11
LISTENTALK TRANSCEIVER SPECIFICATIONS*
Physical
Dimensions (H x W x D) with Belt Clip
10 x 5.4 x 2.4 cm (3.93 x 2.13 x 0.93 in.)
Dimensions (H x W x D) less Belt Clip
10 x 5.4 x 1.6 cm (3.93 x 2.13 x 0.63 in.)
Weight
79 g (2.79 oz.)
Ship Weight
206 g (7.20 oz.) with 454 g (1.0 lbs.) minimum
Enclosure material
PC ABS Plastic
Indicators
Display - 64 x 128 OLED, Variable brightness LED – RED/White multifunction
(Mute, Charge Status)
User Controls
Volume up, Volume Down, Talk, Power/Status, Talk Modes, Pairing
Programming
Via software and USB port on Transceiver or via software and USB port on Docking Station
Connections
Headset – 3.5mm TRRS, CTIA complaint
USB – Micro USB, Control and Charging
Charger- 4 Contact, Control and Charging
Audio
Headphone Output
Speaker load
16 - 32 ohm load
Max output power
67 mW, 16-ohm load, Threshold of Clipping
Sidetone
Adjustable
Microphone Input
Compatibility
Electret, external bias
Bias
3 volt, 2 mA Current Maximum
Sensitivity requirement
-28 to - 50 dBV/Pa
Internal Microphone
Switching
Auto detect on jack insertion or Manual
Maximum input level
109 DBSPL
Gain
Adjustable, 30 dB range
Purpose
Accepts Listen Technologies Headsets or standard smart-phone headsets.
Can be used as a Mic/Line input (See “Mic Select” Menu Choices on Page 19)
Connector
Nominal Input Level for Line
Source
-10dBu (0.24 volts)
System
Frequency Response
40 Hz to 15 kHz +/- 3dB, 22kHz low pass filter
SNR
70 dB, A- weighted, Threshold of Clipping
THD
0.5% @ 1kHz, 22kHz low pass enabled
Headset/Microphone Port
Tip
Headset Left +
First Ring
Headset Right +
Second Ring Common/Ground/-
Sleeve
Mic/Line Input +
