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E73-2G4M08S1EX Ebyte OEM/ODM cheap Small size low power consumption micro Bluetooth wireless module





[Product weight]:1.3g±0.1g


[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
- 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
- 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