DMR digital radios version is too low, how to solve it? Digital radios with LCD screen can go through the path: menu-setting-radios information, view the radios version. Download the new firmware version through the download center to upgrade the firmware.

What steps should pay attention to when programming amateur radios manually? 1> Switch the radios to VFO mode to facilitate manual frequency input. 2> Set the receiving sub-tone and transmitting sub-tone through the menu command. 3> Enter the receiving frequency, and then enter the "cha......

What steps should pay attention to when programming DMR digital radios? 1> Read data to the radios. Turn on the radios, and connect the radios and computer USB port through the programming cable. 2>Edit transmitting contact, receiving group list, encryption function, alarm system, short mes......

What factors are related to the standby time of the radio? 1. Related to the transmission power. According to the actual communication distance, a reasonable choice of transmission power can effectively extend the battery standby time. 2. The dual-band amateur radios with dual watch function will......

What factors are related to the radios communication distance? 1. Related to the surrounding environment. Generally, the communication distance is the longest in the open plains, and the urban complex conditions (such as dense buildings, power cable facilities) are closer; the urban complex buil......

May 22, 2020 Baofeng UV-5RX3 | OCHEART Radio Options for 220 by Nicole Lan Currently the only repeater OCHEART operations are primary on is the WR6AAC Repeater on 224.220, not all the members have 220 capability at this time, so I thought I would do a comparison review of t......

From April 5th to 11th, the company’s deputy general manager Owen's team led a team to Cambodia to explore overseas markets.During this period, Owen have visited a general in Phnom Penh. And reached a strategic cooperation intention with it. It is planned to cooperate in the establishment of two re......