Lectrosonics SRc A1, Digital Hybrid/UHF Dual Camera Slot-In Receiver, Digital Hybrid wireless audio for compander-free digital quality, Camera Slot/ Stand Alone/ DuoPack/ Superslot mounting possible, Dual receiver design for two channels with phase-switched diversity or one channel with ratio diversity operation, Frequency range (A1): 470.100 - 537.575 MHz, Different compatibility modes for use with earlier transmitters, IFB mode, Tracking front-end filter to block interferences, Adjustable frequency steps: 25 kHz / 100 kHz, LCD with RF spectrum scanning and automatic frequency assignment, SmartTune for fast and safe frequency assignment, DSP-based pilot tone for squelch control, Dimensions (H x W x D): 125 x 74 x 31 mm, Weight: 225 g, Incl. 2 antennas and adjustment tool/screwdriver