E104-2G4U04A Ebyte CC2540 bluetooth wireless module BLE 4.0 USB bluetooth adapter receiver
[IC]：CC2540
[Frequency]：2.402~2.480GHz
[Protocol]：BLE 4.0
[Distance]：60m
[Interface]：USB
[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 | ℃ | - |