Summary / Reader Response Draft #1

The webpage “DJI Matrice 300 RTK commercial drone” from Avetics Global (n.d) advertises the Matrice 300 RTK drone. The drone is packed with many features, consisting of a transmission  system, enhanced flight performance and rugged design. The webpage “DJI Matrice 300 RTK commercial drone” (Avetics, n.d), mentioned that the transmission system on the DJI Matrice 300 RTK commercial drone is the latest OcuSync Enterprise (DJI enterprise, 2020). The transmission system enables transmission up to 15km away Aventics, n.d). The transmission system has real-time auto-switching between frequencies of 2.4GHz and 5.8 GHz (Aventics, n.d). For secure data transmission, the transmission system does AES-256 encryption (Aventics, n.d). Besides the transmission system,(the Matrice 300 RTK drone has a three propeller emergency landing system) the Matrice 300 RTK drone has a refined airframe and propulsion system (Aventics, n.d). According to the Matrice 300 RTK specification page (DJI, n.d), the drone has a maximum flight time of 55 minutes, 15 m/s wind resistance and 23m/s max speed. Apart from flight performance, the drone features IP45 ingress protection rating and an operating temperature of -20°C to 40 °C. (DJI, n.d). With the latest OcuSync Enterprise transmission system, refined airframe and propulsion system and rugged body design, the Matrice 300 RTK drone is a reliable and (safe) performant drone.

One such feature is the OcuSync Enterprise. OcuSync Enterprise ensures reliable transmission of data between the drone and operator. By having real-time switching between the 2.4GHz and 5.8GHz frequencies, the transmission system can avoid the already crowded 2.4GHz spectrum (K.S et al., 2020) in urban areas and utilise the underused 5.8GHz band.( 2.4ghz and 5.8ghz congestion). The 5.8Ghz band is an improvement over the 2.4Ghz band where it faces less congestion and thus lesser interferences and increase reliability. Over long distances, the 5.8Ghz frequency faces greater loss than the 2.4Ghz frequency ( 2.4ghz vs 5.8ghz distance). For long distances, the 2.4ghz frequency is stronger than the 5.8GHz frequency, making the 2.4GHz frequency more reliable than 5.8GHz frequency. OcuSync Enterprise transmission system can use the advantages of both 2.4GHz and 5.8GHz frequency to ensure reliable and smooth signal transmission.

The OcuSync Enterprise transmission system comes with AES-256 encryption. It is impossible to crack AES-256 (AES 256 is impossible to crack). No one will be able to hijack the controls of the drone with the uncrackable encryption of the transmission system. The transmission system allows only the intended operator to operate the drone.

A feature that makes the drone performant is the refined airframe and propulsion system. The propulsion system enables the drone to fly with a max speed of 23m/s. Compared with

A feature that makes the drone safe is the three propeller emergency landing system. When one of the four propeller fails, the Matrice 300 RTK drone will automatically enter the Three-Propeller Emergency Landing mode. The mode will first ensure stability of the drone before proceeding with a controlled descent to land. The system ensures the drone lands in a suitable location and also prevents damage to the Matrice 300 RTK drone and/or people.

The IP45 ingress protection rating of the Matrice 300 RTK drone provides protection for the drone during rainy weather. The rating certifies that the Matrice 300 RTK drone is being protected against any solid foreign object of 1.0mm and greater and water being splash against the drone from any direction. . The IP rating of the Matrice 300 RTK drone suggest that any tasks will not be interrupted by light and medium rain (just how weather resistant). 

References: 

Aventics.(n.d). DJI Matrice 300 RTK. https://www.avetics.com/dji-matrice-300-rtk?gclid=CjwKCAjwt7SWBhAnEiwAx8ZLai2nKfOhGEBuHchGSgFFTniFHMl5X3IhC28RUNdwrbFDL4GE0YGyRRoCyOkQAvD_BwE 

DJI.(2020, May 7). What you need to know about DJI’s newest industrial platform.https://enterprise-insights.dji.com/blog/matrice-300-top-9-features

DJI. (n.d). Specs. https://www.dji.com/sg/matrice-300/specs

Hays, Z., Richter, G., Berger, S., Baylis, C. & Marks, R.J .(2014). Alleviating airport WiFi congestion: An comparison of 2.4 GHz and 5 GHz WiFi usage and capabilities. https://ieeexplore.ieee.org.singaporetech.remotexs.co/document/7015885 

Dolińska, I., Jakubowski, M., and Masiukiewicz, A. Interference comparison in Wi-Fi 2.4 GHz and 5 GHz bands (2017). https://ieeexplore.ieee.org.singaporetech.remotexs.co/document/8024280   

Çabuk ,U. C., Tosun, M., Jacobsen, R.H & Dagdeviren, O. (2020) Path Loss Estimation of Air-to-Air Channels for FANETs over Rugged Terrains. https://ieeexplore.ieee.org.singaporetech.remotexs.co/document/9302160 

Rao, S.,  Mahto, D., Yadav, D., & Khan, D., (2017). The AES-256 Cryptosystem Resists Quantum Attacks. International Journal of Advanced Research in Computer Science. https://www.researchgate.net/profile/Sandeep-Rao-4/publication/316284124_The_AES-256_Cryptosystem_Resists_Quantum_Attacks/links/58f999200f7e9ba3ba4d22b1/The-AES-256-Cryptosystem-Resists-Quantum-Attacks.pdf?_sg%5B0%5D=started_experiment_milestone&origin=journalDetail 

Knisely .T, DJI Enterprise(2020, May 22). Just How Weather Resistant is the Matrice 300 RTK?. https://enterprise-insights.dji.com/blog/matrice-300-weather-resistance 

DJI Enterprise.(2020, September 4) Next Level Drone Safety: M300 RTK Three Propeller Emergency Landing. https://enterprise-insights.dji.com/blog/m300-rtk-three-propeller-emergency-landing 

Steel City Drones. (2020, Aug 7). DJI MATRICE 300 RTK | Extensive Test and Review. https://steelcityflightacademy.com/dji-matrice-300-rtk-extensive-test-and-review/


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