BCM43436
1 deviceRelated:1.54" E-Paper Display128MB SLC NAND Flash Memory128Mbit Serial NOR Flash16-Channel I2C GPIO Expander1N41482.41" AMOLED Display2.9" B/W E-Paper Display (128x296)3.3V 2A DC-DC Buck Converter3.3V 800mA LDO Regulator3W Mono Class-D Audio Amplifier4G LTE Cat-4 Global Cellular Modem5-Way Navigation Button

Raspberry Pi Zero 2 W
sbc
Credit-card-tiny Linux SBC with a quad-core Cortex-A53 at 1 GHz, 512 MB RAM, 2.4 GHz WiFi, Bluetooth 4.2, a 40-pin GPIO header footprint, mini HDMI, and a CSI camera connector.
Broadcom BCM2710A1 quad-core 64-bit ARM Cortex-A53 @ 1 GHz512 MB LPDDR2 SDRAMnoneWiFi 802.11 b/g/nBLE BLE 4.2
~$15View
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