Yes, UHF (Ultra High Frequency) signals are still receivable today. Many television stations broadcast their signals over UHF frequencies, and most modern TVs come equipped with UHF tuners. However, the availability of UHF signals may vary depending on your location and the strength of the signal in your area. Additionally, with the rise of digital broadcasting, some UHF channels may have transitioned to digital signals, requiring a digital tuner or converter box to receive them. **

No, a UHF radio cannot receive VHF signals. UHF (Ultra High Frequency) radios operate on a different frequency range than VHF (Very High Frequency) signals. Each type of radio is designed to receive and transmit signals within its specific frequency range, so a UHF radio is not capable of picking up VHF signals. **

A mobile phone can be read with RFID (Radio Frequency Identification) by embedding an RFID tag or chip within the phone. This tag or chip contains information about the phone, such as its unique identification number or other relevant data. When the phone comes into proximity with an RFID reader, the reader emits radio waves that power the RFID tag and allow it to transmit its information to the reader. This information can then be used for various purposes, such as tracking inventory, authenticating the phone's identity, or facilitating contactless payments. **

RFID protection refers to measures taken to prevent unauthorized access to personal information stored on RFID (radio-frequency identification) chips. These chips are commonly found in credit cards, passports, and other forms of identification. RFID protection can be achieved through the use of special wallets, sleeves, or blocking materials that prevent the transmission of RFID signals, thus protecting sensitive information from being skimmed or stolen by unauthorized individuals. **

Credit cards, debit cards, and some identification cards have RFID functionality. These cards are embedded with a small chip that allows them to communicate wirelessly with a card reader when in close proximity. This technology enables contactless payments and quicker transactions, making it convenient for users. **

RFID technology is commonly found in credit cards, debit cards, and access cards. These cards have a small chip embedded in them that allows for contactless transactions or access to be made by simply waving or tapping the card near a card reader. Many modern credit and debit cards now come equipped with RFID technology for added convenience and security. **

RFID-blocking materials, such as certain types of fabric or metal, are designed to protect against RFID skimming and unauthorized scanning of RFID-enabled cards or devices. These materials work by blocking the radio waves used in RFID technology, preventing them from being read by scanners. Common examples of RFID-blocking materials include carbon fiber, aluminum, and certain types of synthetic fabrics. **

Without more specific information, it is difficult to determine if the RFID chip is broken. RFID chips can malfunction due to various reasons such as physical damage, interference, or software issues. It would be best to troubleshoot the RFID chip by checking for physical damage, ensuring it is properly powered, and verifying that the software and hardware components are functioning correctly. If these steps do not resolve the issue, it may be necessary to consult with the manufacturer or a technical expert for further assistance. **