Lifetime Free POC Radio: The POC radio comes with a re-paid sim card (1 year limited), and POC account usage fees for lifetime. After 1 Year, you can renew the sim card on KSUN website by yourself. Wide Range of Applications: The intercom utilizes a 4G network with a range of over 5,000 miles. Particularly suitable for fleets, logistics, security, trekking and other populations. LED Screen Display: This POC Global Walkie Talkie features a large screen and compact body. You can see group, power and other information on the screen for quick access and intercom. 4800 mAh Rechargeable Battery: The walkie-talkie has a high-capacity battery for 2 to 3 days of outdoor operation, so you can keep talking without interruption. Important Notice: By default, POC radios are capable of intercom between two units. If you purchase more than 2 units, you need to send us the group names on the screen (such as "ct1p001") via Message. We will help you to put all the devices in a group so that you can intercom. KSUN CT1plus