EWM103-WF8723DU WiFi+bluetooth Dual-mode module based on Realtek RTL8723DU-CG USB2.0 Communication interface
[Chip solution]：RTL8723DU
[Operating frequency]：2.4GHz
[Communication interface]：USB 2.0
[Communication distance]：200m
[Product size]： 12.9*12.2*1.9mm
[Product weight]：0.51±0.1g
[Introduction]：EWM103-WF8723DU is a low-cost, high-performance WiFi+BT dual-mode module based on Realtek RTL8723DU-CG. It complies with IEEE 802.11b/g/n standards and Bluetooth 4.2 protocol, with a maximum data rate of 150Mbps, rich interfaces and powerful processors, providing a complete solution for integrated wireless LAN devices with high throughput performance.
| 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℃ | |||