gps软件，比较好用的，通用性比较强，可以试用一次-gps Software, more useful, versatile and strong, you can try again

GPS 模拟器软件可以在PC上模拟GPS数据，发往串口。GPS相关软件开发者可以拿来测试用。-GPS simulator software can be simulated on a PC GPS data sent to the serial port. GPS software developers can be used to test.