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2. Video door-phone - Wikipedia

   en.wikipedia.org/wiki/Video_door-phone

   Video door entry consists of both outside and indoor elements: an outdoor panel on the outside, an electronic lock release, and an indoor monitor. The outdoor panel or street panel is installed beside the entrance door or gateway and incorporates different elements ready for use in any climate conditions: one or several pushbuttons to make the call (usually one per home or apartment), a micro ...

3. General Atomics MQ-1C Gray Eagle - Wikipedia

   en.wikipedia.org/wiki/General_Atomics_MQ-1C_Gray...

   In June 2015, soldiers performed an initial test and evaluation for the One System Remote Video Terminal (OSRVT), enabling ground forces to control a Gray Eagle's payload. The OSRVT is a portable system consisting of a radio transceiver, laptop, antennas, and software to communicate with the UAV and receive video and other data from it.

4. Smart doorbell - Wikipedia

   en.wikipedia.org/wiki/Smart_doorbell

   A smart doorbell is an internet-connected doorbell that notifies the home owner on his or her device (smartphone or any other gadget) when a visitor arrives at the door. It activates when the visitor presses the button of the doorbell, or alternatively, when the doorbell senses a visitor with its built-in motion sensors. The smart doorbell lets ...

5. Boeing MQ-25 Stingray - Wikipedia

   en.wikipedia.org/wiki/Boeing_MQ-25_Stingray

   In December 2020, Boeing released video showing the first flight of the MQ-25 with a Cobham aerial refueling store externally mounted. [20] MQ-25 T1 Stingray test aircraft takes off, 2021 MQ-25 T1 on aboard USS George H.W. Bush 2021. On 4 June 2021, the first refueling test was conducted, with the MQ-25 providing fuel to an F/A-18F Super Hornet.

6. Ring (company) - Wikipedia

   en.wikipedia.org/wiki/Ring_(company)

   A second-generation model, Ring Doorbell 2, was released in 2017, with updated hardware and a 1080p camera with improved low-light performance, that does not rely solely on Wi-Fi, unlike the original model. [44] The Ring Doorbell Pro interoperates with Amazon Alexa to play prerecorded greetings to visitors and allow visitors to leave a message ...

7. How small, cheap drones are helping Ukraine capture Russian ...

   www.aol.com/small-cheap-drones-helping-ukraine...

   A screengrab from video released by the Russian Ministry of Defense shows Russian forces launching an attack with a Lancet explosive drone on Ukrainian forces at the border area near Russia's ...