Retevis First Souvenir Edition-Hat

Retevis has released the first Souvenir Edition Retevis Hat.  Our colleagues Yolanda Guo and Cherry Xiao show the Retevis Hat for us!   Yolanda is a Amateurs, she has her callsigns and just passed the Exam of B Amateur radio. Cherry will have her callsign because she just passed the Exam of A Amateur radio. Recently,…