[Frequency] : 2.402~2.484GHz
[Power] : 20dBm
[Distance] : 0.3km
[Interface] : RS232/RS485
[Introduction] : 103-W02-DTU, based on CC3200 of TI, is a UART-WiFi server supporting RS232/RS485 to WiFi two-way transparent transmission, it enables the UART device to immediately have TCP/IP network interface function.
| RF Parameter | Value | Remark |
| Working frequency | 2402~2484 MHz | Default: 2.4GHz |
| Transmitting power | 20 dBm | About 100mW |
| WiFi version | 802.11 b/g/n | |
| Test distance | 300 meter | In open and clear air, with maximum power, 3dBi antenna gain, height of 2m |
| Hardware Parameter | Value | Remark |
| Size | 82 * 62 * 25 mm | |
| Antenna type | SMA-K | 50Ω characteristic impedance, external thread |
| Communication interface | RS232 / RS485 | |
| Package | DB-9 / Screwing |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 10 | 12 | 28 | V | |
| Transmitting current | 70 | 77 | 84 | mA | 20dBm（100mW） |
| stand-by current | 13 | 14 | 15 | mA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
| No. | Pin item | Application |
| 1 | RS232 | Standard DB9 hole |
| 2 | 485_A | Connecting to the end A of other RS485 device |
| 3 | 485_B | Connecting to the end B of other RS485 device |
| 4 | GND | Ground |
| 5 | VCC | Power source, default power supply 8 ~ 28V (5V version customizable) (pin 5 and 6 automatically selects high voltage end) |
| 6 | DC8~28V | DC power port (5.5*2.5), connecting with DC8~28V power source (5V standard version customizable) |
| 7 | ANT | Antenna (SMA-K,external thread and internal hole, 50Ω characteristic impedance) |
| 8 | WiFi | Indicator light of WiFi connection status, it lights up when connected and dies out while disconnected. |
| 9 | LINK | Indicator light of socket connection status, the LINK indicator lights up when connected and diesout while disconnected. |
| 10 | STAT | The STAT indicator lights up when entering SmartConfig mode and flashes three times while factory setting recovered. |
| 11 | Program | Burning simulation mode selection, default as high; when it needs to redownload software, please put the switch to low. |
| 12 | Restore | Factory setting recovery selection, it is default as high; when it factory setting needs to be recovered, please put the switch to low and then power on, it will be recovered to factory settings after the STAT indicator flashes three times. The module will inspect the pin when starting on, if the module has already been started,recovery will not be implemented by putting the pin as low. |
| Order online |
| 【eBay】：https://www.ebay.com/usr/cdebyte |
| 【Aliexpress】：https://www.aliexpress.com/store/2798183 |
| 【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 |
