E104-2G4U04A Ebyte CC2540 BLE module ble 4.0 USB BLE 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 BLE 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 (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 | ℃ | - |