Silicon Labs BGM121N256V2 USB适配器 BGM121 无线蓝牙模块，SiP，+8 dBm，2.4 GHz，256 kB闪存，-40至85摄氏度，射频引脚

Core: ARM Cortex M4

Range: 200 m

Width: 6.5 mm

Height: 1.4 mm

Length: 6.5 mm

Features: Integrated DC-DC Converter, Onboard Bluetooth Stack

Protocol: BLE, Bluetooth 4.2

Data Rate: 1 Mb/s

Frequency: 2.44 GHz

Shielding: Shielded

Dimensions: 6.5 mm x 6.5 mm x 1.4 mm

Memory Size: 256 kB

Sensitivity: - 90 dBm

Output Power: 8 dBm

Interface Type: GPIO, I2C, SPI, UART, USART

Mounting Style: SMD/SMT

Frequency Range: 2.4 GHz to 2.4835 GHz

Moisture Sensitive: Yes

Modulation Technique: GFSK

Receiver Sensitivity: - 90 dBm

Supply Voltage - Max: 3.8 V

Supply Voltage - Min: 1.85 V

Antenna Connector Type: RF Pin

Operating Supply Voltage: 1.85 V to 3.8 V

Supply Current Receiving: 8.7 mA

Supply Current Transmitting: 8.2 mA

Maximum Operating Temperature: + 85 C

Minimum Operating Temperature: - 40 C

Protocol - Bluetooth, BLE - 802.15.1: Bluetooth, BLE