WM Watertight UHF Transmitter.  Designed for wet or dusty environments, the WM transmitter features O-ring sealed battery compartments and input jack, a compression sealed antenna port and gasket sealed control panel and back cover.  Dual AA batteries provide twice the operating time of earlier watertight transmitter designs.  Larger membrane switches and control panel and a highly visible, backlit LCD enhance the user interface.

Features include:

• Selectable output power to maximize battery life or operating range
  
• Machined aluminum, corrosion resistant housing
  
• Water resistant seals for use in wet environments
  
• LCD interface with lockout option
  
• Programmable compatibility modes for use with a wide variety of different receivers
  
• Servo Bias input circuitry with selectable voltage

Available Options:
Frequency Block	Block 19, 486.400 to 511.900 MHzBlock 20, 512.000 to 537.500 MHzBlock 21, 537.600 to 563.100 MHzBlock 22, 563.200 to 588.700 MHzBlock 23, 588.800 to 614.300 MHzBlock 24, 614.400 to 639.900 MHzBlock 25, 640.000 to 665.500 MHzBlock 26, 665.600 to 691.100 MHzBlock 470, 470.100 to 495.600 MHz