E104-BT53A1 Ebyte SMD bluetooth BT5.2 module Silicon Labs' original IC EFR32BG22 bluetooth 2.4g GFSK wireless module

[Introduction]：E104-BT53A1 is a small-sized SMD Bluetooth BT5.2 module based on Silicon Labs' original IC EFR32BG22; it uses 38.4MHz industrial-grade high-precision low-temperature drift crystal oscillator to ensure its industrial-grade function and stable performance. [IC]：EFR32 [Frequency]：2402~2480MHz [Modulation]：GFSK [Range]：120m [Size]：13*19mm [Feature]：Low power,BT5.2 Parameter Value Remark Reference distance 120m Clear and open, antenna gain 5dBi, antenna height 2.5m,air rate 1kbps Crystal frequency 38.4MHz - supporting agreement BLE 5.2 -   Packaging method SMD -   IC full name EFR32 -   FLASH 512KB -   RAM 32KB -   Kernel ARM®Cortex®-M33 -   Dimensions 13*19mm -   RF interface PCB Equivalent impedance is about 50Ω Electronic parameter Min Typ Max Unit Remarks Working voltage 1.9 3.3 3.6 V ≥3.3V can guarantee the output power Communication level - 3.3 - V Using 5V level has the risk of burning TRX - 7.5 - mA @Transmit power 6dBm RX -