Ebyte CC2540 module sans fil BLE 4.0 récepteur adaptateur ble USB
[IC]：CC2540
[La fréquence]：2.402~2.480GHz
[Protocole]：BLE 4.0
[Distance]：60m
[Interface]：USB
[Poids du produit]：8.8g±0.1g
[Introduction]：E104-2G4U04A est un petit module sans fil ble conçu et fabriqué par Chengdu Ebyte, type USB (espacement des broches 1,27 mm). Ce module dispose d'une antenne embarquée PCB haute performance, utilisant une solution SOC (BLE) à faible consommation d'énergie.
Magasin officiel| 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 | ℃ | - |