WIFI to RS232 module with  antenna - Serial to Wireless, you need not to know detail of wi-fi, just use it as Transparent transmission.
 

Features:
 

1. On board wifi to ttl module, see details of USR-WIFI232-B

2. RS232 port , male as PC, support RTS/CTS

3. DC 5～9V input

4. Reload for restore default setting, (at work status, press it 1 second and then left it free wait restart finish will back to default setting)

5. 2.54 RS232 lever TXD TXD GND pin out

6. leds for Power Ready Link RXD TXD

7. important pin out

8. DC5.5*2.1 and 3.81 two power input inerface, can work as one in and other out.

9. Pin9 on COM port can link to Power input, for power in or out from COM port

10. Power adapter, serial cable for free

11. TCPIP demo VB / DEPHI / Boland C++