在工业物联网应用中,有部分远距离数据透传工程师希望通过蓝牙透传模块来实现,也就延生了远距离的蓝牙模块需求。SKYLAB目前有三款支持远距离数据透传的工业级蓝牙模块SKB378,SKB381,SKB501,主要用于透传和控制,广泛应用于智能家居,智能医疗……奉上这三款远距离透传蓝牙模块参数对比表,希望能帮助到各位工程师模块选型。
模块型号/Model | SKB378 | SKB381 | SKB501 |
天线类型/Antenna Type | PCB Antenna/ External Antenna(UF.L IPEX-1) | PCB Antenna/ External Antenna | PCB Antenna/ External Antenna |
电压/Voltage | 1.71V~3.8V | 1.71V~3.8V | 1.7V~3.6V |
尺寸/Dimension(L×W×H) | 17.4×13.7×1.9 mm | 20.0×12.0×2.0 mm | 17.4×13.7×1.9 mm |
无线特性/Wireless Features | |||
无线标准/Wireless Standards | Bluetooth ® 5.2 | Bluetooth ® 5.0 | Bluetooth ® 5.0 |
频率范围/Frequency Range | 2.4G-2.4835GHz | 2.4G-2.4835GHz | 2.4G-2.4835GHz |
数据速率/Data Rates | 125kbps,500kbps,1Mbps,2Mbps(Bluetooth ® 5.2) | 125kbps,500kbps,1Mbps,2Mbps | Uncoded:1Mbps/2Mbps,Coded:125kbps(S=8)/500kbps(S=2) |
无线安全/Wireless Security | AES HW Encryption | AES HW Encryption | AES HW Encryption |
传输功率/Transmit Power | -27 to +6dBm(SKB378) -28 to 0dBm(SKB378A) | Tx Power +0dBm to +20dBm | Tx Power -20 to +8dBm in 4dB Steps |
调制/Modulation | 2(G)FSK with fully configurable shaping OQPSK DSSS (G)MSK | GFSK | GFSK Modulation |
接收灵敏度/Receive Sensitivity | -98.9dBm sensitivity @ 1Mbit/s GFSK -96.2dBm sensitivity @ 2Mbit/s GFSK -106.7dBm sensitivity @ 125kbps GFSK | -97.5dBm sensitivity @ 1Mbit/s GFSK1 | -96dBm sensitivity @ 1Mbit/s GFSK1 |
工作模式/Work Mode | Central/ Peripheral (Master/ Slave device in BLE connection) | Central/ Peripheral (Master/ Slave device in BLE connection) | Central/Peripheral |
功耗参数/Power Consumption | |||
默认发射功耗/Default TX | 4.1mA @ 0dBm | 20dBm | 7.5mA@4dBm |
默认接收功率/Default RX | 3.6mA (1Mbps GFSK) | 8.8mA (1Mbit/s, 2GFSK, f = 2.4 GHz) | 5.4mA |
空闲模式/Idle mode | 1.75uA(EM2 DeepSleep current [32kB RAM retention and | 5.0uA(EM2 Deep Sleep current [96kB RAM retention and RTC running from LFXO]) | 0.4uA |
发射功耗/Transmit power consumption | RTC running from Precision LFRCO]) | 60.8mA(f=2.4 GHz, CW, 20dBm PA, 10dBm output power, PAVDD = 3.0 V) | 7.5mA |
综上表所述,远距离透传蓝牙模块SKB378/SKB381/SKB501基于芯片方案的不同,有区别的参数主要体现在:蓝牙标准、发射功率、接收灵敏度、功耗值等方面,工程师们在做选型的时候可以关注这部分参数。
上表中提到的远距离透传蓝牙模块SKB378/SKB381/SKB501均在SKYLAB阿里店铺有上线,可直接阿里店铺购买样品,对蓝牙模块选型有疑义的可以直接戳网站右侧客服QQ或企业微信获取选型建议。模块均有配套Demo板可供测试,根据模块的封装选择Demo板即可。
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