Samson AirLine 99m AH9 Wireless UHF Fitness Headset System (K: 470 to 494 MHz)
Samson AWX Wind Instrument Micro Transmitter UHF Wireless System (D: 542 to 566 MHz)
Samson Concert 99 Presentation Frequency-Agile UHF Wireless System (K: 470-494 MHz)
Samson Concert 99 Earset Frequency-Agile UHF Wireless System (K: 470-494 MHz)