DSC 3G070 3g alarm communicator - No power supply/Battery What you see in the photos is exactly what you will receive. Note: The item will be shipped with the antennae inside the unit. Compatible with control panels that communicate using the Contact ID format Uses HSPA (3G) network for high-speed, reliable and low-cost communications to Sur-Gard I/II/III/IV receivers 4 on-board outputs (open collector) 4 on-board inputs Full event reporting Monitors the panel?s attempts to communicate to determine if cellular backup communications are necessary ULC passive line security levels P1-P3 (use in conjunction with compatible ULC dialer) *** PLEASE NOTE! Our store buys and sells a variety of new and used electronics, instruments, tools, antiques and many other items. We do our absolute best to thoroughly test all our merchandise and accurately describe and depict any flaw or defect we find. If you come across an issue that we have overlooked, please contact us - we will be happy to work with you to resolve the issue. *** We take our reputation seriously, we buy and sell online, so we understand the value of trust! If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction! Thanks for looking at our listing and supporting our small family business! SHELF: C