DJI Phantom 4 Pro/Pro+ (Model: Phantom 4 Pro/Pro+) – In-Depth Teardown & Specs Analysis [FCC ID SS3-GL300F1609]

Introduction

The DJI Phantom 4 Pro/Pro+ stands as a flagship in the world of consumer and professional drones, renowned for its advanced flight features, robust wireless capabilities, and intelligent safety systems. Engineered for aerial photography, video production, and demanding drone operations, the Phantom 4 Pro/Pro+ integrates sophisticated obstacle avoidance, high-speed data transmission, and intuitive controls, making it a top choice for creators and pilots alike.

A critical milestone in its journey to market is its FCC certification under FCC ID SS3-GL300F1609. This certification, though listed with no specific grant date, signals that the device has undergone rigorous testing to meet RF emission and electromagnetic interference standards set by the United States. This compliance is not only a legal requirement to sell and operate the drone in the US, but also an assurance of safety and reliability for end users.

In this article, we’ll dive deep into the Phantom 4 Pro/Pro+’s key features, technical specifications, and operating frequencies, before exploring its internal architecture through detailed teardown analysis of component images. We’ll also discuss regulatory insights from its FCC filings and highlight real-world use cases that exemplify the drone’s capabilities.

Key Features & Specifications

The DJI Phantom 4 Pro/Pro+ (Model: Phantom 4 Pro/Pro+) is engineered with professional-grade features designed to enhance flight reliability, usability, and data capture. Here’s an expert breakdown of its standout capabilities and technical specifications:

Key Features

• Return-to-Home (RTH) Button:
  Instantly commands the drone to return to its takeoff point, ensuring safety and convenience in case of signal loss or low battery.

• Automatic Flight Data Recording:
  The integrated Flight Recorder logs detailed flight parameters onto internal storage, aiding in diagnostics and flight review.

• Dual Frequency Video Downlink (2.4 GHz and 5.8 GHz):
  The remote controller supports both 2.4 GHz and 5.8 GHz bands, allowing users to optimize for either maximum range (2.4 GHz) or interference resistance (5.8 GHz), especially crucial in urban environments.

• DJI Intelligent Flight Battery:
  A high-capacity, 5870 mAh battery with smart charge/discharge management, auto-discharge for longevity, and balanced charging to ensure safety and optimal lifespan.

• TapFly Automatic Navigation:
  Enables pilots to simply tap a location on their connected device’s screen, prompting the drone to automatically chart and fly the optimal path.

• Vision Positioning System:
  Utilizes ultrasound and image data to maintain precise position and altitude, even indoors or where GPS signals are weak.

• Flight Mode Switch:
  Offers P-mode (Positioning), S-mode (Sport), and A-mode (Attitude) for flexible flight control, catering to both beginners and advanced pilots seeking manual control.

• Obstacle Sensing System:
  Actively detects and helps avoid obstacles, automatically adjusting the drone’s speed and path to prevent collisions, with optimal performance at speeds up to 14 m/s.

Technical Specifications

• Remote Controller:
• Supports both 2.4 GHz and 5.8 GHz frequencies for video and control signal transmission.

• Powered by a 2S rechargeable battery with a 6000 mAh capacity.

• Battery System:

• Aircraft Battery: DJI Intelligent Flight Battery, 5870 mAh, 15.2 V.
• Remote Controller Battery: 2S rechargeable, 6000 mAh.
• Auto-discharges to below 65% after 10 days of inactivity for optimal longevity.

• Charging only permitted between 5°C (41°F) and 40°C (104°F).

• Vision Positioning System:

• Effective altitude range: 0.3 to 10 meters, enabling stable hovering and precise landings.

• Speed & Performance:

• S-mode (Sport): Maximum speed of 20 m/s for high-velocity maneuvers.

• Obstacle sensing system optimized for speeds up to 14 m/s.

• Wireless & Connectivity:

• Wi-Fi: 5.8 GHz recommended for interference resistance in urban areas; 2.4 GHz preferred for maximum transmission distance in open environments.

• Bluetooth: Present (specific details not available in the current documentation).

• Camera:

• 39 Megapixel imaging capability, supporting high-resolution aerial photography and videography.

• Battery Management:

• Smart charge/discharge and balanced charging features protect battery health and extend operational life.

These features collectively position the Phantom 4 Pro/Pro+ as a robust, reliable solution for aerial imaging, mapping, and professional drone applications, balancing cutting-edge wireless technology with intelligent automation and safety systems.

Operating Frequencies

The Phantom 4 Pro/Pro+ (FCC ID SS3-GL300F1609) operates on the following frequency bands, as documented in its official FCC filing:

These frequency allocations and power levels are essential for understanding the drone’s wireless communication capabilities, including video downlink, telemetry, and control. The dual-band support ensures both extended range and robust performance in environments with varying levels of RF interference.

Technology Deep Dive

At the core of the Phantom 4 Pro/Pro+’s wireless prowess is its use of dual-band Wi-Fi technology, operating across both 2.4 GHz and 5.8 GHz frequency ranges. This duality allows pilots to seamlessly adapt to different environments—leveraging 2.4 GHz for extended range in open areas, and 5.8 GHz to combat interference in congested, urban locales. The presence of Bluetooth further hints at streamlined device pairing or potential accessory integration, although specific details are not outlined in the available documentation.

Operating within the specified FCC bands ensures the drone adheres to legal transmission power limits, balancing robust signal strength with minimal interference to other devices. The higher output power at 2.4 GHz supports long-range communication, vital for professional aerial operations, while the 5.8 GHz band, though lower in power, offers greater resistance to interference from ubiquitous consumer electronics.

The integration of advanced wireless SoCs and RF front-ends, as revealed in teardown imagery, underscores DJI’s commitment to low-latency, high-throughput video and telemetry transmission. Efficient power management, as evidenced by local regulation and smart battery systems, further optimizes operational endurance without compromising on performance or regulatory compliance.

In-Depth Internal Component Analysis / Teardown

Main Controller Housing and PCB

A detailed view of the Phantom 4 Pro/Pro+ controller’s internals reveals a densely populated, high-quality black PCB housed within a robust enclosure. The architecture showcases dual mechanical joystick assemblies with precision feedback mechanisms, surrounded by a suite of tactile switches and possible indicator LEDs. Central to the design are several shielded regions likely housing the main microcontroller or SoC, RF transceivers, and memory—critical for real-time radio control and video processing. The presence of multiple micro-coaxial connectors and robust battery wiring highlights careful attention to RF performance and power delivery. The multilayer PCB, with extensive vias and robust grounding, ensures signal integrity and electromagnetic compatibility. Overall, the assembly exemplifies DJI’s focus on durability, modularity, and regulatory compliance for high-performance drone control.

Wireless Communication Subsystem (Artosyn AR8001 SoC)

Examining a close-up of the PCB, the standout feature is the Artosyn AR8001 wireless communication SoC, integral to the drone’s high-speed video and data transmission. The component layout is compact, with fine-pitch traces and a rich array of passive elements ensuring optimal RF performance and signal integrity. The surrounding local power regulation, evident from numerous capacitors and inductors, supports the demanding power needs of the SoC. The black soldermask, via-rich multilayer design, and presence of probable impedance-controlled traces reflect a meticulous approach to minimizing noise and maximizing wireless throughput. This section is likely dedicated to real-time FPV video downlink and telemetry, a cornerstone for the Phantom 4 Pro/Pro+’s responsive and reliable remote operation.

Control/Communication Module PCB

A segment of the internal PCB showcases two major ICs—one likely a microcontroller or sensor interface, and another possibly a memory or main processor. The high-density, multilayer black PCB is engineered for robust signal transfer, with multiple ground vias and local power regulation. The presence of a black multi-pin connector at the top suggests modular interfacing for power, data, or antenna connections. Mechanical mounting holes indicate a design optimized for both stability and serviceability. The dense passive component population and possible oscillator further support the board’s role in real-time control or communication, underlining DJI’s sophisticated approach to integrating flight control, sensor data, and wireless links within a compact form factor.

Main Processing and RF Shielding Section

A densely populated PCB section reveals a large central QFP/LQFP package—presumably the main processor, microcontroller, or FPGA—surrounded by a mix of analog and digital components. The board’s multi-layer construction and high component density are complemented by a prominent metal shield can, which protects sensitive RF or analog circuitry from electromagnetic interference. Two large inductors and multiple ceramic capacitors indicate advanced switch-mode power supplies, supporting efficient voltage regulation critical for stable digital and RF operation. The presence of crystals and oscillators provides precise timing for processing and communication tasks. The gold-plated edge connector suggests modular board-to-board or antenna connections, reinforcing the design’s emphasis on reliability and easy assembly.

Regulatory Insights & FCC Filing

The FCC ID SS3-GL300F1609 certification confirms that the DJI Phantom 4 Pro/Pro+ meets stringent US standards for radio frequency (RF) emissions and electromagnetic compatibility (EMC). This regulatory approval, as registered by FCC.gov (with no specific grant date listed), is a legal prerequisite for US sales and deployment, ensuring the device will not cause or suffer from harmful interference in typical operating environments.

FCC filings typically encompass a comprehensive suite of technical documents, including RF exposure and EMC test reports, high-resolution internal and external photographs, user manuals, schematics, and block diagrams. These documents collectively detail the device’s wireless behavior, safety measures, and internal architecture.

Key insights from the available user manuals include:

• User-Manual-Part-2-3155817.pdf:
  Outlines advanced flight modes (TapFly, ActiveTrack), the Vision Positioning and Obstacle Sensing Systems, and best practices for safe, efficient operation.

• User-Manual-Part-3-3155818.pdf:
  Details operational procedures for the aircraft and remote controller, including LED indicators, device linking, camera/gimbal operation, and flight safety features.

• Uaer-Manial-Part-1-3155816.pdf:
  Provides comprehensive setup, operational, and safety instructions, with emphasis on camera controls, intelligent flight modes, and pre-flight checklists.

These regulatory documents underscore DJI’s commitment to transparency, safety, and adherence to legal requirements, while offering end users valuable operational guidance and technical assurance.

Potential Use Cases & Target Audience

The advanced capabilities of the Phantom 4 Pro/Pro+—from obstacle sensing and precise hovering to dual-frequency wireless links—make it a versatile tool for a range of demanding applications:

• Professional Aerial Photography & Cinematography:
  Leveraging its 39MP camera, intelligent flight modes, and real-time video downlink, the Phantom 4 Pro/Pro+ is ideal for filmmakers, real estate professionals, and surveyors seeking high-quality aerial imagery with minimal risk of collision, even in complex environments.

• Industrial Inspection & Mapping:
  The robust obstacle avoidance, Vision Positioning System, and long-range transmission enable safe and efficient inspection of infrastructure, agriculture, and construction sites—particularly where GPS signals are unreliable or obstacles abound.

• Enthusiast & Advanced Recreational Use:
  For tech-savvy hobbyists, the combination of S-mode speed, customizable controls, and comprehensive telemetry offers a platform for both high-performance flying and experimentation, supported by strong safety and reliability features.

Regardless of the specific application, the Phantom 4 Pro/Pro+ empowers users to operate confidently in diverse environments, with intelligent automation and regulatory compliance as foundational pillars.

Conclusion

The DJI Phantom 4 Pro/Pro+ (Model: Phantom 4 Pro/Pro+) exemplifies the fusion of advanced wireless engineering, intelligent automation, and robust safety systems in a professional-grade drone. Its FCC ID SS3-GL300F1609 certification assures users of its compliance with US regulatory standards for RF emissions, cementing its legal and technical credentials.

With its powerful dual-frequency communication, sophisticated internal architecture, and versatile flight features, the Phantom 4 Pro/Pro+ remains a benchmark in the drone industry—balancing innovation, reliability, and user-centric design for both professionals and serious enthusiasts.

Related Documents

• User Manual Part 2
• User Manual Part 3
• Uaer Manial Part 1
• Int Photos
• Ext Photos
• Fcc Id Label