UHF Wireless System1 Fixed frequencyISM BandNon-diversityMax. of 2 devices from the TWS One Series can be operated in parallel under various frequencies (A, B, C or D)Output: jack 6.3 mmPocket transmitter with 3.5 mm jack connectorOperates with 2x AA batteries Frequency: A (863.100 MHz)Includes a condenser headset microphone (cardioid), jack-jack connection cable and a transport caseNo license is required and no charges are incurred when used anywhere in Europe