Model Number: TLX50 Type: Base station Antenna Place of Origin: Fujian, China Brand Name: Tianlu or OEM Frequency Range: 144/430MHz Gain: 4.5/7.2dBi for X50 antenna Length: 5.6ft (1.7m) Fiberglass Rod: Top quality Maximum input: 200W Name: omni directional base station antenna VSWR: lower than 1.5 Polarization: Vertical Diamond antenna Color: White Operating temperature: -50~70 degree