Caltta Digital Two-Way Radio DH500

The DH500 is a cost-effective digital conventional two-way radio meticulously developed by ZTE Axon in accordance with PDR/DMR standards. It boasts a full range of intercom functions, excellent RF (Radio Frequency) performance, extensive frequency band support, simple and user-friendly operation, clear and loud audio output, and long-lasting battery life, which can fully meet the communication demands of frontline personnel. The entire device adopts the classic two-way radio layout, a high-strength dual-color body, a rugged alloy frame, and a high-grade waterproof seal, ensuring durable and reliable performance even in harsh environments. The DH500 delivers a comprehensive digital communication experience for users and provides solid support for dependable communications.

It supports digital conventional standards (direct mode / repeater mode) and delivers high-quality digital conventional voice services that meet the strict requirements of emergency communication, enabling it to quickly respond to calls from professional customers anytime and anywhere. Compared with traditional analog technology, the dual-slot technology can double the 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, which can operate in the user's existing network environment with stronger applicability. This design protects the existing investment of professional customers and supports the smooth transition of their communication networks.
Clear and Loud Audio
With carefully optimized audio design paired with an excellent audio encoder, it ensures loud sound output while maximizing the fidelity of the user's voice. Even in noisy environments, users can accurately identify the caller and clearly hear the call content.
Large Battery Capacity for Long Endurance
Adopting a large-capacity battery combined with the power-saving design of digital technology, the service life of the terminal is greatly extended, fully meeting the long-hour work demands of frontline personnel.
Excellent Human-Computer Interaction Design
Based on the usage habits of professional customers, the deeply developed human-computer interaction process follows the operation and maintenance mode of professional terminals, allowing professional customers to get started and operate skillfully quickly. Meanwhile, the adoption of components such as a high-volume speaker, the classic keypad-and-knob layout for screenless two-way radios, and a large-capacity battery further optimizes the user experience, helping professional customers complete tasks smoothly in various work scenarios.
Rich Service Functions
In addition to supporting standard voice services and data services, it continuously provides a wealth of supplementary services. The expansion of supplementary services enhances the practicality of the terminal and helps users carry out their work more efficiently.
High Level of Security
The hardened operating system and customized applications guarantee the security of the terminal. Professional customers can further enable authorized high-level software encryption to strongly encrypt voice communications, so as to obtain higher security performance.
Rugged and Reliable Quality
The whole device meets the IP67 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 all kinds of harsh working environments.