[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 | - | 3.6 | - | mA | - |
| Sleeping Current | - | 0.17 | - | uA | Software is off |
| Working frequency band | 2402 | 2440 | 2480 | MHz | Support ISM frequency band |
| Working temperature | -40 | - | +85 | ℃ | Industrial design |
| Max TRX Power | - | 6 | - | dBm | - |
| Receiving sensitivity | - | -106.7 | - | dBm | -106dbm sensitivity @125kbps GFSK;-98.9dbm sensitivity @1Mbit/s GFSK;-96.2dbm sensitivity @2Mbit/s GFSK; |
| Air Rate（GFSK） | 125k | - | 2M | bps | Programmable by User |
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