Overview
The Inventory Master Open Source BLE Gateway is a small Bluetooth gateway plug that integrates WIFI and Bluetooth Low Energy technology. Its communication protocol is based on MQTT 3.1.1, can access to multiple MQTT servers such as standard MQTT broker, Ali IOT and AWS cloud server. This gateway is suitable for type E and type F socket, and has a small and compact design. The plug works as a BLE scanner to gather Bluetooth broadcast data of BLE device nearby, and upload these data frames to MQTT server through 2.4Ghz WIFI. It is mainly used for position tracking and BLE sensors monitoring.
Features
- Mini size, lightweight
- Build in ESP32 module integrated WIFI and BT wireless technology
- The maximum scanning distance of bluetooth can reach 130 m
- Support OTA firmware upgrade
- Support multiple server platforms such as EMQTT, AWS, ALI,also provide configuration protocol for customers to access their own
- server platform
- Provide IOS and android SDK for customers to develop their own APP
- Schematic diagrams are available for customers to develop firmware
Technical Specifications
| Hardware | MCU |
| Frequency | 2.4 GHz to 2.5 Ghz（2400 MHz to 2483.5 MHz） |
| Protocol | 802.11 b or g or n |
| Coverage | 100 m (328.084 ft) in open space |
| Bluetooth Standard | Bluetooth 4.2 |
| Max Scanning Range | 130 m (426.51 ft ) in open space |
| Scanning Rate | 150 times per s |
| Max Scanning Capacity | 100 BLE devices max |
| Receiving Sensitivity | -97 dB |
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