Ebyte E105-BS21 UART Wireless Transmission Nearlink SLE Module 2.4GHz SLE1.0 protocol BLE5.2 Bluetooth Star Flash module

E105-BS21 SparkLink Low Energy BLE Module SLE module BS21 chip solution BLE & SLE, BLE5.2 low power long distance wireless module [Chip solution]：BS21 [Communication interface]：UART [Communication distance]： 270m [Product size]： 25.5*18mm [Introduction]：E105-BS21 module is a serial port to SLE (SparkLink Low Energy) module based on the SparkLink protocol version 1.0 and a PCB antenna interface. It has the characteristics of small size, low power consumption, long transmission distance, fast transmission speed, strong anti-interference ability, and low latency. It works in the 2.4GHz frequency band and has a maximum RF transmission power of 6dBm. The SLE module uses universal AT commands and is easy and quick to operate. The module can be widely used in smart wearables, home automation, smart appliances, accessories and remote controls, smart control and other fields.Send Inquiry Purchase File DownloadsCompare Specification Parameters Pin Definition Order Way File Downloads Series Products Main parameters Performance description Remark minimum value Typical value maximum value Working voltage (V) 1.8 3.3 3.6 - Supply voltage (V) - - 3.9 - Communication level (V) - 3.3 - There is a risk of burning if using 5V level Working temperature (℃) -40 - 85 Industrial grade design Working frequency band (MHz) 2402 - 2480 Support ISM band Transmit power (dBm) -28 0 6 - Power consumption Emission current (mA) - 12.5 - Peak transient current@6dBm - 5.3 - Peak transient current@0dBm Receive current (mA) - 2.5 - - Sleep current(uA) - 6 - - Receiving sensitivity (dBm) - -90.6 - 4 Mbit/s frame type 1 Communication distance (m) - 270 - Clear and open environment, height 1 meter, @6dBm, airspeed 4Mbps Main parameters describe Remark IC solution BS21 - Crystal frequency 32MHz - Starlight Protocol SLE  1.0 - Communication interface UART - Packaging method SMD type - FLASH 512KB - RAM 160KB - Kernel RISC-V - Overall dimensions (IPEX) 19.2*18mm Corresponds to E105-BS21X module, tolerance range ±0.2mm Overall dimensions (PCB) 25.5*18mm Corresponds to E105-BS21 module, tolerance range ±0.2mm Antenna interface IPEX Equivalent impedance is about 50Ω, corresponding to E105-BS21X module Antenna interface PCB Equivalent impedance is about 50Ω, corresponding to E105-BS21 module