Silicon Laboratories’ Si4455 is a low-current, sub-GHz EZRadio transceiver. Covering all major bands, it combines plug-and-play simplicity with the flexibility needed to handle a wide variety of applications. Its compact 3 x 3 mm package size, combined with a low external BOM count, makes it both space efficient and cost effective.
The +13 dBm output power and sensitivity of –116 dBm allow for a longer operating range, while the low current consumption of 18 mA TX (at 10 dBm), 10 mA RX and 50 nA standby, provides for extended battery life. By fully integrating all components from the antenna to the GPIO or SPI interface to the MCU, the Si4455 makes realising this performance in an application easy.
Design simplicity is further exemplified in the Wireless Development Suite (WDS) user interface module. This configuration module provides simplified programming options for a broad range of applications in an easy-to-use format. Like all Silicon Laboratories’ EZRadio devices, the Si4455 is fully compliant with most worldwide regulatory standards such as FCC, ETSI and ARIB.
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