User's Manual

HF-A21-SMT Embedded WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com - 56 -
 Only Port ID required: 8899 (Default)
Figure 46. Module Network Protocols: TCP/Server
 Protocol: TCP Client
 Application IP address required: it‟s target TCP server „s IP address;
 Port ID required: 8899 (Default)
Figure 47. Module Network Protocol: TCP/Client
 Protocol: UDP
 No Server/Client selection required;
 Application IP address required: it‟s target device „s IP address;
 Port ID required: 8899 (Default)
Figure 48. Module Network Protocol: UDP
Q5: How to configure transparent serial port application: Two HF-A21-SMT
modules all configured as STA and connection through AP?
 Network structure as below figure:
 Module 1# Setting: ( We use HF-A21-SMT as AP for this example)
 Works as AP mode and all default setting;