Bluetooth wireless module HY0021

compactlow-power autonomousPCB

Features

• Ultra-small module with slot antenna integrated in a shielded package
• Minimal PCB footprint—one of the smallest board-level occupied areas
• Flexible PCB layout support for simplified integration
• Multiple regional certifications obtained

Product profile

• Bluetooth version: v5.4 LE 2M PHY
• Built-in Bluetooth IC: Nordic nRF52805
• CPU: Arm® Cortex®-M4
• Memory: 192 KB Flash / 24 KB RAM
• Integrated clocks: 32 MHz and 32.768 kHz

Applications

• Wearables
• Health care devices
• Remote controls
• IoT sensors and nodes
• Beacons
• Computer peripherals

Evaluation boards
Evaluation boards for development and performance verification are available under model name HY0023; they support characteristic checks and software development.

Documents
Product brief, datasheet, application notes and EVB manual are available for HY0021.

Specifications

• Bluetooth version: v5.4
• Bluetooth IC: Nordic nRF52805
• CPU: Arm Cortex-M4
• Memory: 192 KB Flash / 24 KB RAM
• TX output power: +4 to -20 dBm (4 dB steps)
• Receiver sensitivity: -94 dBm (1 Mbps)
• TX current: 7.0 mA (DC/DC, +4 dBm)
• RX current: 4.6 mA (DC/DC, 1 Mbps)
• GPIOs: 8 (SPI, I2C, UART, QDEC, ADC)
• ADC: 12-bit, 200 ksps (2 channels)
• High-speed clock: 32 MHz (built-in)
• Low-speed clock: 32.768 kHz (built-in)
• Operating temperature: -40 to +85 °C
• Operating voltage: 1.7 to 3.6 V
• Dimensions: 3.5 × 10 × 1 mm
• Package: 24-pin LGA
• Certifications: Japan (MIC); U.S.A. (FCC); Canada (ISED); ETSI EN 300 328 V2.2.2; Bluetooth SIG