The SmartLink780 narrowband ad-hoc networking dual-channel fixed base station is built on a decentralized, self-organizing, multi-hop solution. It delivers voice, SMS, and positioning services, and supports simultaneous two-channel voice relay - enabling all-weather, long-distance ad-hoc wireless communications in complex scenarios without relying on wired transport networks or other communication devices.
Power-on ready, intelligent routing
Dual-channel concurrency, smooth communications
Standard protocols, strong compatibility
Lightweight and portable, easy to deploy
Dispatch & network management, remote control
Outdoor deployment, reliable and durable
| General | |
| Radio Mode | PDT/DMR Conventional |
| Frequency Range | UHF3: 350‑400MHz |
| Channel Spacing | 12.5KHz |
| Operating Bandwidth | Dual‑channel 2×12.5KHz |
| Max. Ad‑hoc Networking Nodes | 32 nodes |
| Dimensions (H×W×D) | 362×203×122mm |
| Weight | Approx. 7.0Kg |
| Power Supply | DC12‑18V; supports external power adapter, external solar power system, and external battery |
| Positioning | Supports BeiDou positioning |
| 4G Wireless Link | Optional support |
| Module Expansion | Optional support |
| Digital Vocoder | NVOC |
| Transmitter | |
| Frequency Stability | ±0.5ppm |
| Output Power | 1‑25W per channel, both channels continuously adjustable |
| 4FSK Digital Modulation | 12.5KHz Voice: 7K60FXE 12.5KHz Data: K60FXD 12.5KHz Voice & Data: 7K60FXW |
| Conducted/Radiated Emission | ‑36 dBm ≤1GHz; ‑30 dBm >1GHz |
| Modulation Frequency Deviation Limit | ±2.5KHz @12.5KHz |
| Adjacent Channel Power | ‑60 dB@12.5KHz |
| Hum & Noise | ‑40 dB@12.5KHz |
| Audio Distortion | ≤3% |
| Audio Response | +1 ~ ‑3dB |
| Receiver | |
| Frequency Stability | ±0.5ppm |
| Sensitivity (Digital Typical) | 0.18μV (5% BER) |
| Intermodulation | 75 dB (TIA603D); 70 dB (ETSI) |
| Adjacent Channel Selectivity | 65 dB@12.5 kHz (TIA603D) 65 dB@12.5 kHz (ETSI) |
| Spurious Response | 80 dB (TIA603D); 80 dB (ETSI) |
| Blocking | 98 dB (TIA603D); 95 dB (ETSI) |
| Audio Distortion | ≤3% |
| Hum & Noise | ‑40 dB@12.5KHz |
| Conducted Spurious Emission | ‑57 dBm |
| Audio Response | +1 ~ ‑3dB |
| Environmental | |
| Operating Temperature | ‑40℃ ~ +60℃ |
| Storage Temperature | ‑50℃ ~ +85℃ |
| Water & Dust Resistance | IP67 |
| Reliability | Per GJB 150A‑2009 standard |
| GPS | |
| For long‑term tracking (95% value at rated >‑130dBm signal strength with 5 satellites visible) | |
| TTFF (Time To First Fix)‑Cold Start | < 60s |
| TTFF (Time To First Fix)‑Hot Start | < 10s |
| Horizontal Accuracy | < 10m |
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Ready to Talk to One of the Caltta Experts?
Tel: +86-0755-86556659
E-mail: sales@caltta.com
12F, Building G2, International E-City, Nanshan, Shenzhen, China
+86-0755-86556659
