LEC-BTS1-2G-ER LEC-BTS1-C7-2G-ER LEC-BTS20-2G-ER LEC-BTS21-2G-CT LEC-BTS2-2G-ER LEC-BTS2-C6-2G-ER LEC-BTS4-2G-ER LEC-BTS4-4G-ER LEC-BTS4-C5-2G-ER LEC-BTS-HS