E73-2G4M08S1EX Ebyte OEM/ODM cheap Small size low power consumption micro Bluetooth wireless module
[IC]：nRF52833
[Frequency]：2.360~2.500GHz
[Protocol]：BLE5.1/Zigbee
[Distance]：120m
[Size]：13.0*18.0mm
[Introduction]：E73-2G4M08S1EX are wireless Bluetooth modules designed by Chengdu Ebyte which feature small size, low power consumption. It adopt the originally imported RFIC nRF52833 of NORDIC, supporting Bluetooth 5.1, Bluetooth mesh, 802.15.4, Thread, Zigbee and proprietary 2.4 GHz protocols. The chip comes with a high-performance ARM CORTEX-M4 core.
| 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 | IPEX | 50 ohm impedance |