Your Trusted ICT Solutions & Services Partner
HarvestWell Digital Solusi partners with Caltta, a global leader in Professional Mobile Radio (PMR) communications, to deliver end-to-end radio communication products and solutions. Caltta serves 60+ countries and regions with over 5 million users worldwide.
Leveraging Caltta's comprehensive DMR, LTE, and PoC product portfolio, HarvestWell provides one-stop radio communication solutions — from terminals to network infrastructure, from narrowband to broadband — enabling field personnel to communicate efficiently, safely, and reliably.
DMR Digital Radio
Smart Multi-mode Radio
eChat PoC Radio
Click any solution below to explore detailed product line-ups, system architecture, and typical application scenarios.
A professional narrowband digital radio network based on the international DMR standard, supporting both Conventional (Tier II) and Trunking (Tier III) modes, from single-site to large-scale multi-site deployments. Dedicated frequency, private network — secure and reliable.
A broadband trunking private network based on 4G/5G LTE standards, delivering professional voice PTT alongside HD video transmission, real-time imagery, and map-based dispatch — meeting the multimedia communication demands of government, public safety, and transportation sectors.
The flagship converged solution integrating narrowband DMR and broadband LTE. DMR ensures nationwide voice coverage; LTE delivers multimedia capabilities in key areas. A unified core network enables cross-network interworking. Proven at the Beijing 2022 Winter Olympics, the 19th Asian Games, and 50+ cities.
A Push-to-Talk over Cellular platform running on carrier 3G/4G/5G/Wi-Fi networks. No dedicated frequency or private infrastructure needed — enabling nationwide or cross-border instant voice, location sharing, video, and dispatch. Scales from 2K to 10K+ users, with protocol-level DMR interworking.
Mobile emergency communication for disaster relief and major incident response, converging portable/vehicle-mounted base stations, broadband & narrowband Ad Hoc mesh, UAV aerial platforms, and satellite backhaul — establishing an independent command network in minutes without existing infrastructure.
A 400MHz Digital Radio communication system for Train Dispatching (DRTD) for railways and rail transit, providing "big-triangle / small-triangle" voice dispatch and uplink/downlink data transmission for dispatchers, station attendants, and train drivers — low construction cost, short project cycle, easy O&M.
Caltta offers a complete product line from terminals to network infrastructure, including portable radios, vehicle-mounted radios, dispatch consoles, LTE base stations, and emergency communication vehicles.