Kirisun S780 Professional Handy Talky 1500mAh Li-ion 350-390/400-470MHz DPMR Digital Handheld Walkie Talkie
Features
Advanced Technology and Hybrid Operation
The Kirisun S780 is a Kirisun digital radio that supports both digital and analog modes. This hybrid operation allows it to seamlessly share DPMR digital and analog repeaters, making it easy to build a system network. For example, a small to medium-sized manufacturing plant can use the S780 to communicate between production line workers, maintenance personnel, and management. The radio can connect to existing analog repeaters while also being compatible with newer digital infrastructure, facilitating a smooth transition. This dual-mode capability reduces the cost of constructing wireless communication systems, as businesses can gradually upgrade their existing equipment without a complete overhaul.
Superior Audio Quality in Noisy Environments
One of the standout features of the Kirisun S780 is its exceptional audio quality. The digital signal processing technology effectively suppresses background noise, ensuring clear and pure voice communication. In industries like construction or logistics, where noise levels can be high, the S780 enables workers to communicate effectively. For instance, on a construction site, foremen can coordinate tasks with workers operating heavy machinery without worrying about their commands being drowned out by the noise. The high-sensitivity signal receiver ensures reliable performance over long distances and in complex building structures, making it suitable for large-scale operations.
Durable and User-Friendly Design with Practical Features
The Kirisun walkie talkie S780 is built to last. Its rotating headphone cover plate and dust-proof headphone jack enhance durability. The rotating cover plate is designed to be resistant to breakage and loss, ensuring the headphone jack remains protected. This is particularly useful in harsh work environments where equipment is prone to damage. The intuitive interface and easy-to-use controls make it simple for users to operate, reducing the learning curve for new users. For example, in a hotel setting, front-desk staff can quickly learn to use the S780 to coordinate with housekeeping and maintenance teams, ensuring efficient operations.
Functions
- Chinese and English operation interface
- High and low transmission power optional
- Three-color LED indicator to indicate the status of sending, receiving, scanning, etc.
- Channel lock, keyboard lock function
- Whisper function
- Sub-audio/digital sub-audio
- Tail tone elimination
- Monitoring function
- Digital and analog mixed scanning
- TOT limited transmission protection
- Calculator
Accessories
- 1*Battery KB-760
- 1*Antenna
- 1*Lanyard
- 1*Back Clip
- 1*Charger
- 1*Power adaptor
- 1*Manual
Specifications
| General Specifications | |
| Frequency Range | 400–470 MHz |
| Number of Channels | 256 channels |
| Channel Spacing | 12.5 kHz |
| Operating Temperature | -25°C to +55°C |
| Antenna Impedance | 50 Ω |
| Microphone Impedance | 2.2 kΩ |
| Frequency Stability | ±2.5 ppm |
| Battery (Standard) | Model: KB-760, Lithium-ion, DC 7.4V ±20%, 1500mAh |
| Dimensions (L×W×H) | 116mm × 54mm × 28mm |
| Weight | 136g (without battery and antenna) / 240g (with battery and antenna) |
| Receiver Section | |
| Sensitivity | ≤ -121 dBm |
| Adjacent Channel Selectivity | ≥ 60 dB |
| Intermodulation Interference Resistance | ≥ 60 dB |
| Fake Signal Response | ≥ 60 dB |
| Audio Output Power | ≥ 1000mW (at 16Ω load, distortion < 5%) |
| Audio Response | +2 / -6 dB |
| Transmitter Section | |
| RF Power | 4W (High) / 1W (Low) |
| Modulation Modes | Digital: 4FSK / Analog: 11KΦF3E |
| Spurious and Harmonic Emission | ≤ -36 dBm |
| Signal-to-Noise Ratio | > 35 dB (Analog) |
| Audio Distortion | ≤ 5% |
| Modulation Limit | ±2.5 kHz |
| Modulation Characteristics | Analog: +2 / -6 dB |
