BB832-QI4A is a nRF52832 series Bluetooth 5.0 module, using ARM® Cortex™-M4 CPU, running speed of 64MHz, can meet the low-end application Bluetooth 5.0 demand.
The BB832-QI4A is a BLE 5.0 module based on the nRF52832 SoC, designed for IoT applications. It features an ARM Cortex-M4 CPU, 512KB flash, and 64KB RAM. The module is SMD-packaged for easy integration into automated production systems. It supports 2.4GHz operation with configurable TX power and low current consumption. The manual covers mechanical and antenna specs, pin descriptions, soldering guidelines, and FCC compliance notes.
The module is intended for use in fixed devices only, not portable ones like USB dongles. It includes warnings about ESD protection, grounding, and interference mitigation. Sales and service offices are listed in Shenzhen, Beijing, Shanghai, and Chengdu.
| CPU | ARM® Cortex™-M4 |
|---|---|
| Flash Memory | 512KB |
| RAM | 64KB |
| Operating Frequency | 2.4GHz-2.5GHz (2402MHz-2480MHz) |
| Working Temperature | -40℃~85℃ |
| Package Size | 13.5*19.4*3mm |
| TX Power | -20 to +4 dbm, 4db steps |
| Current (Chip reference) | TX: 5.3 mA peak current (0 dBm), RX: 5.4 mA peak current, 0.3uA (3V VDD) in System OFF mode |
It uses an ARM® Cortex™-M4 CPU running at 64 MHz.
It operates between -40℃ and 85℃.
The recommended voltage range is 1.8V to 3.6V.