Lectrosonics SMDB/E01-27 Super Mini Dual Battery Belt-Pack Transmitter (Block 27) 691.200 - 716.700 MHz Digital Hybrid Wireless™ Technology* (U.S. Patent #7,225,135) Power Output: SMDB: 50mW (E01) Membrane switch control panel with LCD display Wide input dynamic range DSP-based pilot tone signal Circulator/Isolator output stage Splash-proof, machined aluminum housing Corrosion-resistant, super-hard finish The input section features the unique servo bias input circuitry with a standard TA5M jack for use with electret lavalier mics, dynamic mics, or line-level signals. A DSP-controlled analog audio limiter is employed before the A/D converter. The limiter provides over 30 dB of range for excellent overload protection. With a dual release envelope, the limiter remains acoustically transparent, maintaining low distortion. It recovers quickly from brief transients and slowly from sustained high levels to keep distortion low while preserving short-term dynamics.