14
2015-09
12
11
10
09
08
07
06
02
01
31
2015-08
The multi-in-one antenna communication bands include: GPS L1, Beidou II B1, WIFI, TD-LTE, TD-SCDMA, WCDMA, FDD-LTE, GSM.
Waterproof and dustproof rating of the casing: IP67
硬件方面，卫星的寿数直接影响整个导航体系的效劳质量
