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W-DLT 400 Digi-Wave 400 transceiver

The Digi-Wave™ system is a digital spread-spectrum (DSS), simultaneous two-way wireless listening system. Using it’s frequency-hopping algorithm, it avoids interference and is a very secure method of communication. The Digi-Wave communication system allows users to listen and talk to one another wirelessly in a variety of scenarios.

A Digi-Wave system consists of at least one transceiver (W-DLT 400) and various combinations of transceivers and receivers (W-DLR 400 RCH or W-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. Typical scenarios include:

  • 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

The DLT 400 has an internal rechargeable battery and includes the charging pack DW ACC PAC4.

Code: W-DLT 400 

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  • Features
  • Specifications W-DLT 400
  • Downloads
  • Example combinations
  • W-DLT 400

    Communicate as a group, or broadcast your audio one way. Use the system the way you need.

    • DLR receiver supports unlimited listeners
    • Backwards compatibility with Digi-Wave 300 series.
    • Crystal-clear digital sound quality
    • Completely Portable – No base station or rack-mounted components required
    • 128+87-bit encryption and PIN code
    • Simplified usage and set up
    • Increased range
    • Easy group join (for Guest units)
    • Easy pairing
  • W-DLT 400

    Dimensions: 4.22”W x 2.60”H x 0.50”D (107.3 mm x 66 mm 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.
    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
    Headphone Output: 3.5 mm TRRS headphone jack; 25 mW, R 32 Ω
    Audio Output: Max SSPL 90 111.8dB (EAR 013), 116.8dB (EAR 041)
    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: W-DLR 400 RCH, W-DLR 400 ALK, W-DLT 300 with some limitations and W-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

    • The DLT 400 shall be 4.22”W x 2.60”H x 0.50”D (107.3 mm x 66 mm x 12.6 mm).
    • The DLT 400 shall weigh 3.3 oz (94 g) including the battery.
    • The DLT 400 shall charge via a USB-C connector.
    • The DLT 400 shall use a lithium polymer battery that shall last up to 16 hours while the DLT 400 is in talk mode.
    • The DLT 400 shall operate on 2.4 GHz (ISM Band) at 2402-2476 MHz FHSS.
    • The DLT 400 shall have a 3.5 mm phone jack for headphones and microphone usage.
    • The DLT 400 shall be covered by a two-year parts and labor warranty.
    • This product shall be the Williams AV model DLT 400.

    NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.

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  • DWS COM 4 400NEW! Digi-Wave 400 Series Wireless Intercom System for up to four participants.
    Includes:
    (4) DLT 400 transceivers,
    (4) MIC 144 headset microphones,
    (1) CCS 029 DW system carry case,
    (1) CCS 061 GR grey silicone skin and
    (3) CCS 061 BK black silicone skins.
    Replaces DWS COM 4 300.
    DWS COM 6 400NEW! Digi-Wave 400 Series Wireless Intercom System for up to six participants
    Includes:
    (6) DLT 400 transceivers,
    (6) MIC 144 headset microphones,
    (1) CCS 056 DW 11 system carry case,
    (1) CCS 061 GR grey silicone skin,
    (5) CCS 061 BK black silicone skins.
    Replaces DWS COM 6 300.
    DWS COM 6 PRO 400NEW! Digi-Wave 400 Series Wireless Intercom System for up to six participants in high-noise environments.
    Includes:
    (6) DLT 400 transceivers,
    (6) MIC 157 headset mics,
    (1) CCS 042 heavy-duty system carry case,
    (1) CCS 061 GR grey silicone skin,
    (5) CCS 061 BK black silicone skins.
    Replaces DWS COM 6 PRO 300.
    DWS COM 8 400NEW! Digi-Wave 400 Series Wireless Intercom System for up to eight participants.
    Includes:
    (8) DLT 400 transceivers,
    (8) MIC 144 2P headset microphones,
    (1) CCS 056 DW 11 system carry case,
    (1) CCS 061 GR grey silicone skin, and
    (7) CCS 061 BK black silicone skins.
    Replaces DWS COM 8 300.
    DWS COM 8 PRO 400NEW! Digi-Wave 400 Series Wireless Intercom System for up to eight participants.

    Includes:
    (8) DLT 400 transceivers,
    (8) MIC 157 headset microphones,
    (1) CCS 042 heavy-duty system carry case,
    (7) CCS 061 GR grey silicone skin,
    (1) CCS 061 BK black silicone skins and
    (1) CHG 412 12-bay charger.

    DWS INT 2 400 ALKNEW! Digi-Wave 400 Series Interpretation System for one presenter and 10 listeners.
    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 061 GR grey silicone skin,
    (1) CCS 0056 DW 11 system carry case.
    Replaces DWS INT 2 300.
    DWS INT 3 400 ALKNEW! Digi-Wave 400 Series Interpretation System for two presenters and 20 listeners.
    Includes:
    (2) DLT 400 transceivers,
    (20) DLR 400 ALK receivers,
    (2) MIC 144 headset microphones,
    (20) EAR 022 surround earphones,
    (1) CHG 404 DW 4 slot charging bay,
    (20) BAT 010-2 AAA alkaline batteries,
    (1) CCS 042 DW system carry case,
    (1) CCS 061 BK black silicone skin,
    (1) CCS 061 GR grey silicone skin.
    Replaces DWS INT 3 300.
    DWS INT 4 400 RCHNEW! Rechargeable Digi-Wave 400 Series Rechargeable Interpretation System for up to three presenters and 21 listeners.
    Includes:
    (3) DLT 400 transceivers,
    (21) DLR 400 RCH receivers,
    (3) MIC 144 headset microphones,
    (21) EAR 022 surround earphones,
    (2) CHG 412 PRO 12-bay charger in carry case CCS 056,
    (2) CCS 061 GR grey silicone skin,
    (1) CCS 061 BK silicone skin.
    Replaces DWS INT 4 300.
    DWS INT 5 400 ALKNEW! Digi-Wave 400 Series Interpretation System for four languages plus floor.
    Includes:
    (5) DLT 400 transceivers,
    (50) DLR 400 ALK receivers,
    (4) MIC 158 headset microphones,
    (50) EAR 022 surround earphones,
    (1) CHG 412 12-bay charger,
    (50) BAT 010-2 AAA alkaline batteries,
    (4) CCS 061 GR grey silicone skin,
    (1) CCS 061 BK black silicone skins,
    (1) CCS 054 carry case.
    Replaces DWS INT 5 300.
    DWS INT 5 400 RCHNEW! Rechargeable Digi-Wave 400 Series Interpretation System for four languages plus floor.
    Includes:
    (5) DLT 400 transceivers,
    (50) DLR 400 RCH receivers,
    (4) MIC 158 headset microphones,
    (50) EAR 022 surround earphones,
    (5) CHG 412 12-bay charger,
    (4) CCS 061 GR grey silicone skin,
    (1) CCS 061 BK black silicone skins,
    (1) CCS 054 carry case.
    Replaces DWS INT 5 300.
    DWS TGS 10 400 ALKNEW! Digi-Wave 400 Series Tour Guide System for one guide and up to 10 listeners.
    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,
    (1) CCS 061 GR grey silicone skin.
    Replaces DWS TGS 10 300.
    DWS TGS 11 400 RCHNEW! Rechargeable Digi-Wave 400 Series Tour Guide System for one guide and up to 11 listeners.

    Includes:
    (1) DLT 400 transceiver,
    (11) DLR 400 RCH receivers,
    (1) MIC 144 headset microphone,
    (11) EAR 022 surround earphones,
    (1) CHG 412 PRO 12-bay charger in carry case,
    (1) CCS 061 GR grey silicone skin.

    Replaces DWS TGS 11 300.

    DWS TGS 20 400 ALKNEW! Digi-Wave 400 Series Tour Guide System for one guide and up to 20 listeners.
    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,
    (1) CCS 061 GR grey silicone skin.
    Replaces DWS TGS 20 300.
    DWS TGS 23 400 RCHNEW! Digi-Wave 400 Series Tour Guide System for one guide and up to 23 listeners.
    Includes:
    (1) DLT 400 transceiver,
    (23) DLR 400 RCH receivers,
    (1) MIC 144 headset microphone,
    (23) EAR 022 surround earphones,
    (2) CHG 412 PRO chargers with cases,
    (1) CCS 061 GR grey silicone skin.
    Replaces DWS TGS 23 300.
    DWS TGS VIP 12 400NEW! Digi-Wave 400 Series Tour Guide System for two or more tour guides to combine skills and guide as a team.   Includes:
    (12) DLT 400 transceivers,
    (12) MIC 144 headset microphones,
    (1) CHG 412 12-bay charger,
    (1) CCS 042 DW system carry case,
    (1) CCS 061 GR grey silicone skin,
    (11) CCS 061 BK black silicone skins.
    Replaces DWS TGS VIP 12 300.
    DWS PCS 1 400 ALKNEW! Digi-Wave Series 400 Personal Communication System
    Includes:
    (1) DLT 400 transceiver,
    (1) DLR 400 ALK receiver,
    (1) MIC 190 lapel microphone,
    (1) EAR 041 earphone,
    (1) BAT 010-2 AAA alkaline batteries,
    (1) CCS 043 system carry case.
    DWS PCS 2 400NEW! Digi-Wave 400 Series Personal Communication System includes:
    (2) DLT 400 transceivers,
    (2) MIC 144 headset microphones,
    (1) CCS 043 system carry case,
    (1) CCS 061 BK black silicone skin,
    (1) CCS 061 GR grey silicone skin. 
    Replaces DWS PCS 2 300.
    DWS PCS 3 400 RCHNEW! Digi-Wave Personal Communication System
    Includes:
    (1) DLT 400 transceiver,
    (1) DLR 400 RCH receiver,
    (1) MIC 190 lapel microphone,
    (1) EAR 041 earphone,
    (1) CCS 043 system carry case,
    (1) CCS 061 GR grey silicone skin,
    (1) CCS 061 BK  black silicone skin.
    Replaces DWS PCS 3 300.

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