The multi cooker, Multi-function:Meat,Beef,Pizza,Fish,Steak,Frying, Cheese,Slow cook,Soup,Rice,cake ,Porridge,Steam
To help you buy a Pressure Cooker, here are six tips to help you choose an electric pressure cooker: Digital Multi Cooker,Multi Pressure Cooker,Multi Cooker 9 In 1,Multi Cooker And Steamer Shenzhen Ewong Technology CO.LTD , https://www.ewongteches.com
It is suitable for applications in non-accessible and blocked environments such as urban areas, suburbs, and buildings, and exhibits excellent “diffraction†and “penetration†capabilities.
Suitable for high-speed mobile transmission, can be applied to vehicles, ships, helicopters / drones and other platforms.
COFDM equipment, which does not require any additional devices, can achieve fixed-mobile, mobile-mobile use, is ideal for installation on vehicles, ships, helicopters / drones and other mobile platforms. Not only does the transmission have high reliability, but as compared with the above solutions, there is no need to configure additional "servo stabilization" devices.
Because of its advantages, customers often ask questions. How far can it be transmitted? Leian staff often speak about the environment. Because the environment is different, the shielding medium is different and the distance that can be transmitted is different. So field testing is also very necessary.
In general, these product lines are the basic functions of testing, testing the transmission of video. If the customer has a request for two-way voice, two-way control, and other transmissions, as long as the video is OK, then these two items are completely okay. But because these are extra features that need to be customized, they cannot be used for testing. 
1. The selection of electric pressure cooker can be determined according to personal preferences. The control mode of mechanical electric pressure cooker is different from that of microcomputer electric pressure cooker, but the use effect is exactly the same. The former has complex operation and the latter is convenient and intuitive, but the price is high.
2. The size of the population should be taken into account when selecting the electric pressure cooker. Families with 2-3 people should choose 4 liters, families with 3-5 people should choose 5 liters, and families with more than 6 people should choose 6 liters or 8 liters.
3. In terms of performance, focus on checking whether the inner pot is in good contact with the electric heating plate and whether the power on and heating are normal. In addition, check whether the function switch and touch button are normal. The rotary regulator and timer shall operate freely, the heating and thermal insulation indicator lights shall be on and off accordingly, and the timer can shut down automatically after the countdown is completed. The power cord and power plug shall be well insulated without oxidation and corrosion.
4. The performance of the safety device of electric pressure cooker is very important, because the safety performance directly affects its performance. First, check that the sealing ring of the pot cover should be free of deformation and cracking. Insert the pot cover into the pot body port, rotate the pot cover handle clockwise to the positioning position, and the pot cover should be well sealed. Check that the installation of float valve, exhaust valve, safety valve and anti blocking cover shall be firm and reliable, and the external metal surface shall be bright without oxidation and corrosion. Finally, fill the water and power on the test pot, heat it to the predetermined temperature, the exhaust valve can exhaust normally, and the timer can shut down automatically.
5. Whether the instructions, relevant signs and safety tips are complete or not represents the responsibility of the enterprise and can ensure the correct and safe use of consumers. Therefore, this inspection should not be neglected.
6. Products that have passed 3C certification shall be purchased. The quality of the certified electric pressure cooker is guaranteed, the electrical performance is qualified, and the after-sales service is in place. Jiuyang, Midea and SUPOR are recommended. The quality is relatively guaranteed. The price can be between 200 and 400. It is better to choose one pot with double tanks or stainless steel tanks
How much distance can the mobile transmission equipment be able to transmit?
Coded orthogonal frequency division multiplexing (COFDM) is an acronym that encodes orthogonal frequency division multiplexing. It is a high-speed transmission technology in the wireless environment and is currently the world's first JIN and the most promising modulation technology. The main idea of ​​OFDM technology is to divide a given channel into many orthogonal sub-channels in the frequency domain, use one sub-carrier for modulation on each sub-channel, and transmit each sub-carrier in parallel. Thus, although the total channel is non-flat and frequency selective, each sub-channel is relatively flat. Narrow-band transmission is performed on each sub-channel, and the signal bandwidth is less than the corresponding bandwidth of the channel. Therefore, the signal waveform can be greatly eliminated. Interference.