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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 -