[Working frequency]:2400MHz~2480MHz
[Transmission power]:20dBm
[Communication distance]:300m
[WiFi version]:IEEE 802.11 b/g/n/ax
[Air rate]:150Mbps
[Product size]:16*24mm
[Product weight]:1.3g±0.1g
[Introduction]:E103-W11 is a cost-effective serial to Wi-Fi module, small size package, working in the 2.4~2.4835GHz frequency band. The module can use the serial port to send and receive data, which reduces the threshold for wireless applications.
| Main parameters | Performance | Remark | ||
| Min Max | Typical value | Max | ||
| Working voltage (V) | 3 | 3.3 | 3.6 | ≥5V guarantees output power, higher than 5.5V will permanently burn modules |
| I/O voltage | -0.3 | - | 3.6 | over 3.6V will cause permanent damage to module I/O |
| Communication level (V) |
-0.3 | 3.3 | 3.6 | 5V TTL will permanently burn the module |
| Working temperature (°C) | -40 | - | +85 | Industrial design |
| Hardware parameters | Value |
Remark |
| Packaging method | SMD |
- |
| Interface | Stamp hole | Spacing 2.0mm |
| Communication interface | UART serial port | TTL level |
| Dimension | 16*24 mm | - |
| Net weight | 1.3g | 士0.1g |
| RF interface |
IPEX/stamp hole | Equivalent impedance is about 50Ω |
| RF parameters | Value |
Remark |
| Working frequency | 2400MHz~2480MHz | Support ISM band |
| transmit power | 19.5dBm~20.5dBm | The software is adjustable, available for user self- development and configuration |
| Receive sensitivity |
-87 dBm | Air rate 500kbps |
| Wi-Fi version | IEEE 802.11 b/g/n/ax | Modulation technology |
| Air rate | 150Mbps | |
| Blocking power | 10dBm | The probability of burning at close range is small |
| Reference distance |
300m |
Sunny and open, antenna gain 0dBi, onboard PCB antenna. |




