The ZKManet4271 is specially designed for rapid deployment on the scene of public security, armed police, army, civil air defense, emergency response office, government public security and other departments. It adopts durable IP67 standard suits various harsh conditions such as outdoor erection and vehicle carrying. The whole device is made of cast aluminum body, which is good for heat dissipation and can adapt to almost 100% working environment The portable design is suitable for vehicle or backpack use. It can be used with ZKManet4371D narrowband portable base station, and can also be used independently. The unique relay function design can achieve the purpose of hierarchical networking, hierarchical command, and extending communication distance.
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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) Co.,Ltd has multiple patents with independent intellectual property rights, has established a sound quality system and national standard system that comply with ISO9001 standards, and strictly produces products in accordance with national standards and internationally recognized standards such as CCC, CE, FCC, etc. It has obtained the Radio Transmission Equipment Model Approval Certificate issued by the Ministry of Industry and Information Technology of China and has passed the wireless product testing certification of the Ministry of Public Security.
We are 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 non combat 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.
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