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Overview
The SOTM type POMA-45N supports both Ku and Ka band operations. it features a direct drive mechanism for azimuth (AZ) and elevation (EL) with high reliability and a cap design feed for efficient performance and reduced side lobes.
POMA-45N operates independently of GPS by using satellite beacon tracking to correct gyro errors, requiring only manual input of local latitude and longitude before initial satellite pointing. it offers rapid initial satellite pointing, with GPS/BD cold start positioning in under 80 seconds and hot start (or manual input) in under 60 seconds.
SOTMs are ideal for a variety of applications, the POMA-45N provides reliable real-time communication for military operations, stable connectivity for emergency response, and high-quality live broadcasting. it also ensures secure connectivity for corporate networks and consistent satellite communication for maritime and aviation use, maintaining reliability across diverse terrains and weather conditions.
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GENERAL SPECIFICATIONS
- AZ motion range
- 360° continuous rotation without limit
- EL motion range
- -5°- 100°
- Ku Band POL motion range
- ± 110°
- Ka Band POL motion range
- ± 45°
- AZ revolution
- 200° /s
- EL revolution
- 200° /s
- AZ acceleration
- 200° /s²
- EL acceleration
- 200° /s²
- Pointing accuracy
- ≤ 0.2° (R.M.S)
- lnitial acquisition time
- ≤ 2min
- Blockage recovery time
- ≤ 5s (blockage 20min)
- Weight of product
- ≤ 25Kg
- Radome size
- 730x490 mm (Dx H)
- Power supply of system
- 100-230VAC 50-60Hz
- Positioning mode
- GPS+BD
- Steady type
- Two axis for stability, three axis for tracking
- Ku-Band Rx-Tx isolation (dB) Rx
- 85
- Ka-Band Rx-Tx isolation (dB) Rx
- 85
Key Features
• Available in Ku and Ka Band
• High Tracking Accuracy, th eTracking error <0.5 dB RMS without blockage
• Good Tracking Stability, the AZ system uses a closed-loop stabilization algorithm for precise satellite tracking , even during fast movements or "S" travel.
• Blockage recovery in under 3 seconds for blockage times under 5 minutes; recovery in under 5 seconds for blockage times under 20 minutes
• Dynamic Pointing and Switching enables real-time satellite pointing and seamless satellite switching while in motion.
RF CHARACTERISTIC
- Aperture
- 0.45m
- Reflector material
- Carbon fiber
- Antenna form
- Circular symmetrical reflector and cap feed
- Ku-Band Working frequency (GHz) Rx
- 10.70- 12.75
- Ku-Band Working frequency (GHz) Tx
- 13.75- 14.50
- Ka-Band Working frequency (GHz) Tx
- 27.5 - 31.0
- Ka-Band Working frequency (GHz) Rx
- 17.7- 21.2
- Ku-Band POL form
- H/ V linear
- Ka-Band POL form
- LHCP/RHCP
- Ku-Band Antenna Gain at Mid- band ±0.2 dB(aso) Rx
- 33.7
- Ku-Band Antenna Gain at Mid- band ±0.2 dB(aso) Tx
- 34.8
- Ka-Band Antenna Gain at Mid- band ±0.2 dB(aso) Tx
- 40.4
- Ka-Band Antenna Gain at Mid- band ±0.2 dB(aso) Rx
- 36.9
- Ku-Band 1st side lobe
- ≤ -14dB
- Ka-Band 1st side lobe
- ≤ -14dB
- Ku-Band Cross POL (dB)
- 35 (axial)
- Ka-Band Axial ratio (dB)
- 1.5
- Ku Band Tx-Rx isolation (dB)
- 35 (axial)
Key Features
• Available in Ku and Ka Band
• High Tracking Accuracy, th eTracking error <0.5 dB RMS without blockage
• Good Tracking Stability, the AZ system uses a closed-loop stabilization algorithm for precise satellite tracking , even during fast movements or "S" travel.
• Blockage recovery in under 3 seconds for blockage times under 5 minutes; recovery in under 5 seconds for blockage times under 20 minutes
• Dynamic Pointing and Switching enables real-time satellite pointing and seamless satellite switching while in motion.
Compatibility
ENVIRONMENTAL SPECIFICATIONS
- Operating wind speed
- Max.60m/s at any direction
- Working temperature
- -30°C-+55°C
- Storage temperature
- -40°C-+60°C
- Protection grade
- IP67
- Working humidity
- 0%-98%
Key Features
• Available in Ku and Ka Band
• High Tracking Accuracy, th eTracking error <0.5 dB RMS without blockage
• Good Tracking Stability, the AZ system uses a closed-loop stabilization algorithm for precise satellite tracking , even during fast movements or "S" travel.
• Blockage recovery in under 3 seconds for blockage times under 5 minutes; recovery in under 5 seconds for blockage times under 20 minutes
• Dynamic Pointing and Switching enables real-time satellite pointing and seamless satellite switching while in motion.
