
TSDM-2400
User’s Guide
WIRELESS TRANSMITTER SYSTEM
● Read this user’s guide carefully for safe operation and proper
use of the product .
● Features and specifications are subject to change without
notification.

WARNING
* Please turn off the power before connecting or
disconnecting any cables.
- Do not immerse in water or keep in humid areas
- Do not place near TV, speakers, or other electronic devices
Before installation, check power supply and voltage to avoid
hazards
- Do not apply force or shock to the unit
- Do not disassemble the unit
TECHNICAL SPECIFICATIONS
Operating Voltage TX: 3.7VDC RX: 12VDC
Frequency 2400 MHz
Operating Range Over 1000 feet at the open field
*
Note : Operating Range can be different
according to the environment
Operating Temperature
10 ~ 1 10 °F
LED Indicators TX: low battery warning, Out of Range, Talk On,
Mute
RX: Charging indicator, Talk On
Jacks 8 pin RJ-45 for power, audio out, and
trigger out
Battery Capacity: Lithium-ion 3.7V DC/1200mA
Talk Time: Max. 8 Hours
Stand-by time: 25days

FUNCTIONS
- 40 Channel Possible in the 2404.8 ~ 2475.0MHz Bandwidth
- Transmission Range up to over 1000 feet in open field
- Audible and LED indicator out of range warning.
- Better voice quality.
- 16 million Auto-Security code combination.
- Mute function On/Off Key (Transmitter)
- Auto link (When the system On/Off is On mode)
- Recorder On/Off Switch
- System On/Off Control (From inside the video system)
-
Transmitter Power On/Off switch
- Low Battery Indicator (Transmitter)
- Link LED indicator (Receiver & Transmitter)
- Beep Mode and Vibration Mode Selectable for user’s convenience
TROUBLESHOOTING
Problems Check Points
No reception
- Check the battery status
- Check the connection and cables
- Check the communication range
Poor reception,
static, noise
- Change the location of RX Set
- Check the communication range
- Check to see if unit is placed near TV,
speakers, or other electronic devices
-
- Check the power switch on the bottom of
the unit
- Check the connection and cables

1 Rec,Talk On/Off 6 Internal MIC
3MODE
4 MUTE ON/FF
5 Microphone Jack
1. Rec On/Off button
* LED : Rec & Talk On/Off
Mute On – Green LED blinking
Low Battery – Red LED On
Out of Range – Red LED blinking
2. Beep: Beep Tone
3. Mode: Beep > Vibration > Beep + Vibration > NO action
Every time you push the button, mode will be automatically
changed in order . (This Function operate only at St-by mode)
4. Mute On/Off:
When user want to mute the voice in the Communication.
Press the button to mute and Press the button again to unmute.
5. Micro
hone Jack (*Rapel mic is optional
6. Internal Mic
7. Power On/Off: Turn on/off the power of unit. When this is turned
off, Unit will not work.

OPERATION (Cradle)
1
4
3
2
5
1 Antenna connection (external Antenna)
2 LED : Recording ON/OFF, ID Matching
3 LED : Battery Charging Status
4 Charging PIN
5 RJ-45 Jack
1. Antenna Connection
2. LED : Rec & Talk On/Off – Green LED On/Off
ID Matching On –Green LED blinking
3. LED : Battery Charging – Red LED on
Battery is fully charged – Green LED on
4. Charging Pin
5. RJ45 Jack for the cable

RJ-45 Connector Pin Description
Pin# 1: VCC, DC power (10V ~ 16VDC)
Pin# 2: GND
Pin# 4: Audio Signal GND
Pin# 5: GND
Pin# 6: 2.8V out when the unit is on. Short this pin
to GND to remotely turn on TX.
0V
Recording starts
Normal “H” 2.8V
Pin# 7 : 5V when TX is Off, 0V when TX
is On.
Use this pin for recording trigger
Pin# 8 : FULL UP 5V 470 OHM