E73-2G4M04S1D Ebyte FCC/CE/RoHs Low Power Small Wireless Nordic BLE 4.2 nRF51822 Beacon Module
[IC]：nRF51822
[Frequency]：2.379~2.496GHz
[Protocol]：BLE 4.2
[Distance]：0.1km
[Interface]：I/O
[Weight]：1.9±0.1g
[Introduction]：E73-2G4M04S1D is a small Bluetooth module that features ultra low power consumption with dual antenna PCB and IPX antenna of high performance. Based on originally imported IC nRF51822 from NORDIC,the module supports BLE 4.2 protocol.
| RF Parameter | Value | Remark |
|---|---|---|
| Working frequency | 2379~2496 MHz | Default: 2.4GHz (16MHz oscillator) |
| Transmitting power | 4 dBm | About 2.5mW |
| Receiving sensitivity | -96 dBm | Air data rate: 250kbps |
| Air data rate | 250kbps, 1M bps, 2M bps | Default: 250k bps |
| Test distance | 110m | In open and clear air, with maximum power, 5 dBi antenna gain, height of 2m, air data rate: 250k bps |
| Hardware Parameter | Value | Remark |
|---|---|---|
| IC | nRF51822-QFAA/QFN48 | - |
| FLASH | 256 KB | - |
| RAM | 16 KB | - |
| Core | ARM® Cortex™ M0 | - |
| Size | 17.5 * 28.7 mm | - |
| Antenna type | PCB / IPEX | - |
| Communication interface | I/O | - |
| Package | SMD | - |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Power supply | 2.1 | 3.3 | 3.6 | V | - |
| Communication level | 2.1 | 3.3 | 3.6 | V | - |
| Transmitting current | 13 | 14 | 15 | mA | 4dBm（2.5mW） |
| Receiving current | 11.3 | 12.6 | 13.8 | mA | - |
| Sleep current | 0.5 | 1.0 | 2.5 | μA | - |
| Operating temperature | -40 | 20 | +85 | ℃ | - |
| Operating humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | +125 | ℃ | - |