https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
WiFi RS-422/RS-485 adapter, WiFi serial converter

WiFi RS-422/RS-485 adapter, WiFi serial converter

Uconnect International Co., Ltd.
Region: Taiwan
Update: 02/19/2016
Key Specifications
Specifications:

 Wireless standard: 2.4GHz,802.11 b/g

 WIFI operation mode: Simple AP(optional AdHoc) / Infrastructure mode

 WIFI Encryption type: WEP64/WEP128/TKIP/AES

 Frequency range: 2.412~2.484GHz

 Antenna: 2dBi dipole antenn

 Interfaces: RS-422 and RS-485 interfaces

 Baud Rate: 1200 to 921,600 bps

 Data Bits: 5, 6, 7, 8

 Parity: None, Even, Odd

 Stop Bits: 1, 1.5, 2

 Control Signals: TxD, RxD, RTS, CTS,

 Operating Voltage: 4.5~27 VDC

 Power Max. 360mA

 Dimension: 80 x 40 x 18 mm

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions