Challenger 1.8m C, Ku-Band Quick Deploy Antenna
The Challenger 1.8m C, Ku-Band Quick Deploy Antenna combines rugged performance, dual-band flexibility, and rapid field assembly for mission-critical SATCOM operations. Built for use in military, emergency, and remote deployments, this system offers high efficiency across C and Ku-bands with optional circular or linear polarization.
The 4-piece precision aluminum reflector is laser-aligned and reinforced with AntennaArmor™ backing, ensuring durability through transport and repeated use. Pre-assembled tripod mounts and hand-crank adjustment allow for fast, tool-free satellite acquisition in under 10 minutes.
With support for both C and Ku-band feeds and operation in extreme environments, this antenna delivers unmatched versatility and reliability for users in dynamic field conditions.
Key Features
- Tool-free assembly in under 10 minutes
- Dual-band operation: C and Ku-band linear or circular feeds
- 4-piece high-efficiency aluminum reflector with laser-verified accuracy
- AntennaArmor™ reinforcement for reflector and edge protection
- 360° azimuth and 0–90° elevation with fine crank adjustments
- Tripod mount with pull-pin assembly for quick deployment
- Durable wheeled hard cases with labeled compartments
- Engineered for survival winds up to 90 mph with ballast
- Made in the USA from aerospace-grade materials
Technical Specifications
- Reflector: 1.8m, 4-piece offset, prime focus design
- Frequency Range:
- C-Band Linear: Rx 3.4–4.2 GHz, Tx 5.7–6.725 GHz
- C-Band Circular: Rx 3.625–4.2 GHz, Tx 5.85–6.425 GHz
- Ku-Band: Rx 10.7–12.75 GHz, Tx 13.75–14.5 GHz - Gain (Midband):
- C-Band Linear: 36 dBi (Rx), 39.8 dBi (Tx)
- C-Band Circular: 35.6 dBi (Rx), 39.5 dBi (Tx)
- Ku-Band: 45.3 dBi (Rx), 47 dBi (Tx) - Cross-Polarization Isolation: 30 dB (Ku), up to 35 dB (C Linear), 21 dB (C Circular)
- Port-to-Port Isolation: 40–80 dB depending on band and polarity
- VSWR: <1.5:1 (C), <1.2:1 (Ku)
- Feed Interface: WR229 (C Linear), WR137/N (C Circular), WR75 (Ku)
- Mount Type: Elevation-over-Azimuth tripod with pull pins
- Azimuth Adjustment: +30° fine, 360° continuous
- Elevation Adjustment: 0° to 90°, fine crank control
- Efficiency: 70% typical
- Noise Temperature: 50–65K typical depending on elevation and band
- Wind Rating: Operational: 25–45 mph; Survival: up to 90 mph (with anchors)
- Environmental: -40°F to 140°F, rain rate 0.5 in/hr, high solar exposure
- Transport Cases:
- Reflector Cases (x2): 90 lbs each, 44"x12"x44"
- Mount Case: 130 lbs, 66"x22"x18"
- Back Structure Case: 100 lbs, 50"x24"x16"
