The ZKManet4271 is a portable MESH narrowband base station specifically engineered for emergency situations, enabling quick deployment. Constructed with an all-cast aluminum framework that adheres to -grade quality standards, this device is IP67 rated for dust and water resistance, making it suitable for a wide range of challenging field conditions while ensuring robust communication capabilities. It supports rapid deployment through a piggyback method and features self-organizing network co-frequency relaying, with the ability to automatically adjust transmission power based on varying configurations.
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Flexible digital mode and analog mode switching
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PDT/DMR multiple working modes
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Supports up to 8 hops & 32 nodes
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Easy channel configuration
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Supports dual-band co-frequency relay
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Supports 5 types of encryption
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Supports GPS/Beidou satellite positioning
- 1- LED Indicator for UHF
- 2- LED Indicator for VHF
- 3- Power Button
- 4- Network Indicator
- 5- ACC Accessory Interface
- 6- LAN Interface
- 7- Microphone Interface 1
- 8- Microphone Interface 2
- 9- Antenna Interface 1
- 10- Antenna Interface 2
- 1- Battery Level Button
- 2- Fuse
- 3- Butterfly Buckle
- 4- Battery Charging Interface
| Item | Parameters |
| 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 | 16.5Ah |
| Battery Life (5/5/90) | 21.4 Hours |
| Frequency Stability | ±0.5ppm |
| Antenna Impedance | 50Ohm |
| Transmission Range | 50-70km (w/ Tower) |
| Network Capacity | Up to 8 hops and 32 nodes |
| Output Power | 137dBm (Manpack) / 237dBm (Vehicle-borne) |
| 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 |
| Dustproof & Waterproof | IP67 |
| Dimensions | 302*218*76mm |
| Weight | ≤5KG (w/ Battery) |
Zhongke Lianxun (Shenzhen) Technology Co., Ltd. was established in 2005. We focus on the research and development of products for drone defense/control, wireless video transmission, and network security encryption/decryption. With excellent quality and advanced technology, we provide comprehensive network communication solutions to our customers.
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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