The Sony DWM02/42 Digital Wireless Handheld Transmitter provides a choice of 1, 10, or 50 mW RF output. The transmitter operates for approximately 5 hours using 2 AA size alkaline batteries at 10 mW output power. Transmitter functions, including input attenuator, RF frequency selection, RF power output, audio LCF frequency, and a power sleep mode (in the transmitter), can be remotely controlled from the digital wireless receiver.
Digital wireless handheld transmitter for use with optional interchangeable microphone capsules
Audio and metadata transmission operates on UHF-TV channels 42 to 51 (638 to 698 MHz)
Transmitter settings can be remotely controlled from the digital wireless receiver (using 2.4 GHz IEEE802.15.4 communication technology)
5 hour battery life using 2 AA alkaline batteries @ 10 mW power setting