DLT 100

Digital Transceiver

Product Highlights

  • 1-way or 2-way operation offers flexibility in an array of applications
  • Rechargeable – up to 14 hours of use per charge.
  • Crystal-clear digital sound


This transceiver was replaced with the DLT 100 2.0.  The DLT 100 and DLT 100 2.0 are not compatible with the new 300 Series systems.

Transmits and receives. Slim, lightweight, and simple to set up and use. With the push of a button, users can access 2-way simultaneous communication for easy, more focused group leader / group member participation.


Enhanced security features on the DLT 100:

  • Set-up lock (SLOC) enables administrator to lock each DLT 100 to prevent unauthorized changes to a Digi-Wave system set-up.
  • Four digit secure key, entered into each group members’ DLT 100, prevents unauthorized individuals from listening in on the group.

Software Upgrade information:

  • Software upgrade available only for Digi-Wave DLT 100 purchased prior to February 1, 2012.  No upgrade required for Digi-Wave DLR 50.
  • There is a $25/piece cost for the software upgrade.
  • Please contact Williams Sound Customer Service at 800-843-3544 for more information and for a Return Authorization (RA) number.

System Includes

(1) DLT 100 Transceiver

(1) TFP 045 Charger with cable

digiwave brian
Dlt 100


  • Set-up lock (SLOC) enables administrator to lock each DLT 100 to prevent unauthorized changes to a Digi-Wave system set-up.
  • Four digit secure key, entered into each group members’ DLT 100, prevents unauthorized individuals from listening in on the group.
  • Four-group, simultaneous use available in 2-way mode
  • Can accommodate floor (or common) language, plus up to 14 simultaneous languages in 1-way mode
  • Patented, interference-reduction technology provides seamless, secure operation
  • 2.4 GHz operation works well in RF-saturated environments and is legal for use in most countries
  • Range of up to 100 feet outdoors/200 feet indoors (depending on environmental conditions)
  • Built-in “Smart Charge" is enviornmentally sound and compatible around the world
  • Built-in microphone and speaker offers convenience
  • Voting and Talk-Timer functions
  • 2-year warranty**


DLT 100 Architectural and Engineering Specifications

  • The transceiver shall be a digital transceiver operating on the 2.4GHz ISM band utilizing GFSK modulation with patented frequency-hopping software to reduce interference potential. It shall be housed in plastic enclosure, have an internal rechargeable Lithium Polymer battery with smart charge built into the transceiver and an LCD on the front panel displaying signal strength, battery level, mode and time. It shall have a built-in microphone and speaker for users opting not to use a headset.
  • The transceiver shall have a battery life up to 14 hrs per charge and take approximately 5 hrs to reach full charge. Power will automatically shut off after approximately one minute when not operating with other compatible devices.
  • The transceiver shall operate in one-way or two-way mode (two speakers in a group at any given time) and have a range of up to 200ft in two-way mode indoors and up to 100ft outdoors.
  • The transceiver shall have power, vol +, vol -, talk, CH +, CH -, NO, ABS, YES, buttons.
  • The transceiver shall have an illuminated talk button.
  • The transceiver shall have a menu setup mode via front panel buttons configurable for (1 or 2-way operation), (master or slave operation) and (floor and 14+ language portable interpretation where common floor language is used).
  • The transceiver shall have 3.5mm mono/stereo microphone and headphone jacks, all controls are on the front of the unit and a multi-pin style jack on the bottom provides battery charging access. USB charger compatible with iPod® chargers.
  • The transceiver shall operate 15 simultaneous channels in interpretation mode and 4 simultaneous groups in two-way mode. It shall have a repeater mode to increase the range of the system.
  • The transceiver shall have a 69dB (A weighted) S/N ratio with a frequency response of 150Hz to 11kHz.
  • The transceiver shall have FCC, Industrie Canada, C tick and CE approvals and be RoHS and WEEE compliant.
  • The transceiver shall have a two year parts and labor warranty (90 days on headphones, battery, charger and earphones).
  • This transceiver shall be the Williams Sound model DLT 100.

DLT 100


103 x 62 x 11mm (4.1 x 2.4 x 0.4 inches)


80g (2.8oz) including battery


Black and silver


Shatter resistant PC/ABS plastic

Battery type

Li Polymer with smart charge built into transceiver

Battery life

Up to 14hrs talk time per charge

Charge time

5hrs. TFP 045 with cable and international adapters

Optional two-bay charger CHG 102


Up to 15 simultaneous channels (Interpretation mode)

Up to 4 simultaneous groups (2 way mode)

Operating frequencies

2.4GHz (ISM band) 2.402 – 2.476GHz FHSS

Frequency response

150 – 11KHz

S/N ratio

69dB (A weighted)


0.33 %

Microphone input

Internal microphone (disabled when MIC jack engaged) and 3.5mm stereo jack


(tip/sleeve) with electret microphone bias, adjustable gain with 63dB range.

Audio output

Max SSPL 90 111.8dB (EAR 013), 116.8dB (EAR 041)


Internal speaker (disabled when ear jack engaged)


16mW @ 33Ω


Up to 100ft outdoors and 200ft indoors*


GFSK, binary CDMA

RF output

14dBm Max

Security code

87 bit encryption


Front panel push buttons for volume up/down, group select, menu access and selection, voting, timer, time, MIC on/off, power on/off, tone control SLOC access and Secure Key access. System reset button (rear panel)


3.5mm stereo/mono jack 30 pin charging jack with audio out to base stations

Side tone

-12dB below volume


Internal speaker (disabled when ear jack is engaged)


LCD (Group, channel, volume level, battery status, mode, signal strength)


(charge status, voting) Red LED around talk button when enabled. Amber LED signifying voting feature activated.

Maximum presenters

Two presenters at any given time


FCC, Industrie Canada, CE, C-tick, RoHS, WEEE


2 years parts and labor (90 days on accessories)

Accessories for Digi-Wave Transceiver [DLT 100]

CCS 044 Silicone skin for DLT with lanyard and wrist strap

CHG 1012 Digi-Wave charger, 12-bay

CHG 1012 PRO Digi-Wave charger, 12-bay, with case

CHG 102 Digi-Wave charger, 2-bay

MIC 044 2P Noise-Cancelling 2-plug Headset Mic

MIC 058 Dual muff headset microphone

MIC 068 Heavy-duty dual-muff headset microphone

MIC 088 Dual muff hardhat headset microphone


Williams Sound: Digi-Wave Basic Features and Functions (includes ASL translation)

Overview of Digi-Wave DLT 100 transceiver features and functions.

Williams Sound: Digi-Wave 2.0 Programming One Way Mode with Captions

Digi-Wave Programming One Way Mode - CC

Williams Sound: DLT 100 Battery Replacement

Instructional video on the replacement of a Digi-Wave DLT 100 Battery.

Williams Sound: SLOC for DLT and DLRs

Set-Up Lock (SLOC) for DLT and DLRs

Williams Sound: Charging DLTs and DLR's

Charging DLT’s and DLRs

Williams Sound: Digi-Wave Programming for Two Way Mode

Digi-Wave Programming for Two Way Mode

Williams Sound: Digi-Wave Basic Features and Functions

Overview of Digi-Wave DLT 100 transceiver features and functions.

Williams Sound: Digiwave Tour Guide System

What is included in the system, how the system works and ideal applications.