Product: Williams AV DWS INT 2 400 ALK Digi-Wave 400 Interpretation System for 1 Presenter and 10 Listeners; Includes: DLT 400 Transceiver, (10) DLR 400 ALK Receivers, MIC 144 Headset, (10) EAR 022 Earphones
Brand: Williams AV
Williams AV DWS INT 2 400 ALK Digi-Wave 400 Interpretation System for 1 Presenter and 10 Listeners; Includes: DLT 400 Transceiver, (10) DLR 400 ALK Receivers, MIC 144 Headset, (10) EAR 022 Earphones Key Features  Includes: (1) DLT 400 Transceiver, (10) DLR 400 ALK Receivers, (1) MIC 144 Headset Microphone, (10) EAR 022 Surround Earphones, (10) BAT 010-2 AAA alkaline batteries, (1) CCS 056 DW 11 System Carry Case and (1) CCS 061 GR Grey Silicone Skin SPECIFICATIONS  DLT 400 Transceiver:  Operating frequencies: 2.4 GHz (ISM band); 2402 – 2476 MHz FHSS Audio Frequency response: Intercom Mode 100-7200Hz/Other Modes 100-11500Hz SNR: 73dB THD: 0.1 % (Default Volume, 1kHz) Microphone input: Internal microphone and 3.5 mm phone jack with electret microphone bias, adjustable gain with 63dB range Range: Up to 900ft (274m) Modulation: FSK RF Output: 19dBm Typical Security: 87 bit encryption (300 Series Compatiable), 87+128 bit Encryption, Encrpytion PIN, Lock for settings Operating Tempurature Range: 14º to 113ºF Battery life: Up to 16 hrs talk time Weight: 3.3 oz DLR 400 ALK Receiver:  Display: LCD shows status: Battery Level, RSSI, Group/Channel # Frequency Band: 2.4GHz (ISM band) Audio Frequency Response: Intercom Mode 100–7300Hz/Interpretation and other modes 100-11200Hz SNR: 74dB (A-weighted) THD: 0.1% Antenna: Internal Range: Up to 900ft (274m) Battery Type: 2x AAA Alkaline Batteries Weight: 1.7 oz. EAR 022 Earphones:  Plug: 3.5mm mono Driver Size: 23mm Nominal Impedance: 32Ω Freq. Response: 20-20kHz Max Power Input: 30mW Sensitivity: 118dB @ 1kHz Weight: 15g
Includes: (1) DLT 400 Transceiver, (10) DLR 400 ALK Receivers, (1) MIC 144 Headset Microphone, (10) EAR 022 Surround Earphones, (10) BAT 010-2 AAA alkaline batteries, (1) CCS 056 DW 11 System Carry Case and (1) CCS 061 GR Grey Silicone Skin
Operating frequencies: 2.4 GHz (ISM band); 2402 – 2476 MHz FHSS
Microphone input: Internal microphone and 3.5 mm phone jack with electret microphone bias, adjustable gain with 63dB range
Security: 87 bit encryption (300 Series Compatiable), 87+128 bit Encryption, Encrpytion PIN, Lock for settings
Up to 900ft (274m) Range, FSK Modulation, 19dBm Typical RF Output

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