8dB (10dBi) Sierra AT&T Elevate 754S Hotspot External Antenna w/OEM SMK TS-9 Advanced 8dB Dual-Booster Multi-Band Technology Delivers Maximum 3G 4G LTE Reception GSM GPRS 3G 4G LTE UMTS CDMA TDMA - Digital & Analog (700 ~ 900 MHz / 1800 ~ 1990 MHz / 2100 MHz) Stainless Steel Construction Assures Superior Durability - For Outside & Inside Use. Commercial Grade (3" Diameter) Magnet w/Poly Boot Provides Non-Abrasive, Secure Antenna Mounting Includes - 12ft RG58U Antenna Coax Cable & 18" OEM SMK TS-9 Adapter Cable For Sierra Wireless