EWM103-WF8723DU Module bimode WiFi + Bluetooth basé sur l'interface de communication USB2.0 Realtek RTL8723DU-CG
[Solution de puce]：RTL8723DU
[Fréquence de fonctionnement]：2,4 GHz
[Interface de communication]：USB 2.0
[Distance de communication]：200 m
[Taille du produit]：12,9*12,2*1,9 mm
[Poids du produit]：0,51±0,1 g
[Introduction]：EWM103-WF8723DU est un module double mode WiFi + BT à faible coût et hautes performances basé sur Realtek RTL8723DU-CG. Conforme aux normes IEEE 802.11b/g/n et au protocole Bluetooth 4.2, avec un débit de données maximal allant jusqu'à 150 Mbps, des interfaces riches et un processeur puissant, il offre une solution complète pour les périphériques LAN sans fil intégrés avec des performances de débit élevées.
Magasin officiel| Radio frequency parameters | unit | Value | Remark |
| Transmission power | dBm | 15-17 (typical value is 16) | |
| WiFi protocol | - | IEEE 802.11b/g/n | |
| Bluetooth protocol version | - | V2.1/v4.2 | |
| Reference distance | m | 200 | Antenna gain 5dBi, module and device terminal communication |
| Working frequency band | GHz | 2.4～2.484 | Supports global license-free ISM 2.4GHz band |
| Power supply voltage | In | DC 3.3V±0.2V @ 500 mA (Max ) | |
| Operating temperature | ℃ | -20~70 | |
| Working humidity | RH | 10%~95% | No dew |
| Hardware parameters | Parameter details | Remark |
| chip | RTL8723DU-CG | - |
| Packaging method | Patch | - |
| Antenna interface | Stamp hole | Characteristic impedance is about 50 ohms |
| Communication interface | USB 2.0 | |
| size | 12.9*12.2*1.9mm | Error size is ±0.2mm |
| weight | 0.51g | Error is ±0.1g |
Recommended working conditions
| Recommended electrical parameters | Min | Type | Max | Units | |
| Operating temperature | -20 | 25 | 70 | ℃ | |
| External antenna standing wave | - | 1.7 | 2 | / | |
| Power supply voltage | VDD33 | 3.1 | 3.3 | 3.5 | In |
I/O interface power consumption specifications
| symbol | parameter | Min | Type | Max | unit |
| HIV | High level input | 2 | 3.3 | 3.6 | In |
| Will | Low level input | - | 0 | 0.9 | In |
| VOH | High level output | 2.97 | - | 3.3 | In |
| VOL | Low level output | 0 | - | 0.33 | In |
Consumption of current
| Test conditions | VDD33 Current (average value) | ||
| Type | Max | unit | |
| WLAN Unassociated (Linux Driver) | 120 | 130 | and |
| 2.4G 11b 1Mbps TX @ 17dBm (TX RF test) | 320 | 330 | and |
| 2.4G 11b 11Mbps TX @ 17dBm (TX RF test) | 285 | 300 | and |
| 2.4G HT20 MCS7 RX (RX RF test) | 92 | 96 | and |
| 2.4G HT40 MCS0 TX @ 17dBm (TX RF test) | 240 | 250 | and |
| 2.4G HT40 MCS7 TX @ 14dBm (TX RF test) | 180 | 190 | and |
| BT BR_1M TX@4dBm | 159 | 186 | and |
| BT BR_1M RX Active | 138 | 165 | and |
| Note: Use electrical parameters VDD33=3.3V, working temperature: 25℃ | |||