Williams AV DWS TGS 20 400 ALK Digi-Wave 400 Series Tour Guide System for 1 Guide and Up To 20 Listeners

Digi-Wave 400 Series Tour Guide System for one guide and up to 20 listeners.

System 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

Technical Specifications

BAT 010-2
Alkaline, 1.2 Volt

CCS 056 26
Interior Dimensions
13.0” W x 18.0” L x 6.7”H (33 cm W x 46 cm L x 17 cm H)
Exterior Dimensions
15.7” W x 19.7” L x 7.2” H (40 cm W x 50 cm L x 18 cm H)
Lid Inner Depth
1.5” (4 cm)
Bottom Inner Depth
5.2” (13 cm)
Approx. weight (empty)
6.6 lbs (3 kg)
Material
Copolymer
Minimum Temperature
-40F (-40C)
Maximum Temperature
160F (71.1C)

DLR 400 ALK
Dimensions
2.36" W x 3.54" H x 0.63" D
(60 mm x 90 mm x 16 mm)
Weight
1.7 oz. (47 g) without batteries.
Frequency Band
2.4 GHz (ISM band)
Modulation
FSK
Case Material
Black ABS Plastic
Battery Type
2 x AAA Alkaline Batteries
Battery Life
Alkaline Disposable (BAT 010-2): Up to 30 hrs
Power Save
Auto Sleep Mode after 5 minutes of no RF signal from compatible devices
Audio Frequency Response
(-3dB level)
Intercom Mode: 100 - 7,300 Hz
Interpretation and other modes: 100-11,200 Hz
SNR
74 dB (A-weighted)
THD
0.1% (typical)
Antenna
Internal
Range
Up to 900 ft (274 m) (depending upon environmental conditions)
Headphone Audio Output
3.5 mm TRRS jack with mono output for headphones, earphones, or neckloop
27 mW maximum @32 ohms
Display
LCD shows status: Battery Level, RSSI, Group/Channel #
Temp. Range
14 - 113F (-10 to 45C)
Compatible Units
DLT 400, DLT 300
Approvals
FCC, Industry Canada, RoHS 3, CE, WEEE, RCM, ANATEL, KC, Giteki
Warranty
2 years parts and labor (90 days on accessories)

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 ohms
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
DLR 400 RCH, DLR 400 ALK, DLT 300 with some limitations and DLR 360 with some limitations
Operating Temperature Range
14 to 113F (-10 to 45C)
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

EAR 022
Style
Around-ear speaker
Plug
3.5mm mono
Cord
39"
Driver Size
23 mm
Nominal Impedance
32OHM
Freq. Response
20 - 20kHz
Weight
15g
Max Power Input
30 mW
Sensitivity
118 dB @ 1kHz