The Ebyte E104-BT56 series features ultra-compact 2.4GHz BLE 5.3 UART-to-Bluetooth modules offering up to 200m transmission range. Supporting Master, Slave, Master-Slave, and Observer modes with up to 8 concurrent connections, these modules enable seamless data transparent transmission and OTA updates for industrial IoT, smart home, and wearable applications.
| Specification | E104-BT56SX | E104-BT56SP | EWT104-BT56SP (Test Kit) |
|---|---|---|---|
| Operating Frequency | 2.4 GHz | 2.4 GHz | 2.4 GHz (via module) |
| Communication Protocol | BLE 5.3 | BLE 5.3 | BLE 5.3 (via module) |
| Communication Distance | 200m | 150m | 150m (Based on SP module) |
| Antenna Type | IPEX3 Generation | On-board PCB | On-board PCB (via module) |
| Hardware Interface | UART (Serial) | UART (Serial) | UART breakout pins |
| Dimensions | 10 x 10 mm | 10 x 14.5 mm | 59.6 x 30 mm |
| Weight | Approx. 0.4g | Approx. 0.5g | N/A |
| Key Features | Master/Slave/Observer roles, up to 8 connections, low-power broadcast, transparent transmission, OTA updates | ||
Practical Application Scenarios
1. Multi-Node Industrial Data Acquisition Systems
In modern manufacturing floors where wiring is restrictive, engineers utilize the E104-BT56SX module as a central hub (Master mode) to connect with up to 8 independent slave sensor nodes simultaneously. Leveraging the robust BLE 5.3 protocol and transparent data transmission over UART, temperature and vibration data from multiple rotating machines are continuously fed back to the main industrial PC with extremely low latency, eliminating the need for complex localized cabling.
2. Smart Wearables and Portable Medical Devices
Space constraint is the primary challenge for smartwatches and portable health monitors. The E104-BT56SX offers an ultra-compact 10x10mm footprint and weighs merely 0.4g. This allows OEM manufacturers to embed high-performance BLE 5.3 wireless capabilities into tiny PCB layouts. Furthermore, the built-in OTA (Over-the-Air) configuration function allows manufacturers to silently update device firmware or optimize power consumption profiles long after the product is in the hands of the consumer.
3. Rapid Prototyping for Home Automation
When R&D teams are developing next-generation smart home lighting or HVAC controllers, they deploy the EWT104-BT56SP low-power Bluetooth test kit. Instead of spending weeks designing custom breakout boards for the E104-BT56SP, engineers can instantly interface this ready-to-use kit with their existing microcontrollers or PC terminals via UART. This dramatically reduces the hardware development cycle, allowing teams to focus exclusively on testing the BLE 5.3 mesh topologies and low-power broadcasting features.
FAQ Section
1. What is the main difference between the E104-BT56SX and E104-BT56SP modules?
The primary difference lies in the antenna design, communication range, and physical dimensions. The E104-BT56SX utilizes an IPEX3 generation antenna connector, allowing it to achieve a longer communication distance of 200m within a highly compact 10x10mm footprint. Conversely, the E104-BT56SP features an on-board PCB antenna, providing a slightly shorter range of 150m with a dimension of 10x14.5mm, making it ideal for applications where an external antenna is not feasible.
2. Can these BLE 5.3 modules support multiple connections at the same time?
Yes, the E104-BT56 series modules natively support advanced connection topologies. They can operate in Master, Slave, Master-Slave concurrent, and Observer modes. When configured as a Master, a single module can establish and maintain up to 8 independent connections simultaneously, which is perfect for localized star-network data aggregation and multi-sensor industrial monitoring.
3. Do these modules support firmware updates after deployment in the field?
Absolutely. Both the E104-BT56SX and E104-BT56SP support Over-the-Air (OTA) configuration and upgrades. This enables system integrators and IoT engineers to wirelessly push firmware patches, protocol updates, or parameter adjustments to the modules deployed in the field without needing direct physical UART access, significantly lowering long-term maintenance costs.
