The ISMART43903C-EVB is an embedded 2.4 GHz Wi-Fi 802.11 /b/g/n, evaluation board that is populated with the  ISM43903-R48-L54-E/U is an embedded 2.4 GHz Wi-Fi module.

The Wi-Fi module hardware consists of a Cypress 43903 SOC with ARM Cortex-R4 clocked at 160 MHz (in 1× mode) or up to 320 MHz (in 2× mode), an integrated antenna or optional external antenna, 1 MB of SRAM and 640 KB ROM available for the applications processor, SPI or UART interface capability.
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