Retekess TT105 Wireless Tour Guide System 2 TX with 38 RX with 40 Port Charging case astrophotography camera every time noisy and crowded

every time noisy and crowded

pair the pager with all the keypads

With the high transmission (close to 100% at the center wavelength)

4000 Channels(250 Zones

Retekess TT105 Wireless Tour Guide System 2 TX with 38 RX with 40 Port Charging case astrophotography camera every time noisy and crowdedRetekess TT105 Wireless Tour Guide System 2 TX with 38 RX with 40 Port Charging case. Retekess TT105 tour guide system with 2 transmitters and 30 receivers with one 32 port charging case Function: Transmit frequency 2400 2480 MHz; Real digital transmit; It is free use all over the world, no need to worry about the license thing. 50 channels It can work for 50 groups in one place, just keep them in a different channels. Working with unlimited Receivers