User's Manual

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1. Introduction
EH-ES201 is a low-power Bluetooth® 5 module based on Nordic nRF52 series platform. With
ultra-small size and powerful features. Powered by a highly efficient 64MHz 32-bit ARM®
Cortex ™ M4 CPU and 192 KB Flash + 24 KB RAM.
EH-ES201 comes with a high-performance built-in antenna, which can connect up to 60m
in an open environment. No external antenna is needed, and the ultra-small size of 7.0 *
7.0 * 1.4mm can reduce the PCB area requirements of customers' products and help
customers realize ultra-small products.
After purchasing EH-ES201, we will provide free technical support for the APP of the IOS
system or the APP of the Android system.
EH-ES201 Datasheet