Tag Archives :TT122 transmitter and receiver
What is the difference between the TT122 with other 2.4G system？
- Sep 19,2020
- Mia
- 0 Comments
- Product Introduction
From this blog, you will see the difference between TT122 and TT109 tour guide system, TT122 is your best choice now. If any questions, feel free to email us at support@retekess.com ...