[IC]：ARM® Cortex®-M3 Application Processor
ARM® Cortex®-M0 Link Controller
[Frequency]：2.4GHz
[Power]：12dBm
[Wi-Fi]：802.11b
[Size]：22*13mm
[Introduction]：E103-W08 is a 2.4G-based WIFI re-serial module developed by Chengdu Yiyi, wiFI maximum transmit power of up to 10dBm, this module built-in ARM® Cortex®-M3 Application Processor and ARM ® Cortex ®-M Link Controller.
| The main parameters | performance | remark |
| Operating voltage（V） | 2.5~3.6 | ≥3.3V guarantees output power |
| Communication level（V） | 3.3 | Using 5V TTL is risky to burn |
| Operating temperature（℃） | -40~+85 | Industrial-grade design |
| Operating band（GHz） | 2.412~2.472 | Support for 2.4G bands |
| Maximum transmit powerdBm） | 11~12 | Test 2.412GHz |
| Emission current（mA） | 130 | Instantaneous power consumption（2.412GHz） |
| Receive current（mA） | 18 | Average power consumption received（2.412GHz） |
| Sleep current（μA） | 18 | dormancy |
| WiFi version | 802.11b | - |
| Bluetooth version | LE 5.0EE | - |
| Pin no | The pin name | Pin type | Pin usage |
| 1 | GND | - | Ground, connected to the power reference ground |
| 2 | RST_N | I | Reset pin, low active (built-in pull-up resistor 47k) |
| 3 | EN | I | OPL1000 chip enable pin, high level enable (built-in pull-up resistor 47k) |
| 4 | GPIO0 | I/O | Universal IO port (not currently in use) |
| 5 | GPIO1 | I/O | Universal IO port (not currently in use) |
| 6 | TXD | I/O | TTL serial output, connected to external RXD input pin (OPL1000 GPIO2) |
| 7 | RXD | I/O | TTL serial input, connected to external TXD output pin (OPL1000 GPIO3) |
| 8 | GPIO4 | I/O | Universal IO port (not currently in use) |
| 9 | GND | - | Ground, connected to the power reference ground |
| 10 | GPIO5 | I/O | The Socket connection indicates that the connection output is set to be high and the disconnect output is low |
| 11 | GPIO6 | I/O | Universal IO port (not yet used, recommended suspension) |
| 12 | GPIO23 | I/O | Link connection indicates that the wifi connection output is set to be high and the wifi output is disconnected at a low level |
| 13 | GPIO7 | I/O | Universal IO port (not currently in use) |
| 14 | GPIO8 | I/O | Universal IO port (not currently in use) |
| 15 | GPIO9 | I/O | Universal IO port (not currently in use) |
| 16 | GPIO10 | I/O | Universal IO port (not currently in use) |
| 17 | GND | - | Ground, connected to the power reference ground |
| 18 | VCC | - | The module power supply is being referenced, with voltages ranging from 2.5 V to 3.6 V |
| 19 | GPIO11 | I/O | Universal IO port (not currently in use) |
| 20 | GPIO18 | I/O | Restore the default parameters, which can only be changed within the first 1 second of power-up, and the low level is valid |
| 21 | GPIO19 | I/O | Universal IO port (not currently in use) |
| 22 | GPIO20 | I/O | Universal IO port (not currently in use) |
| 23 | GPIO21 | I/O | Universal IO port (not currently in use) |
| 24 | GPIO22 | I/O | Universal IO port (not currently in use) |
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| 【Amazon】：https://www.amazon.co.uk |
| 【Aliexpress】：https://www.aliexpress.com |
| 【Alibaba】：https://www.alibaba.com |
| For batch order/customized product |
| 【Sales hotline】：+86-28-61399028 Ext.812 |
| 【E-mail】：service@cdebyte.com |
| Technical support |
| 【Submit online】：http://www.ebyte.com/en/apple-technology.aspx |
| 【E-mail】：support@cdebyte.com |
| Model | Interface | IC | Frequency Hz | Power dBm | Distance m | communication protocol | Package | Size (mm) | Feature | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E103-W08B | UART | ARM® Cortex®-M3 Application Processor/ARM® Cortex®-M0 Link Controller | 2.4G | 12 | - | 802.11b | - | 16*13 | WIFI re-serial module | ||
| E103-W08A | UART | ARM® Cortex®-M3 Application Processor/ARM® Cortex®-M0 Link Controller | 2.4G | 12 | - | 802.11b | - | 22*13 | WIFI re-serial module | ||
| E103-W07 | UART | ESP32-S2 | 2412~2484M | - | - | 802.11b/g/n | PCB/IPEX | 18*31 | WIFI MESH | ||
| E103-W10 | UART | ESP8285N08 | 2.4G | 20 | 0.25 | 802.11 b/g/n | IPEX | 15*12.3mm | Serial(UART) to WIFI module | ||
| E103-W06 | UART | CC3235S | 2.4G/ 5G | 18 | - | 802.11 a/b/g/n | - | 20.5*17.5 | dual-frequency wifi module | ||
| E103-W06-TB | USB | - | - | - | - | - | - | 62*31mm | E103-W06 module test kit | ||
| E103-W05A | UART I/O | W600 | 2.4G | 20 | 0.13 | 802.11b/g/n | PCB | 24.7*14.4*11.2 | Small size, high cost performance | ||
| E103-W05C | UART I/O | W600 | 2.4G | 20 | 0.15 | 802.11b/g/n | PCB | 24*16*2.5mm(±0.2) | Cost-effective wｉ-fｉ digital transmission module | ||
| E103-W05B | UART I/O | W600 | 2.4G | 20 | 0.4 | 802.11b/g/n | IPEX | 17*16*2.5mm （±0.2） | AT command, Wi-Fi data transmission module | ||
| E103-W05 | UART I/O | W600 | 2.4G | 20 | 0.1 | 802.11b/g/n | PCB | 19*13*0.8 | Small size,High cost performance | ||
| E103-W01-IPX | UART | ESP8266EX | 2.4GHz | 20 | 0.1 | 802.11b/g/n | PCB | 16*24 | Airkiss | ||
| E103-W02 | UART | CC3200 | 2.4GHz | 20 | 0.3 | 802.11b/g/n | PCB/IPX | 27*19 | Low power,Continuous transmission | ||
| E103-W01 | UART | ESP8266EX | 2.4GHz | 20 | 0.1 | 802.11b/g/n | PCB | 16*24 | Airkiss |
