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Rolatube
Rolatube CFRP Antenna Boom — Deployable Antenna Arm
Technical specifications
CFRP Antenna Boom — Specs by length
| Length | Weight | Tip load | Typical application |
|---|---|---|---|
| 1 m | 0.12 kg | 5 kg | Yagi UHF 5 elementos, panel SATCOM 45 cm |
| 1.5 m | 0.18 kg | 3 kg | Panel SATCOM 60 cm, antena sectorial MIMO |
| 2 m | 0.22 kg | 2 kg | Yagi VHF 3 elementos, sensor SIGINT ligero |
| 3 m | 0.35 kg | 1.2 kg |
Technical overview
The Rolatube CFRP Antenna Boom applies the same technology as the System 50/75/100 masts to horizontal and variable-angle mounting arms: a bi-stable carbon fiber laminate that deploys into a rigid tubular structure as it exits the reel, without tools or locking mechanisms. Its primary function is to mount directional antennas — VHF/UHF yagi, SATCOM panels, microwave MIMO antennas — at a distance from the main mast to eliminate mast backscatter interference on antenna gain.
In portable SATCOM systems, backscatter from a metal mast reduces the effective dish gain by up to 3 dBi when the mast passes within the antenna's secondary lobe. A 1.5m CFRP boom that offsets the SATCOM dish from the mast axis and electromagnetically isolates it recovers those 3 dBi with no weight increase in the support structure. At 100 kg EIRP on Ka-band link, 3 dBi represents the difference between a SATCOM terminal operating on margin and one with link reserve.
The Rolatube Antenna Boom is supplied with adapters for the most common mast mounts (1.5-inch standard tube, extended Picatinny rail, and universal tripod photographic 3/8" mount) and supports tip loads of up to 5 kg in the 1m version — sufficient for 5-element UHF yagi antennas or 45 cm SATCOM panels.
Key features
Applications
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Local technical support
EMAR SYSTEMS provides integration, training, and after-sales support for all represented products. Contact the technical team for specifications, demos, and quotes.
| Extensión de brazo para ISR — cámara <1 kg |