[Introduction]：E73-2G4M08S1E is a small-sized, low-power multi-protocol module developed by Ebyte. It adopts the original imported nRF52833 radio frequency chip from Nordic, supports Bluetooth 5.1, Ble mesh, Thread, Zigbee; This chip comes with a high-performance ARM CORTEX-M4 core.
[IC]：nRF52833
[Frequency]：2.360~2.500GHz
[Protocol]：BLE5.1/Zigbee
[Distance]：120m
[Size]：13.0*18.0mm
[Weight]：1.0±0.1g
| Main Parameters | Min. | Max. | Remarks |
|---|---|---|---|
| Power supply（V） | 0 | 5.5 | Voltage over 5.5V will cause permanent damage to module |
| Blocking power（dBm） | - | 10 | Chances of burn is slim when modules are used in short distance |
| Operating temperature（℃） | -40 | +105 | Industrial grade |
| Main Parameters | Min. | Typ. | Max. | Remarks |
|---|---|---|---|---|
| Operating voltage（V） | 1.7 | 3.3 | 5.5 | ≥3.3V ensures output power |
| Communication level（V） | - | 3.3 | - | For 5V TTL, it may be at risk of burning down |
| Operating temperature（℃） | -40 | - | +85 | Industrial design |
| Operating frequency（MHz） | 2360 | - | 2500 | Support ISM band |
| Transmitting current（mA） | - | 17.5 12.9 8 |
- | TX only run current(DC/DC, 3V) P(RF)= +8 dBm TX only run current(DC/DC, 3V) P(RF)= +4 dBm TX only run current(DC/DC, 3V) P(RF)= +0 dBm |
| Receiving current（mA） | - | 7.8 8.4 |
- | RX only run current (DC/DC, 3V) 1M bps / 1M bps BLE RX only run current (DC/DC, 3V) 2M bps / 2M bps BLE |
| Transmitting power（dBm） | 7 | 7.5 | 8 | - |
| Receiving sensitivity（dBm） | - | -103dBm @ BLE 125kbps -96dBm @ BLE 1Mbps |
- | long distance mode - |
| Main parameter | Description | Remarks |
|---|---|---|
| Reference distance | 120m | Clear and open environment, height 2.5 meters, air rate 1M bps |
| Crystal Oscillator | 32MHz | - |
| Protocol | BLE 5.1/Ble mesh/Thread/Zigbee | - |
| Package | SMD | - |
| Interface | 1.27mm | Stamp hole |
| IC | nRF52833-QIAA/aQFN ™ 73 | - |
| FLASH | 512kB | - |
| RAM | 128kB | - |
| Core | ARM®Cortex®-M4 | - |
| Size | 13*18mm | - |
| Weight | 1±0.1g | - |
| Antenna | Ceramic antenna | 50 ohm impedance |
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