MOTOTRBO DP4801 is one of the most important digital handheld intercom products launched by Motorola in the second half of 2012. From the perspective of indicators, DP4801 has the following three advantages: firstly, compared to other digital walkie talkie products in the 400-470MHz frequency band, DP4801 provides a wider frequency range of 403-527MHz, with a wider range of applications. Secondly, 0.19 μ The digital reception sensitivity of V is 0.3 compared to previous products μ V receiving sensitivity, larger coverage range. Thirdly, the GPS horizontal positioning accuracy is 5 meters, making positioning more accurate.