BR2551e-s
| Module 模组 |
BR2551e-s |
| Hardware architecture (硬件架构) |
32-bit RISC |
| Chip 主芯片 |
BR8051A01 |
| Size(mm) 大小 |
15*12*1.8 |
| Bluetooth specification 蓝牙规范 |
V5.0, Dual Mode |
| Temperature range(℃) 温度范围 |
-40 to +85 |
| Operating voltage(V) 工作电压 |
1.9~3.6 |
| Bluetooth class 蓝牙标准 |
Class 2 |
| Range,line of sight(m) 传输距离 |
Classic:50 BLE:50 |
| Antenna 天线 |
External |
| Transmit power(dBm) 发射功率 |
6 |
| Receiver sensitivity(dBm) 接收灵敏度 |
-92 |
| Consumption 功耗 |
4μA |
| 400μA | |
| – | |
| – | |
| 5.5mA | |
| – | |
| TX:21mA RX:16mA |
|
| Pins 引脚个数 |
30 |
| Host Interfaces 主机接口 |
UART |
| Peripheral Interfaces 外设接口 |
GPIO,I2C,ADC,USB,I2S |
| Shielding case 屏蔽罩，默认出货状态 |
No |
| Weight(g) 重量 |
0.46 |
| Profiles (蓝牙应用) |
SPP,GATT,Airsync,HID, iAP2 |
| Support mode 主从模式 |
Slave |
| Multi-Connection 多连接 |
3 gatt as periphearl + 7 spp as client or server |
| Maximum Throughput 传输速度 |
SPP:Rx 80KB/s GATT: 30KB/s |
| Firmware upgrade 固件升级 |
UART,OTA |
| Memory 存储 |
384K ROM 96K RAM |
| Number of compatible phones 兼容手机数量 |
SPP: 600+ GATT:600+ |
| Key Feature 关键特性 |
Dual Mode iBeacon Wechat Airsync RoHS Compliant Support standard USB and UART HCI transport layer |
| Certifications 认证 |
BQB |
