[Frequency]:2402~2480MHz
[Modulation]:GFSK
[Distance]:120m
[Size]:13*19mm
[IC]:EFR32BG22C224F512GM32
[Feature]:Low power,BT5.2
[Introduction]:E104-BT53A3 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.
| Parameters | Value |
Specification |
| 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 |
EFR32BG22C224F512GM32 |
- |
| FLASH |
512KB |
- |
| RAM |
32KB |
- |
| Kernel |
ARM®Cortex®-M33 |
- |
| Dimensions |
13*19mm |
- |
| RF interface |
PCB |
Equivalent impedance is about 50Ω |
| Parameters | Min. | Typ. | Max. | Unit | Specification |
| 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 |

