{"product_id":"ebyte-e104-bt56-series-ble-5-3-uart-bluetooth-module-200m","title":"Ebyte E104-BT56 Series BLE 5.3 UART Bluetooth Module 200m","description":"\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; margin: 20px 0; border: 1px solid #e5e7eb; border-radius: 8px;\"\u003e\n\u003ctable style=\"width: 100%; min-width: 800px; border-collapse: collapse; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; font-size: 14px; text-align: left; line-height: 1.5;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 2px solid #cbd5e1;\"\u003e\n\u003cth style=\"padding: 16px; font-weight: 600; color: #1e293b;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 16px; font-weight: 600; color: #1e293b;\"\u003eE104-BT56SX\u003c\/th\u003e\n\u003cth style=\"padding: 16px; font-weight: 600; color: #1e293b;\"\u003eE104-BT56SP\u003c\/th\u003e\n\u003cth style=\"padding: 16px; font-weight: 600; color: #1e293b;\"\u003eEWT104-BT56SP (Test Kit)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 500; color: #334155;\"\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003e2.4 GHz\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003e2.4 GHz\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003e2.4 GHz (via module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 500; color: #334155;\"\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eBLE 5.3\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eBLE 5.3\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eBLE 5.3 (via module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 500; color: #334155;\"\u003eCommunication Distance\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003e200m\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003e150m\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003e150m (Based on SP module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 500; color: #334155;\"\u003eAntenna Type\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eIPEX3 Generation\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eOn-board PCB\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eOn-board PCB (via module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 500; color: #334155;\"\u003eHardware Interface\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eUART (Serial)\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eUART (Serial)\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eUART breakout pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 500; color: #334155;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003e10 x 10 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003e10 x 14.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003e59.6 x 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 500; color: #334155;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eApprox. 0.4g\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eApprox. 0.5g\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 500; color: #334155;\"\u003eKey Features\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #475569;\" colspan=\"3\"\u003eMaster\/Slave\/Observer roles, up to 8 connections, low-power broadcast, transparent transmission, OTA updates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/E104-BT52_4c57e22e-ae05-4485-b1af-5af1846a4ef4.jpg?v=1784533879\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/E104-BT5005A.jpg?v=1784533907\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/E104-BT5010A.jpg?v=1784533923\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/01_a3d8f8fd-c7ad-4e4a-9dc0-3673e77270e1.jpg?v=1784533943\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/02_5fb6fecb-6ff5-4c87-b393-5987e325aea9.jpg?v=1784534045\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/03_78d72280-5c5f-4486-8cc6-56a632e0aee6.jpg?v=1784534058\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/04_99088f86-e865-4c5d-803d-353a325d4bea.jpg?v=1784534082\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/05_c8d65933-4962-4c0c-9c78-c33fdb78000c.jpg?v=1784534121\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/06_fe135940-68db-43f8-bddd-c2ad4e852805.jpg?v=1784534136\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/07_31e46f55-99d1-497f-bba3-536cabf0e0be.jpg?v=1784534153\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/08_3ceb4e8d-69d2-4800-a042-e34655604ce3.jpg?v=1784534178\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/09_0450517c-2032-4b6d-96c7-169a4f8a6c67.jpg?v=1784534192\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/10_5d2c25c2-7966-42f1-90e2-81080a99a900.jpg?v=1784534210\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/11_ad65ff1c-b67e-40b5-b456-7b80db7bf87d.jpg?v=1784534224\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/12_97fb102e-5b0d-4d0d-87e3-da801a57ffe1.jpg?v=1784534249\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/13_be9c460e-74c1-49a4-9443-624fe4447ffc.jpg?v=1784534300\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/14_e838f734-4f33-4814-9a26-49556a08039e.jpg?v=1784534319\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-path-to-node=\"9\"\u003ePractical Application Scenarios\u003c\/h2\u003e\n\u003ch3 data-path-to-node=\"10\"\u003e1. Multi-Node Industrial Data Acquisition Systems\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eIn 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.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e2. Smart Wearables and Portable Medical Devices\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eSpace 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.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"14\"\u003e3. Rapid Prototyping for Home Automation\u003c\/h3\u003e\n\u003cp data-path-to-node=\"15\"\u003eWhen R\u0026amp;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.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"17\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-path-to-node=\"17\"\u003eFAQ Section\u003c\/h2\u003e\n\u003ch3 data-path-to-node=\"18\"\u003e1. What is the main difference between the E104-BT56SX and E104-BT56SP modules?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"19\"\u003eThe 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.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"20\"\u003e2. Can these BLE 5.3 modules support multiple connections at the same time?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"21\"\u003eYes, 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.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"22\"\u003e3. Do these modules support firmware updates after deployment in the field?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003eAbsolutely. 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.\u003c\/p\u003e","brand":"Ebyte Official Store - IoT Module Manufacturer","offers":[{"title":"E104-BT56SX","offer_id":48602404749517,"sku":"E104-BT56SX","price":2.07,"currency_code":"USD","in_stock":true},{"title":"E104-BT56SX+TX2400-FPC3-5015","offer_id":48602404782285,"sku":"E104-BT56SX+TX2400-FPC3-5015","price":2.48,"currency_code":"USD","in_stock":true},{"title":"E104-BT56SP","offer_id":48602404815053,"sku":"E104-BT56SP","price":2.07,"currency_code":"USD","in_stock":true},{"title":"EWT104-BT56SP+E15-USB-T3","offer_id":48602404847821,"sku":"EWT104-BT56SP+E15-USB-T3","price":7.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/5911\/1885\/files\/01_2ec80f90-3290-4927-96c4-c2ed1456731e.jpg?v=1784533286","url":"https:\/\/ebyteiot.com\/de\/products\/ebyte-e104-bt56-series-ble-5-3-uart-bluetooth-module-200m","provider":"Ebyte Official Store - IoT Module Manufacturer","version":"1.0","type":"link"}