Williams AV DLT 400 Digi-Wave 400 Digital Wireless Listening System Transceiver, Guided Tours, Language Interpretation, Intercom, Hearing Assistance, Up to 900 ft (274 m) Range

Williams AV DLT 400 Digi-Wave 400 Digital Wireless Listening System Transceiver, Guided Tours, Language Interpretation, Intercom, Hearing Assistance, Up to 900 ft (274 m) Range Key Features - Guided Tours – with one or more tour guides (2-way), with audience participation (2-way), or without audience participation (1-way) - Language Interpretation – one or more interpreted languages transmitted to audience (1-way) - Intercom – with up to six people able to speak simultaneously, and even more listening - Hearing Assistance – featuring boosted audio for improved comprehension - Has an internal rechargeable battery and includes the charging pack DW ACC PAC4 Specifications - Battery type: Lithium Polymer with smart charge built into transceiver; 1800 mAH - Battery life: Up to 16 hrs talk time - Power Save: Auto Sleep Mode after 5 minutes of no RF signal from compatible devices - Charge time: 5 hrs. approx. - System Voltages: OLED 14VDC; RF 5VDC; Logic 3.3 VDC - Operating frequencies: 2.4 GHz (ISM band); 2402 – 2476 MHz FHSS - Audio Frequency response (-3dB Level): Intercom Mode: 100 – 7,200Hz, Other Modes: 100 – 11,500Hz - SNR: 73 dB - THD: 0.1 % (Default Volume, 1kHz) - Microphone input: Internal microphone and 3.5 mm phone jack (sleeve) with electret microphone bias, adjustable gain with 63dB range. - Line Input: USB-C, Adjustable level - Headphone Output: 3.5 mm TRRS headphone jack; 25 mW, R 32 ohms - Audio Output: Headphone: Max SSPL 90 111.8dB (EAR 013), 116.8dB (EAR 041) - Line: USB-C, Adjustable level - Range: Up to 900 ft (274 m) - Modulation: FSK - RF Output: 19 dBm Typical - Security: 87 bit encryption, 87+128 bit Encryption, Encrpytion PIN, Lock for settings - Indicators: OLED - Charging Connectors: USB-C - Operating Tempurature Range: 14º to 113ºF - Dimensions: 4.22"W x 2.60"H x 0.50"D - Weight: 3.3 oz

• Guided Tours – with one or more tour guides (2-way), with audience participation (2-way), or without audience participation (1-way)
• Language Interpretation – one or more interpreted languages transmitted to audience (1-way)
• Intercom – with up to six people able to speak simultaneously, and even more listening
• Hearing Assistance – featuring boosted audio for improved comprehension
• Has an internal rechargeable battery and includes the charging pack DW ACC PAC4