Features EXCELLENT MATERIAL: The omnidirectional antenna is made of excellent ABS material, non-toxic and harmless, waterproof and sunscreen. HIGH PERFORMANCE: This foldable antenna has 5dbi high gain, the signal is super strong, the greater the range, the farther the distance. STABLE CONNECTION: With SMA male interface, stable and reliable in connection, wear-resistant and corrosion-resistant, has a long service life. HIGH EFFICINTION: Independent channel transmission is faster, reduces co-channel interference and improves transmission efficiency. MULTIPLE APPLICATIONS: Used in GSM, 2G, 3G, 4G, LET full-band network equipment, number picking machines, routers, vending machines, etc. Specification: Item Type: Foldable Antenna Model: JB-GSM-022 Material: ABS Purpose: signal transmission and amplification Antenna frequency: 915Mhz Antenna Gain: 5dbi Standing wave ratio: ≤1.5 Impedance: 50Ω Radiation direction: Omnidirectional Polarization method: vertical polarization Maximum power: 50W Antenna interface: SMA Male Working temperature: -40℃~+85℃ Application fields: GSM wireless module, NB-IOT module, DTU module, advertising machine, numbering machine, automatic, GPRS signal reception and transmission, etc. Package List: 5 x Antennas Package List 5 x Antennas