The BIT-CCTV BIT-SPT80-D 80kg Load Antenna Rotator System adopts direct drive transmission technology, providing extremely high positioning accuracy of 0.1 and self-locking ability against 12-level wind load, ensuring that the communication link is still firmly connected in extremely harsh environments. Bit-cctv are the source manufacturers, eliminate middlemen, provide bulk purchase, provide you with very competitive factory prices and faster delivery speed.
Rotation angle
0 ° ~ 360 ° continuous rotation
Positioning accuracy
≤ 0.05 °
Operating temperature
-40°C to +65°C
Drive Mode
Direct Drive
Load capacity
80kg
Control interface
RS-485 / RS-232 / RJ45
Rotation speed
0.01°～180°/S
Protection grade
IP66 fully sealed design
Body material
high strength aluminum alloy/stainless steel
The gearbox is filled with aviation-grade wide-temperature grease, which does not solidify at low temperature of -40°C and does not run off at high temperature of +80°C. The Bit-cctv seal lubrication system ensures that the equipment does not need to be filled with lubricating oil frequently during the entire life cycle, which greatly reduces the maintenance cost of high-altitude work.
Using high-strength copper alloy worm gear and hardened steel worm, Bit-cctv unique self-locking structure design can withstand up to 2000 Nm braking torque, completely eliminate the “windmill effect” (Windmilling) in high wind environment, to ensure that the antenna pointing in the hurricane is still motionless.
Built-in 16-bit absolute encoder, with closed-loop control algorithm, will repeat the positioning accuracy control within 0.05 °. Compared with the traditional potentiometer feedback system, the Bit-cctv scheme can significantly improve the tracking gain of Ka/Ku band narrow beam satellite signal and reduce the link los
The fuselage is made of die-cast aluminum alloy and 3 heavy-duty anti-corrosion coating on the surface, combined with special fluorine-containing rubber sealing ring, through 96 hours of salt spray test. Even in extreme environments such as high salt fog at sea or desert dust storms, the internal precision gears and circuits are protected from corrosion and have a service life of more than 5 years.
Support soft start and soft stop function, automatically adjust the acceleration and deceleration curve according to the load inertia. This 1 the design effectively avoid the mechanical impact of emergency stop on the antenna array and the installation tower, protect the precision microwave components, and reduce the risk of overheating of the motor.
Native support for Pelco-D/P and other mainstream control protocols, can be directly connected to the existing security or communication network via RS-485 or Ethernet. System integrators can achieve remote control without additional development drivers, significantly shortening the project deployment cycle.
| Parameter Category | Parameter Item | Specification Value |
| Mechanical properties | Azimuth Range | 0° – 360° (continuous/limited selectable) |
| Maximum vertical load | 80 kg (176 lbs) | |
| Gear backlash | < 0.2° | |
| Electrical characteristics | Input voltage | DC 24V |
| Power Consumption | Standby power consumption < 5W, maximum operating power consumption 90W | |
| Position Feedback | Absolute encoder/potential | |
| Motor Type | Brushless DC motor / Stepper motor/ Direct drive | |
| Environmental adaptability | IP Rating | IP66 (Waterproof and dustproof) |
| Operating temperature | -40°C ~ +65°C | |
| Surface treatment (Material Finish) | Powder coating/Anodizing | |
| Size and weight | Net Weight | 30 kg |
For base stations in typhoon-prone areas, we have completely solved the pain point of signal interruption caused by passive rotation (slippage) of traditional rotators in typhoon days by increasing the self-locking angle design of worm gears, ensuring smooth communication links all day long..
For equipment installed on tens of meters high towers, we have solved the pain point of motor burning caused by low-temperature freezing of traditional grease. Through the use of fully sealed aviation lubrication technology, “one installation, ten years maintenance free” is realized, which ensures the safety of technical personnel and reduces operation and maintenance expenses..
For remote unattended stations, we have solved the pain point of control failure caused by interference in long-distance analog signal transmission. Through the built-in fully digital IP control module, it supports direct network control and status backhaul, allowing system integrators to monitor equipment status in real time thousands of kilometers away..
Professional engineers are needed to deploy high-precision satellite tracking systems. The Bit-cctv antenna rotation system can provide 0.1-degree tracking accuracy and stable low-speed operation performance. It is perfectly adapted to parabolic antennas in various frequency bands and is the core component for building a reliable ground link.
General contractor responsible for border, coastline or forest fire monitoring. Such users require a rotating platform that carries a telephoto lens and a heavy-duty thermal imager. Our products have IP66 protection and anti-salt spray ability, can work in the seaside high corrosion environment for a long time, to ensure that the monitoring screen does not shake, not lost.
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A veteran radio enthusiast who pursues extreme communication distance and lunar surface reflection communication. They usually have a large array of Yagi antennas, and the torque and wind resistance of the rotator are extremely demanding. Bit-cctv provide industrial-grade reliability far beyond ordinary civilian-grade products, can easily drive large shortwave antenna arrays.
Depot engineer who designs mobile communication command vehicles and broadcast vehicles. Vehicle environment requires equipment with strong seismic capacity and compact volume. Our rotating system is compact and earthquake-resistant. It can drive on bumpy roads without damage. After parking, it can be quickly deployed and accurately set stars.
Fix the rotator on the mast with a diameter of 48-65mm and tighten the stainless steel U-bolts. When installing the antenna, be sure to adjust the installation position so that the center of gravity of the antenna is as close as possible to the rotation axis of the rotator to reduce motor load and gear wear and extend the life of the equipment..
When connecting the control line and RF cable, sufficient Drip Loop and rotation allowance must be reserved under the rotator to prevent the cable from being broken during rotation or rainwater flowing into the interface along the line. Apply a multi-layer wrap seal to all joints using self-adhesive waterproof tape..
Connect the rotator to the indoor controller/computer according to the wiring diagram, and confirm that the voltage (DC24V/AC220V) matches. After the initial power-on, perform the “zero calibration” procedure, the system will automatically find the mechanical zero position and synchronize the encoder data to ensure that the azimuth angle displayed by the software is consistent with the actual antenna pointing..
A soft stop is set in the control software to prevent the antenna rotation from pulling the cable too much. Set the appropriate acceleration and deceleration time according to the antenna weight. It is recommended to set the heavy-duty antenna to 3-5 seconds to achieve smooth start and stop and protect the mechanical structure..
A1: Our system can withstand wind speeds up to 50 m/s (about 16 super typhoon) without damage or passive rotation in a static locked state. In the operating state, it is recommended that the wind speed should not exceed 20 m/s (level 8 wind) to protect the safety of the antenna array and transmission gear.
A2: The selection mainly depends on two parameters: vertical load weight and wind bending moment. Please calculate the total weight of your antenna and bracket, and calculate the wind load torque according to the windward area of the antenna. A 30% performance margin is recommended. If you are not sure, please provide the antenna specifications, and the Bit-cctv engineer can calculate the selection for you free of charge.
A3: Our controller is compatible with common GS-232B and Pelco-D protocols. This means that it is compatible with almost all major satellite tracking software (such as Orbitron, HRD, N1MM) and security video management platforms. We also provide free testing and configuration software.
A4: No need. The Bit-cctv rotator has been filled with high-performance aviation-grade fully synthetic grease at the factory, and does not need to be opened for maintenance within the design life (usually more than 5 years). Dismantling without permission may damage the waterproof sealing ring and cause water to enter the equipment, thus losing the warranty qualification.
A5: For cabling more than 50 meters, we recommend using the RS-485 interface version or the fiber optic transceiver solution. The RS-485 supports a communication distance of up to 1200 meters and has strong anti-interference ability. If the traditional analog voltage control method is used, the long distance will cause voltage drop, which will affect the positioning accuracy.
A6: Certainly. Our standard version operates from -25°C to +60°C. For extremely cold regions (such as Russia and Canada),Bit-cctv provides a customized “polar version” with a built-in automatic temperature control heating module, which can start and operate normally at -40°C or even lower temperatures.
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