Yes, the hard drives from Synology DS213 are compatible with Synology DS218j. Both models use the same type of hard drives, so you can transfer the hard drives from DS213 to DS218j without any issues. However, it is always recommended to check the compatibility list on Synology's website to ensure that the specific hard drives you have are supported by the DS218j model. **

The choice between Synology and WD My Cloud depends on your specific needs. Synology offers a wider range of features and customization options, making it a better choice for advanced users or businesses. On the other hand, WD My Cloud is more user-friendly and straightforward, making it a good option for those who prioritize simplicity and ease of use. Consider your technical expertise and the specific features you need when making your decision. **

Yes, it is possible to exchange a device without its accessories. However, it is important to check the exchange policy of the retailer or manufacturer from whom you purchased the device. Some may require the return of all original accessories, while others may allow for the exchange of just the device itself. It is best to contact the customer service department of the retailer or manufacturer to clarify their specific exchange policy. **

You will need to obtain a license from the Federal Communications Commission (FCC) in order to operate a radio device. The specific type of license required will depend on the frequency and power output of the device. It is important to ensure that you have the appropriate license to avoid any legal issues while using the radio device. **

A Synology NAS 2 is a network-attached storage device designed by Synology Inc. It is a compact and efficient storage solution that allows users to store and access their data from multiple devices over a network. The NAS 2 typically comes with two drive bays, allowing users to set up a RAID configuration for data redundancy and increased storage capacity. It also offers a range of features such as data backup, file sharing, media streaming, and remote access, making it a versatile and reliable storage solution for home or small business use. **

A Synology DNS Server is a network server that is designed to manage and resolve domain names to IP addresses within a local network. It allows devices within the network to easily communicate with each other and access the internet by translating human-readable domain names into machine-readable IP addresses. The Synology DNS Server also provides features such as domain name caching, forwarding, and zone management, making it a valuable tool for network administrators to ensure smooth and efficient network operations. **

The choice of which Synology NAS is better suited depends on the specific needs and requirements of the user. If the user needs a more powerful and high-performance NAS for demanding tasks such as 4K video editing, virtualization, or large-scale data storage, then a higher-end model like the Synology DS1621xs+ or DS1821+ would be better suited. On the other hand, if the user has more basic storage and backup needs for home or small office use, a more affordable and entry-level model like the Synology DS220+ or DS420+ would be a better fit. It's important to consider factors such as storage capacity, processing power, and budget when choosing the right Synology NAS. **

You are looking for a surveillance camera that offers high-definition video quality, night vision, motion detection, and two-way audio. It should also have a mobile app for remote viewing and control, as well as cloud storage for video recordings. Additionally, consider a camera with a wide viewing angle and weatherproof design if you plan to use it outdoors. Finally, ensure that the camera offers encryption and secure login to protect your privacy and data. **