Home >Module>BLE>CC25**

E104-2G4U04A Ebyte CC2540 bluetooth module ble 4.0 USB bluetooth adapter receiver

[IC]:CC2540

[Frequency]:2.402~2.480GHz

[Protocol]:BLE 4.0

[Distance]:60m

[Interface]:USB

[Product weight]:8.8g±0.1g

[Introduction]:E104-2G4U04A is a small bluetooth wireless module designed and manufactured by Chengdu Ebyte, USB type (pin spacing 1.27mm). This module has a high-performance PCB on-board antenna, using low power consumption bluetooth (BLE) SOC solution.

RF Parameter Value Remark
Frequency [MHz] 2402~2480 MHz ISM band
Transmitting power 4 dBm -
Receiving sensitivity [dBm] -94 dBm Air rate is 250k bps
Distance 60m Test condition:clear and open area,antenna height: 2.5m,air data rate: 250kbps
Hardware Parameter Value Remark
IC CC2540F256RHAR/QFN40 -
FLASH 256 KB -
SRAM 8 KB -
Core 8051 mcu -
Size 59 * 18 mm With case  
Power supply USB -
Protocol BLE 4.0 -
Electronic parameter Min Typ Max Unit Remarks
Operating voltage 2.7 5 5.5 V USB power supply
Operating voltage 2.0 3.3 3.6 V On-board power supply
Communication level - 3.3 - V For 5V TTL, it may be atrisk of burning down
TX current - 31.5 - mA -
RX current - 22 - mA -
Sleep current - - - μA -
Operating temperature -40 - 85 Industrial class
Storage temperature -40 20 +125 -