1. I was browsing Bilibili on the weekend and saw a post about a repeater station in Guangdong that was being used for "spotting" (identifying participants). An older gentleman was using a South Mountain walkie-talkie to identify people at the repeater station. After the communication ended, the main controller refused to record any communication initiated by him because he wasn't using a physical radio. Then, the old man started occupying the frequency and making outrageous claims, such as accusing other mobile phone users who couldn't afford radios of discrimination. Based on the comments, it seems this older gentleman is a repeat offender, frequently using his South Mountain walkie-talkie to "spot" people at other repeater stations.
2、Yesterday evening, I used the Chongqing-based repeater to listen in on the Chengdu local amateur radio club's repeater. As long as we could connect, there was no requirement to use physical radios. Several local ham operators in Chengdu were using South Mountain two-way radios to communicate, with a ham from Guangzhou also communicating through South Mountain. I eventually found out that South Mountain two-way radios were also used yesterday.