Came here because I saw a video of Lewis with you. And I saw Lewis on a video With Martin Zero and last week I saw Martin with 2 guys on a narrowboat all on RU-vid. Very nice all those videos Like what you´re doing with all the hamstuff aswell as I like the cooperation with Lewis. This is also very instructive and I already told my friends about these videos. Don´t know if they have seen them . Greetz and 73´s from the Netherlands PD0FSH/Fred
Here is the link. They were from amazon Proster Mini Walkie Talkie 2 PCS Rechargeable 16 Channel Lock Vox Handsfree Ski Walkie Talkies for Kids Adults www.amazon.co.uk/dp/B07TFC8WR8/ref=cm_sw_r_cp_api_i_3Vo6Db7WSP23H
You can use the Retevis RT15's software ... blog.retevis.com/index.php/rt15-radio-another-short-radio-is-coming/ ( link in the blog response ). The RT15 version might not have the loud audio issue but cost ~USD10.00 more.