IP67 UHF/VHF PDT/Dmr Transmission Mode Video Audio Data Transmitter and Receiver
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.
Features
Flexible digital mode and analog mode switching
PDT/DMR multiple working modes
Supports up to 8 hops & 32 nodes
Easy channel configuration
Supports dual-band co-frequency relay
Supports 5 types of encryption
Supports GPS/Beidou satellite positioning
Working Band | UHF:400-480MHz VHF:136-174MHz |
Channel Quantity | 3773 each for UHF and VHF |
Channel Step | 12.5KHz |
Working Voltage | Vehicle-borne: AC220V/DC 13.8V(± 15%) Backpack: DC 10.8-12.6V |
Working Current | <7A |
Battery Capacity | 16.5Ah |
Frequency Stability | ±0.5ppm |
Antenna Impedance | 50Ohm |
Dimensions | 277×76×342mm |
Weight | ≤6.3KG (w/ Battery) |
Transmission Range | 50-70km (w/ Tower) |
Network Capacity | Up to 8 hops and 32 nodes |
Output Power | Vehicle-borne: 237dBm Backpack: 137dBm |
4FSK Modulation | 12.5kHz data only: 7K60FXD 12.5kHz data and voice: 7K60FXE |
Adjacent Channel Power | ≥60dB |
Spurious Emission | -36dBm<1ghz-30dbm>1GHz |
Digital Speech Coder | AMBE |
Sensitivity | 3%BER≤0.35µV |
Intermodulation | ≥70dB |
Adjacent Channel Selectivity | ≥60 dB |
Spurious Suppression | ≥70 dB |
Block | ≥90 db |
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 |
① LED Indicator
② Power Button
③ Network Indicator
④ ACC Accessory Interface
⑤ LAN Interface
⑥ Microphone Interface 1
⑦ Microphone Interface 2
⑧ Antenna Interface
① Battery Level Button
② Fuse
③ Butterfly Buckle
④ Battery Charging Interface
Zhongke Lianxun (Shenzhen) Co., Ltd was established in 2005. The company focuses on the research and development of products for drone defense/control, wireless video transmission, and network security encryption/decryption. It leverages the technical expertise of renowned university network security institutes. The company specializes in providing data encryption and decryption solutions as well as drone defense solutions for industries such as wind power, national power, oil and gas, firefighting, public security, road and bridge construction, and emergency management agencies.
We provide design and development services for internet big data collection and analysis products and application solutions to large enterprises and institutions with confidentiality needs. Additionally, we offer sales of network security equipment and information security technical services. Our products are widely used by law enforcement forces and government departments such as public security, armed police, , forest fire prevention, civil air defense, and maritime affairs.
Test Equipments