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iFlight Albatross 5.8GHz UFL Antenna V2.1

The iFlight Albatross 5.8GHz UFL Antenna V2.1 is an FPV antenna with RHCP and LHCP options, an ipex/UFL connector and RG141 cable. Its LDS construction, hexagonal shape and ultrasonic-welded attachment combine with a right-angle design for convenient mounting. Each package supplies one antenna.

iFlightDrone antennas
Weight
3g/2.7g/3.4g±0.5g
Dimensions
Total length: 90 mm(±5 mm); cable length: 65 mm

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Product overview

The iFlight Albatross 5.8GHz UFL Antenna V2.1 is designed for FPV applications, with RHCP and LHCP polarization options and a 5.3GHz-6GHz frequency range. Its construction combines LDS technology with a hexagonal shape for durability and a right-angle design that simplifies fixation. Ultrasonic welding provides a lightweight, secure antenna attachment. An RG141 cable and ipex/UFL connector complete the assembly, while the V2.1 design delivers more stable performance than V2 and improved consistency in antenna gain.

Antenna lengths accommodate several FPV installations. The 90mm LHCP version suits the Mach R5 Sport HD, and the 195mm LHCP version suits the Protek35 Vista HD. RHCP applications include the Mach R5 Analog with the 90mm version, AOS LR5 Analog with the 145mm version, and Protek35 Analog with the 195mm version. Total lengths carry a ±5mm tolerance; corresponding cable lengths are 65mm, 130mm and 170mm. The LHCP range also includes a 180mm version with a 165mm cable. Each package contains one Albatross 5.8GHz FPV Antenna V2.1.

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Specifications

SpecificationValue & conditions
ModelIFlight Albatross 5.8GHz UFL Antenna V2.1
ConnectorIpex/UFL
Frequency range5.3GHz-6GHz
Polarization optionsRHCP; LHCP
Gain
  • Maximum: 3.02dBi (5500MHz);
  • minimum: 2.85dBi (5700MHz);
  • average: 2.9dBi
RHCP; maximum at 5500MHz; minimum at 5700MHz.
Gain
  • Maximum: 3.05dBi (5500MHz);
  • minimum: 2.88dBi (5800MHz);
  • average: 2.95dBi
LHCP; maximum at 5500MHz; minimum at 5800MHz.
VSWR
  • Maximum: 1.76 (6000MHz);
  • minimum: 1.20 (5300MHz);
  • average: 1.48
RHCP; maximum at 6000MHz; minimum at 5300MHz.
VSWR
  • Maximum: 1.74 (5700MHz);
  • minimum: 1.19 (5300MHz);
  • average: 1.5
LHCP; maximum at 5700MHz; minimum at 5300MHz.
Radiation efficiency
  • Maximum: 68.77% (5700MHz);
  • minimum: 65.17% (5300MHz);
  • average: 66.51%
RHCP; maximum at 5700MHz; minimum at 5300MHz.
Radiation efficiency
  • Maximum: 68.89% (5500MHz);
  • minimum: 64.51% (5300MHz);
  • average: 66.82%
LHCP; maximum at 5500MHz; minimum at 5300MHz.
Cross polarization suppression-25dB
Axial ratio≤3
CableRG141
Weight3g/2.7g/3.4g±0.5gRHCP.
Weight3g/2.7g/3.3g/3.4g±0.5gLHCP.
DimensionsTotal length: 90mm(±5mm); cable length: 65mm90mm version; RHCP or LHCP.
DimensionsTotal length: 195mm(±5mm); cable length: 170mm195mm version; RHCP or LHCP.
DimensionsTotal length: 145mm(±5mm); cable length: 130mm145mm version; RHCP or LHCP.
DimensionsTotal length: 180mm(±5mm); cable length: 165mm180mm version; LHCP.
CompatibilityMach R5 Sport HD (Original: 65mm)LHCP; 90mm antenna.
CompatibilityProtek35 Vista HD (Original: 170mm)LHCP; 195mm antenna.
CompatibilityMach R5 Analog (Original: 65mm)RHCP; 90mm antenna.
CompatibilityAOS LR5 Analog (Original: 130mm)RHCP; 145mm antenna.
CompatibilityProtek35 Analog (Original: 170mm)RHCP; 195mm antenna.
Physical designHexagonal shape for enhanced durability; right-angle design for convenient fixation
Antenna technologyLDS technology; more stable performance than V2Version 2.1.
Attachment constructionUltrasonic welding for a lightweight, secure antenna attachment
Supplied equipment1 x Albatross 5.8GHz FPV Antenna V2.1
Gain consistencyHigher antenna gain consistency for improved device performance and stability
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