Caltta Digital Conventional Mobile Two-Way Radio DM660

The DM660 is a cost-effective digital conventional mobile two-way radio meticulously developed by ZTE Caltta in compliance with PDR/DMR standards. It features rich intercom functions, excellent RF (Radio Frequency) performance, diverse frequency band support, clear and loud audio, and simple and convenient operation, which can fully meet the frontline vehicle-mounted communication demands. The whole device is slim, compact and easy to install, adopting screen/navigation keypad interaction, a high-strength two-tone casing, a rugged alloy frame, high-level waterproof sealing, and vibration and shock resistance, ensuring durable operation in harsh vehicle-mounted environments. The DM660 will deliver a comprehensive vehicle-mounted digital communication experience for users, and provide solid support for reliable communication.

It supports the PDR/DMR digital conventional standards, delivers high-quality digital conventional voice services that meet the high-standard requirements for work communication, and can quickly respond to calls from professional customers anytime and anywhere. Compared with traditional analog technology, the dual-slot technology can provide double channel capacity, thus greatly alleviating the growing pressure of spectrum resource shortage.
Digital-analog compatibility to protect user investment: In addition to the digital conventional mode, it also supports the analog conventional mode, enabling it to operate in the user's existing network environment with stronger applicability. This feature protects the existing investment of professional customers and supports the smooth transition of professional customer networks.
Excellent RF performance: With carefully matched and optimized high-power vehicle-mounted RF circuits, the whole device boasts outstanding RF performance and higher receiving sensitivity, enabling longer-distance intercom communication connections.
Slim, lightweight, compact and efficient: With optimized structural design, the vehicle-mounted two-way radio features a slim body with a refined appearance. Adopting alloy profiles with high heat dissipation ratio, it is lightweight and compact. Through reasonable layout, the small-sized front panel of the vehicle-mounted radio integrates a full set of operation components including a high-definition color screen, function keypad, knobs and a speaker, providing an intuitive and efficient interaction solution.
Loud and clear audio: With meticulously optimized audio components and sound cavity, paired with an excellent audio encoder, it delivers high-power booming volume in a compact body while maximally restoring the fidelity of the user's voice. Even on noisy engineering vehicles, users can accurately identify the caller and the call content.
Rich service functions: In addition to supporting standard voice services and data services, it can continuously provide abundant supplementary services. The expansion of supplementary services enhances the practicability of the terminal and helps users carry out their work more efficiently.
Highly scalable external interfaces: Through the tail pin interface, users can expand and develop a variety of distinctive functions. In addition to traditional audio/PTT interfaces and serial ports, it is also equipped with rich extended functions such as ignition detection and GPIO control.
High level of security: The hardened real-time operating system and customized applications guarantee the security of the terminal. Customers can further obtain higher security performance through software-based voice/data encryption.
Rugged and reliable quality: The whole device meets the IP54 protection rating, withstands the test of high-frequency continuous vibration, and is suitable for vehicle-mounted installation and operation. Multiple indicators including impact resistance, vibration resistance, and solar radiation resistance meet high-reliability standards, making it competent for various harsh working environments.