E73-2G4M04S1F Ebyte FCC/CE/RoHs Low Power Small Wireless Nordic BLE 5.1 nRF52811 Beacon Module
[IC]：nRF52811
[Frequency]：2.379~2.496GHz
[Protocol]：BLE 5.1/IEEE 802.15.4-2006
[Distance]：120m
[Size]：17.5*28.7mm
[Introduction]：E73-2G4M04S1F is a small volume chip Bluetooth wireless module independently developed based on nrf52811 chip of Nordic of Norway. It adopts 32mhz industrial crystal oscillator to ensure its industrial characteristics and stable performance.
| Main parameter | Description | Remark |
|---|---|---|
| Operating frequency | 2379~2496 MHz | Support ISM band |
| Tx power | 4 dBm | - |
| Receiving sensitivity | -104 dBm | Long ditance mode |
| Crystal frequency | 32MHz/32.768KHz | - |
| Distance for reference | 120m | Test condition: clear and open area, antenna gain: 5 dBi, antenna height: 2.5m, air data rate: 1M bps |
| Main parameter | Description | Remark |
|---|---|---|
| IC | NRF52811 | - |
| FLASH | 192 KB | - |
| RAM | 24 KB | - |
| Core | ARM CORTEX-M4 | - |
| Size | 17.5*28.7mm | - |
| Antenna | PCB | Impedance is about 50 ohms |
| Support protocal | BLE 5.1/IEEE 802.15.4-2006 | - |
| Package | SMD | - |
| Main parameter | Min. | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|
| Operating voltage | 1.8 | 3.3 | 3.6 | V | ≥3.3V can ensures output power |
| Communication level | - | 3.0 | - | V | For 5V TTL, it may be at risk of burning down |
| TX current | - | 18 | - | mA | Instant power consumption |
| RX current | - | 13 | - | mA | - |
| Sleep current | - | 2 | - | μA | Software is shut down |
| Operating temperature | -40 | - | +85 | ℃ | Industrial design |