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E73-2G4M04S1FXEbyte FCC/CE/RoHs Small size patch Bluetooth Nordic BLE 5.1 nRF52811 Bluetooth Module



[Protocol]:BLE 5.1/IEEE 802.15.4-2006


[Product weight]:2g±0.1g


[Introduction]:E73-2G4M04S1FX 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 -
Size 17.5*28.7mm -
Antenna IPEX 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