MCCTV Security & Surveillance System Solution News From CCTUNG — 4G Mobile cam

NFC is based on RFID technology but has a much lower transmission range.

Pubblicato da JiangDavid il

NFC is based on RFID technology but has a much lower transmission range.

The key distinction between RFID and NFC lies in their transmission ranges — the former is often used over longer distances. For example, some regions automatically collect road tolls through RFID. Tags are usually affixed to vehicle windshields, allowing you to drive past toll booths at low speeds. Communication can take place over even longer distances (think a hundred feet or more) if the RFID tag is equipped with a power source. NFC, however, only has a maximum range of a few centimeters, at most. And in most smartphone-related applications, you’ll find that the software will only initiate communication if...

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What types of spy cameras are there?

Pubblicato da JiangDavid il

What types of spy cameras are there?

What types of spy cameras are there?As you can see above, there are many types of spy cameras that look like everyday utensils. Spy cams are made in many different models such as a pen, key ring, USB stick, watch, and even glasses. View our wide range and see which spy camera you can use best. After all, that depends on what and where you want to film. For example, in a bedroom, you can place a spy alarm clock or spy alarm clock, while a power bank with a hidden camera is more suitable for the living room or...

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How To Track A car - using several GPS technologies to locate people and vehicles

Pubblicato da JiangDavid il

How To Track A car - using several GPS technologies to locate people and vehicles

How to Track a Car. Americans have honed their abilities in locating and finding things since the dawn of time. From finding food, water and safe places to live to finding the best deals and now, going high tech finding where your car is right now. In Times past, we would use word of mouth to find things, the best place to wait for a small dinosaur for lunch was easily conveyed. It'd be difficult today on an America filled with asphalt roads and millions of cars to just point and say “wait there it’ll come by eventually” and bring...

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