The ZKManet4371D is a MESH narrowband portable base station specially designed to deal with emergencies and realize rapid deployment. The whole device is designed with all-cast aluminum structure according to the quality requirements of standard, which meets the requirements of IP67 dustproof and waterproof, and can adapt to various harsh working field environments and meet the needs of high-strength communication. The device supports the piggyback fast deployment method, supports the self-organized network co-frequency relay, and adaptively adjusts the transmit power according to different configurations. 1 Flexible digital mode and analog mode switching
2 PDT/DMR multiple working modes
3 Supports up to 8 hops & 32 nodes
4 Easy channel configuration
5 Supports dual-band co-frequency relay
6 Supports 5 types of encryption (XOR, Enhanced XOR, ARC4, AES256, Dynamic)
7 Supports GPS/BBD satellite positioning
| Working Band | VHF:136-174MHz
UHF:400-480MHz
UHF2:450-520MHz
UHF3:350-400MHz |
| Channel Quantity | 3773 |
| Area | Level 1 area: 4 Level 2 area: 1000 Level 3 area: 1000 |
| Channel Step | 12.5KHz/25KHz |
| Working Voltage | 10.8~12.6V |
| Battery Capacity | 16.5A |
| Battery Life (5/5/90) | 21.4 Hours |
| Frequency Stability | ±0.5ppm |
| Antenna Impedance | 50Ω |
| Dimensions | 302(L)*218(W)*76(H)mm |
| Weight | ≤5KG (w/ Battery) |
| Transmission Range | 50-70km (w/ Tower) |
| Network Capacity | Up to 8 hops and 32 nodes |
| Output Power | 3-137dBm |
| 4FSK Modulation | 12.5kHz data only: 7K60FXD 12.5kHz data and voice: 7K60FXE |
| FM Modulation | 12.5 kHz:8K50F3E
25 kHz:16K0F3E |
| Modulation Limit | ±2.5kHz@12.5kHz
±5.0kHz@25kHz |
| Emission Spurs | -36dBm<1ghz -30dbm="">1GHz |
| Adjacent Channel Power | ≤-60dB |
| Sensitivity | 3%BER≤0.35µV |
| Intermodulation | 60 dB |
| Adjacent Channel Selectivity | 60 dB |
| Spurious Suppression | 70 dB |
| Block | 90 dB |
| Conducted Radiation | -57dBm |
| GPS Positioning Accuracy | Horizontal≤10m (Good signal conditions) |
| TTFF (First Fix) Cold Start | <1 minute (Good signal conditions) |
| TTFF (First Fix) Hot Start | <10 seconds (Good signal conditions) |
| Working Temp. | -30ºC-+70ºC |
| Storage Temp. | -40ºC-+85ºC |
| Moisture Proof | MIL-STD-810C/D/E/F |
| Shock and Vibration Proof | MIL-STD-810C/D/E/F |
| IP Rating | IP67 |
Zhongke Lianxun (Shenzhen) Technology Co., Ltd is a high-tech R&D enterprise. Our products mainly use Mesh and LTE as core technologies and auxiliary decision-making software to form underground building emergency communication systems, and police investigation communication systems, and police noncombat training communication systems, urban emergency communication systems, emergency communication vehicle communication systems, etc., suitable for law enforcement forces and government departments such as public security, armed police, , forest fire prevention, civil air defense, and maritime. Especially the intelligent communication products of special robots have solved the long-distance communication and control problems of robots in complex environments.
We hold several patents with independent intellectual property rights and have developed a robust quality management system that adheres to ISO9001 standards, as well as national standards. Our production processes strictly follow these national guidelines and internationally recognized standards, including CCC, CE, and FCC. Additionally, we have received the Radio Transmission Equipment Model Approval Certificate from the Ministry of Industry and Information Technology of China and have successfully completed wireless product testing certification by the Ministry of Public Security.
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