Product Overview
Digi-Wave 400 Transceiver
The Williams AV DLR-400 Transceiver is part of the Digi-Wave™ system is a digital spread-spectrum (DSS) that allows for simultaneous two-way wireless listening. It utilizes a frequency-hopping algorithm to avoid interference and is also a secure method of communication. The Digi-Wave communication system allows users to listen and talk to one another wirelessly in a variety of scenarios.
To function, the Digi-Wave system consists of at least one transceiver (DLT 400) and various combinations of transceivers and receivers (DLR 400 RCH or DLR 400 ALK). Combinations of one or more DLT’s and DLR’s can be used to facilitate different events, depending on what needs to be spoken and what needs to be heard.
Williams AV DLT-400 Applications:
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
Williams AV DLT-400 Includes:
- DLT-400 Digi-Wave 400 Transceiver
Williams AV DLT-400 Specifications:
- Dimensions (WxHxD): 4.22″ x 2.60″ x 0.50″ (107.3 x 66 x 12.6 mm)
- Weight: 3.3 oz (94 g) including battery
- Color: Black/Silver (Front/Back)
- Case Material: Black ABS plastic
- Battery type: Lithium Polymer with smart charge built into transceiver; 1800 mAH
- Battery life: Up to 16 hrs talk time per charge@ 1ch Tx and 1ch Rx
- 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 – 7,200 Hz
- Other Modes: 100 – 11,500 Hz
- SNR: 73 dB (A-weighted, default Rx volume with mic input )
- THD: 0.1 % (Default Volume, 1kHz)
- Microphone input: Internal microphone (disabled when MIC jack engaged) 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) (depending upon environmental conditions)
- Modulation: FSK
- RF Output: 19 dBm Typical
- Security: 87 bit encryption (300 Series Compatiable), 87+128 bit Encryption, Encrpytion PIN, Lock for settings
- Side tone: -6 dB below volume, tone variation (Off, Low and High settings available)
- Indicators: OLED
- LEDs: Red LED around Talk button when enabled; Bi-color, changing green and red LED at top
- Charging Connectors: USB-C; Two contacts for use with CHG 412
- Compatible Receiver: DLR 400 RCH, DLR 400 ALK, DLT 300 with some limitations and DLR 360 with some limitations
- Operating Tempurature Range: 14º to 113ºF (-10º to 45ºC)
- Approvals: FCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki
- Warranty: 2 years parts and labor (90 days on accessories); 6 months on internal battery
