E73-2G4M04S1B Low Energy 2.4GHz BLE5.0 NRF52832 Module Low Voltage Transmitter Module
[IC]：nRF52832
[Frequency]：2.379~2.496GHz
[Protocol]：BLE 4.2/5.0
[Distance]： 0.1km
[Interface]：SoC
[Weight]：1.8±0.1g
[Introduction]：E73-2G4M04S1B is a hardware platform without firmware, so users need to conduct secondary development.For more details about nRF52832, please refer to the official datasheet. This module has maximized the RF Characteristic of chip. Built in 32.768K real-time clock crystal oscillator for self-programmed.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 2379~2496 MHz | Default: 2.4GHz (32MHz oscillator) |
| Transmitting power | 4 dBm | About 2.5mW |
| Receiving sensitivity | -95 dBm | Air data rate: 1Mbps |
| Air data rate | 1M bps, 2M bps | Default: 1M bps |
| Test distance | 100m | In open and clear air, with maximum power, 5 dBi antenna gain, height of 2m, air data rate: 1M bps |
| Hardware Parameter | Value | Remark |
|---|---|---|
| IC | nRF52832-QFAA/QFN48 | - |
| FLASH | 512 KB | - |
| RAM | 64 KB | - |
| Core | ARM® Cortex™ -M4F | - |
| Size | 17.5 * 28.7 mm | - |
| Antenna type | PCB | - |
| Communication interface | I/O | - |
| Package | SMD | - |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 1.8 | 3.3 | 3.6 | V | - |
| Communication level | 1.8 | 3.3 | 3.6 | V | - |
| Transmitting current | 13 | 14 | 15 | mA | 4dBm（2.5mW） |
| Receiving current | 4 | 5 | 6 | mA | - |
| Sleep current | 1 | 2 | 3 | μA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |