Williams Sound DWS TGS 20 400 ALK Digi-Wave 400 Series Tour Guide System for 1 Guide and Up to 20 Listeners; Includes: (1) DLT 400

Williams AV DWS TGS 20 400 ALK Digi-Wave 400 Series Tour Guide System for 1 Guide and Up To 20 Listeners; Includes: (1) DLT 400 Transceiver, (20) DLR 400 ALK Receivers, (1) MIC 144 Headset Microphone

• Includes: (1) DLT 400 Transceiver, (20) DLR 400 ALK Receivers, (1) MIC 144 Headset Microphone, (20) EAR 022 Surround Earphones, (20) BAT 010-2 AAA Alkaline Batteries, (1) CCS 056 26 System Carry Case and (1) CCS 061 GR Grey Silicone Skin

SPECIFICATIONS

• 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

• 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)
• Weight: 1.7 oz.

• Plug: 3.5mm mono
• Driver Size: 23mm
• Nominal Impedance: 32?
• Freq. Response: 20-20kHz
• Max Power Input: 30mW
• Sensitivity: 118dB @ 1kHz
• Weight: 15g