The Mastcom K680 is a professional 4G PoC radio designed for wide-area push-to-talk communication. With group call, single call, clear sound, record playback, GPS optional, Bluetooth optional, and a 4000mAh battery, K680 is suitable for security, logistics, property management, events, and field operations.




K680 is designed for practical wide-area communication, combining 4G PoC connectivity, clear audio, group coordination, and long battery life in a professional handheld radio.
Supports push-to-talk communication over 4G LTE networks, enabling teams to stay connected across cities, regions, and wide-area operations.
Built for efficient team coordination with group calling and single calling, helping users communicate quickly in daily dispatch and field operations.
Delivers loud and clear audio for reliable communication in busy environments such as security posts, logistics sites, events, and property management.
Equipped with a high-capacity 4000mAh battery to support long working shifts and reduce charging frequency during daily operations.
Supports record playback for communication review, making it easier to check key instructions, operation records, and important conversations.
Optional GPS and Bluetooth functions make K680 more flexible for fleet management, dispatch tracking, hands-free use, and professional field deployment.
Basic technical parameters of the Mastcom K680 4G PoC Radio.
| Basic Parameters | |
|---|---|
| EU Network Bands | GSM: Band 2 / 3 / 5 / 8 WCDMA: Band 1 / 2 / 5 / 8 TDD-LTE: Band 38 / 40 FDD-LTE: Band 1 / 2 / 3 / 5 / 7 / 8 / 20 / 28 |
| US Network Bands | GSM: Band 2 / 5 WCDMA: Band 1 / 2 / 4 / 5 / 8 FDD-LTE: Band 1 / 2 / 4 / 5 / 7 / 12 / 13 / 17 / 25 / 26 |
| Battery Capacity | 4000mAh |
| Battery Voltage | 3.7V |
| Power Dissipation | 3–15mA @ 3.8V, -99dBm |
| LTE FDD | 1 / 3 / 5 / 8 |
| LTE TDD | 34 / 38 / 39 / 40 / 41 |
| Standby Time | 36 hours depending on practical network |
| Audio Transmission | 2W @ 10% distortion |
| Working Temperature | -20℃ ~ 60℃ |
| Dimension | 105 × 53 × 32 mm |
| Weight | 280g |
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