Lectrosonics ZS-LRHMa-A1, Set with HMa plug-on transmitter and mobile LR receiver in Digital Hybrid technology, Digital Hybrid Wireless Audio System for compander-free digital quality, Frequency range (A1): 470,100 - 537, 575 MHz, Adjustable frequency steps: 25 kHz / 100 kHz, Includes zippered carrying bag, camera hot shoe adapter, TA3F to XLR male cable, TA3F to 3.6 mm TRS jack cable and 4 AA batteries@+*HMa transmitter:*@+@+, Digital hybrid/UHF plug-on transmitter for microphone and line level sources., Connection: XLR, Phantom power: Off, 5 V, 15 V, 48 V, Selectable transmitting power: 25 / 50 mW, USB connection for firmware updates, Optional smartphone app for Android and iOS for remote control (not included), Dimensions (H x W x D): 42 x 108 x 35 mm, Weight (without batteries): 190 g@+*LR receiver:*@+@+, Digital hybrid wireless compact receiver, Front-end filter for blocking interference, LCD with RF spectrum scanning and automatic frequency assignment, DSP-based pilot tone for squelch control, USB port for firmware updates, Output: TA3 mini XLR, Dimensions (H x W x D): 82 x 62 x 21 mm, Weight (with batteries and antennas): 221 g