Ralink's V11ST-FE is a RT2880F evaluation board including a 5-port IC+ IP175C Ethernet switch and on-board Ralink RT2820 radio. It exposes a JTAG and an UART header between the CPU and the Radio chips.
Serial console is on the 2×5 pin header with the following pinout:
RT2880 Wi-Fi
[TX] [VCC]
[] []
[] []
[RX] [GND]
Serials console baudrate is : 57600,8n1