Product Description
Sonice SC-828 —30-Stage Relay Cascade Walkie-talkie
This Tunnel Two-Way Radio supports 30-stage relay cascade. Featuring anti-interference performance, it delivers stable long-range signals. Ideal for tunnels, basements and construction sites with reliable clear audio. Up to 16 hours runtime with multi-language voice prompts.
Key Highlights:
– VHF 136–174MHz / UHF 400–480MHz | 16 Channels
– 30-Stage Relay Cascade
– Anti-Interference Communication
– Stable Long-Range Signal
– 2800mAh battery | Up to 16h talk time | ≥30h standby
Technical Specifications
| Frequency Range | VHF 136-174MHz / UHF 400-480MHz |
| Power Output | 10W / 1W |
| Battery Capacity | 2800mAh |
| Channel Capacity | 16 channels |
| Mode | Analog |
| Operating Voltage | 7.4V DC |