Users Manual

BDE Technology Inc. BDE-BLEM203D
BDE Technology Co., Ltd.
Bluetooth Low Energy Module (BT5.0)
Key Features
 Bluetooth 5.0 single-mode compliant
 Support master and slave modes, 8 simultaneous connections in master mode
 Integrated Bluetooth Low Energy stack, no external MCU needed
 RF performance
 TX power: -21dBm to 5dBm
 RX sensitivity: up to -96dBm
 Communication range: 250 meters (LOS) – Long Range Mode
 Ultra low power ARM Cortex-M3 microcontroller core
 Antenna: PCB
 Size: 20.5 mm x 13 mm x 1.5mm (Without Shielding)
20.5 mm x 13 mm x 2.1 mm (With Shielding)
 Ultra low power consumption:
 Shutdown: 150nA (Wake up on external events)
 Standby: 1.1uA (RTC running and RAM/CPU retention)
 BQB (QDID: 151462), FCC (FCC ID: 2ABRU-BLEM203D), CE, RoHS compliant
Descriptions
BDE-BLEM203D is a Bluetooth 5.0 single-mode compliant Bluetooth low energy module targeted at
low power sensors and PC/Phone accessories.
BDE-BLEM203D highly integrates Bluetooth Low Energy radio, stack, profile and applications in a SoC,
without the need of using an external MCU. The module also offers flexible hardware interfaces for the
sensor application.
It enables ultra-low power connectivity and data transfer for the applications that are sensitive to
power consumption, size and cost.