- LED Indicator Display: This wireless-to-wired telephone box features 9 LED indicators that provide real-time feedback on signal strength and call status. Easily monitor your connection quality during important calls, ensuring a stable and reliable communication experience whether you’re conducting business or catching up with loved ones. - New Slot Upgrade: The upgraded slot design allows for easy visibility between the card and the chip, simplifying the process of checking your phone card's installation status. For Cato users, inserting and removing phone cards is effortless, saving you time and making card operations more efficient. - Automatic Step-Down Circuit: This phone box includes an automatic step-down circuit, allowing direct connection to a 12V power supply from your security alarm system. This feature eliminates the need for separate power adapters, streamlining setup and integrating the phone box seamlessly into your existing security and communication systems. - Standard DTMF Input: Equipped with standard DTMF input recognition, this product enhances caller ID functionality and reduces input errors. Each digit you enter during a call is accurately recognized, providing a more trustworthy communication experience. Use Scenarios: - Ideal for businesses that rely on consistent communication, this phone box ensures that you can make important calls without worrying about signal issues. - Perfect for home use, allowing family members to stay connected easily while monitoring the quality of their connection. - A reliable choice for security systems, integrating communication capabilities without the hassle of additional power supplies.