XT4500 can be used with 3 GPS tracking modes depending of your need: (sending SMS text messages with mobile phone, using the Xirgo Technologies online server, from an external tracking management platform "edit default IP/port"), XT4500 accept the follows communication protocols (SMS, UDP, TCP, FTP). Xirgo Technologies XT4500 by default has an plastic case without "IP" protection, if you need protect the mobile asset that has installed one XT4500 unit is highly recommended acquire the option that dispose (waterproof plastic case), with this protection you can working in extreme weather conditions. Xirgo Technologies include the (OTA - Over the Air) function in XT4500 GPS asset tracker, the (OTA) function allows firmware upgrade and change config parameters remotely without uninstalling XT4500 of your high value mobile asset. Xirgo Technologies XT4500 can be used for GPS asset tracking with self-energy or without self-energy, you can be used XT4500 connected directly to mobile asset (6-24VDC) or using the rechargeable batteries (650, 960, 6600 mAh) in "standalone GPS mode". XT4500 allows connect some external devices in his multiple "digital inputs and digital outputs", contact with Xirgo Technologies company to know if your external device is compatible with XT4500 GPS tracker.