data security.

All the features combined makes the RN4678APL-V/RM100 an ideal solution for a wide variety of applications that require low-cost and low-power RF transceivers. Examples of such applications are industrial automation, consumer electronics, medical devices, and home appliance products.

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