It uses infrared technology
LTWFITTING Flare 1/2" OD x 1/4" Female NPT Female Connector Tube Fitting(Pack of 5)
0dBi) Frequency 400-470Mhz 136-174Mhz 144/430Mhz 144/430Mhz Maximum Power Input- watts 150W 150W 150W 100W Connector NMO NMO NMO NMO to PL259 NMO to PL259 NMO Antenna length 6
Screw Quantity : 14
Only for iPad Pro 12
Pair of Lavalier Lapel Mics w/ 4 pin Mini XLR TA4F for Shure Wireless auspowers_batchtwo It uses infrared technologyPair of Lavalier Lapel Mics w 4 pin Mini XLR TA4F for Shure Wireless This lavalier lapel mic is compact, miniature, broadcast quality condenser lavalier microphone. Detachable tie clip allows easy mounting, offering flexibility, ease and comfort to the user. It provides flat, smooth frequency response and wide dynamic range. The connector is 4 pin mini XLR TA4F and compatible with Shure transmitters: L1, LX1, SC1, U1, UC1, UT1, T1, ULX1, UR1, and PGX.