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See Technical Specifications

BGM121A256V2 +BOM

Bluetooth Bluetooth v4.2 Transceiver Module 2.4GHz Integrated, Chip Surface Mount

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Tel: +852 95804164

Bluetooth Modules - 802.15.1 BGM121 Wireless Bluetooth Module, SiP, +8 dBm, 2.4 GHz, 256 kB flash, -40 to 85 C, Built-in Antenna

Low power wireless system-on-chip, 2.4GHz radio operation, 256KB flash memory and 32KB RAM
32bit ARM Cortex -M4 core at 38.4MHz, TX power up to 8dBm
RX sensitivity is -90dBm (high receiver performance) and range up to 200meter
Low energy consumption
1.85V to 3.8V single power supply, 2.4V to 3.8V when using DC-DC, integrated DC-DC converter
Autonomous hardware crypto accelerator and random number generator
30 GPIO pins, 8-Ch DMA controller, 12-ch peripheral reflex system, 2 x 16bit timer/counter
Support for internet security, general purpose CRC and random number generator
Wide operating temperature range from -40°C to +85°C
Dimension of 6.5mm x 6.5mm x 1.4mm

RF Communications, Wireless, Portable Devices, Industrial

Category	RF and WirelessRF Transceiver Modules and Modems	Series	Blue Gecko
Programmable	Not Verified	RF Family/Standard	Bluetooth
Protocol	Bluetooth v4.2	Modulation	GFSK
Frequency	2.4GHz	Data Rate	1Mbps
Power - Output	8dBm	Sensitivity	-90dBm
Serial Interfaces	I²C, I²S, SPI, UART	Antenna Type	Integrated, Chip
Utilized IC / Part	EFR32BG	Memory Size	256kB Flash, 32kB RAM
Voltage - Supply	1.85V ~ 3.8V	Current - Receiving	9mA
Current - Transmitting	8.2mA	Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C	Base Product Number	BGM121