有关欧洲双通道通信设备TRETA的介绍资料,包括设备的参数规格,应用场景。 PUMA T3-plus is the latest SELEX Communications Dual Mode TETRA handheld developed on the basis of answering real users' requirements. Its rich set of features and new functions offer a complete set of TETRAservices to satisfy the highest demands of professional