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WRT-822B/67 Beltpack Transmitter
The WRT-822B/67 transmitter is designed to be used with Sony ECM miniature microphones and WL-800 receivers. It is a compact and robust unit that can be easily concealed in clothing and has a strong magnesium alloy body. WRT-822B/67 operates on TV bands 67 to 69, and it can operate for up to six hours on a pair of AA batteries.
Ultra reliable performance
Several key technologies have been ulitised in the WRT-822B to ensure stable performance, including a Pilot tone and battery alarm.
Flexibility and simple operation
The WRT-822B has been designed for the real world environment, for use by freelancers and those with hostile radio frequency interference. The transmitter is simple to control and contains pre-programmed frequency group allowing it to be quickly set up.
Low running costs
The WRT-822B uses standard two AA batteries and it features an internal DC/DC converter, in addition the system's 'low battery' alarm is monitored by the receiver. These features extend the typical battery life, up to six hours from a single set, so producing an impressive cost saving when compared to other wireless microphone systems.
Sony WRT-822B/67 Belt-pack wireless microphone transmitter operating
The WRT-822B uses a synthesiser phase locked loop to achieve high performance and flexible operation.