Caltta Professional Digital Two-Way Radio DH680

The DH680 is a high-performance professional digital two-way radio meticulously developed by ZTE Caltta in compliance with PDR/DMR standards. It features rich intercom functions, excellent RF (Radio Frequency) performance, extensive frequency band support, simple and convenient operation, clear and loud audio, and long-lasting battery life, which can fully guarantee the communication demands of frontline personnel. The whole device adopts the classic two-way radio layout with screen/full numeric keypad interaction, a high-strength two-tone casing, a rugged alloy frame, and high-level waterproof sealing, ensuring durable operation in harsh outdoor environments. The DH680 will deliver a comprehensive digital communication experience for professional users and provide solid support for reliable communications.

It supports digital conventional standards (PDR/DMR), delivers high-quality digital conventional voice services, meets 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 increasing pressure of spectrum resource shortage. It supports automatic cross-site roaming and is expandable to support up to the Enhanced Conventional Site (ECS) virtual trunking capability.
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.
Professional ergonomic design for easy portability: The total weight of the device (including the antenna and standard battery) is only 310g, making it highly portable and lightweight. The casing adopts an anti-slip textured finish, delivering a comfortable grip that allows flexible operation even in humid and dirty environments.
Excellent RF performance: With carefully matched and optimized hardware circuits combined with an integrally formed helical antenna, the whole device boasts outstanding RF performance and higher receiving sensitivity, enabling longer-distance intercom communication connections.
Clear and loud audio: The meticulously optimized audio circuit and structural sound cavity design, paired with an excellent noise-canceling audio encoder, ensure loud sound while maximally restoring the fidelity of the user's voice. Even in noisy frontline environments, users can accurately identify the caller and clearly hear the call content.
Large battery capacity and long battery life: Equipped with a standard 2500mAh battery and combined with the power-saving design of digital technology, the terminal's working time is greatly extended to meet the long-hour work demands of frontline personnel.
Excellent human-machine interaction design: Based on the usage habits of professional customers, the deeply developed classic human-machine interaction process follows the operation and maintenance conventions of professional terminals, allowing professional customers to get started and operate skillfully quickly. Meanwhile, the adoption of components such as a high-volume speaker, large-size color LCD, full numeric keypad, and high-capacity battery helps professional customers use the device more smoothly, ensuring tasks can be completed successfully in various work scenarios.
Rich configurations and complete service functions: Optional configurations such as Bluetooth and BeiDou positioning are available to adapt to the usage demands of different industries and scenarios. It supports functions including vibration alert, caller location reporting, and five standard supplementary services, ensuring no missed calls and more convenient personnel management.
Rugged and reliable quality: The whole device meets the IP68 protection rating and is suitable for outdoor work. Multiple indicators including impact resistance, vibration resistance, and solar radiation resistance meet high-reliability standards, making it competent for various harsh working environments.