LINK-MI LM-VT800 User manual

Wireless HD Video Transmission Kit
Version:1.0
2020.03.29
6TFS.BOVBM
.PEFM-.75

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About this manual
Packing list
Brief introduction
Features
3
Mechanic information
TX
RX
Interface information
TX
RX
Installation instructions
TX
RX
Product specifications
OLED Screen Description
17
Trouble Shooting
19
Notices Description
Contents

The wireless transmission system can help a variety of video
transmission platform to achieve easy to carry,install fast,real
zero-wiring,plug&play,change the traditional site wiring and
get rid of cumbersome cabling,enhanced video transmission
system Flexibility.
RS232 cable * 1 Antenna*4
Double nut * 1
TX RX
FORWORD
- Please read this manual carefully before using this product
and retain it properly for future reference.
- If there is any doubt or difficulty in the process of product usage,
please feel free to contact us or the dealer.
- The company reserves the authority to amend the specification.
PACKING LIST
TX * 1
RX * 1 SDI cable * 1 RS232 cable * 1 Antenna*4
Power Supply(12V/2A)* 1
Double nut * 1
BRIEF INTRODUCTION
FEATURES
Wireless full HD video transmission;
Min 50ms low latency enables no waiting for wonderful
image receiving;
Reliable overvoltage protection for better ensuring the safety
of power supply;
Supports both HDMI and SDI interfaces for video input/output;
Full hardware design; plug & play; eliminates the hassle of
running wires, simple and convenient;
Transmission distance: up to 800 meters under the point-to-point
mode (with 5dBi antenna in open space).

V-mount
SDI cable * 1

RX
 
V-MOUNT
SDI IN
TALLY OUT
RS232
HDMI IN
DC IN 12V
SDI OUT
V-MOUNT TALLY IN
RS232
HDMI OUT
DC IN 12V
SONY F-Type
Battery Plate
5.8G Antenna Interface
Audio IN
OLED Screen
CH Button
Mode switch button
OK Button
LAN interface
SDI LOOP OUT
Power Switch
5.8G Antenna Interface
Audio out
OLED Screen
CH Button
Mode switch button
OK Button
LAN interface
Power Switch
SONY F-Type
Battery Plate
MECHANIC INFORMATION
TX

1 3
2
456
 
No. item Parameter Remark
CH Button（SW1 )
3S long press Frequency witching
Switch RTSP and point-
to-point mode
Valid only after
connected with RX
MODE Button
2. CH Button
3. OK Button
5. Tally out: Output 5V power supply
6. Audio in
Audio in
7. RS232
8. HDMI IN
HDMI IN HD Video input
NC NC
P12V Default set with out
( reserved for 12V voltage output)
1
2
NC
TXD
3
4
GND
RXD
5
6
GND
9. SDI LOOP OUT: SDI Loop output
10. SDI IN
SDI IN
Video source input, if SDI and HDMI are
input at the same time, priority SDI input ,
if not input at the same time, which one is
first input, which one is preferred.
11. DC IN: input power supply 12V/2A
12. LAN: External network port
INTERFACE INFORMATION
TX
1.
MODE Button（SW2 )
6S long press
3S long press
No. item Parameter Remark
6S long press, WPS pairing
Frequency witching
No. item Parameter Remark
4. OLED Screen
No. item Parameter Remark
External audio input and video source audio option,
Can not be superimposed on the audio,
use the function keys to switch
No. item Parameter Remark
NC
Data transmit TX
Data receive RX
No. item Parameter Remark
No. item Parameter Remark
OK Button
No. item Parameter Remark
1. Signal Icon
Indicates current working frequency
2. Frequency Icon
network connections

RX
 
1. MODE Button
5. Tally in: low level input is valid
Audio out LINE OUT output and SDI/HDMI video
source audio output at the same time
7. RS232
8. HDMI OUT
HDMI OUT Both the HDMI and the two SDI outputs simultaneously
9. SDI OUT
SDI OUT Video source output
No. item Parameter Remark
MODE Button 6S long press Switch RTSP and point-
to-point mode
CH Button
2. CH Button
3S long press
No. item Parameter Remark
6S long press, WPS pairing
Frequency witching
6. Audio out
No. item Parameter Remark
NC NC
P12V Default set with out
( reserved for 12V voltage output)
1
2
NC
TXD
3
4
GND
RXD
5
6
GND
No. item Parameter Remark
NC
Data transmit TX
Data receive RX
No. item Parameter Remark
No. item Parameter Remark
10. DC IN: input power supply 12V/2A
11. LAN: External network port
1 3
2
456
3. OK Button
No. item Parameter Remark
4. OLED Screen
OK Button
No. item Parameter Remark
1. Signal Icon network connections
Indicates current working frequency
2. Frequency Icon


INSTALLATION INSTRUCTIONS
TX
1. Install four 5dBi antennas on the transmitter
2. Connect transmitter to 12V Power-supply and turn on the power button,
OLED screen lighted up, the Signal and Frequency icons display,
Finished Starting-up )
Note: When transmitter SDI output, the SDI output can only be used
if SDI under loop output.
4. Audio input, transmitter connected to the microphone,
(MODE key press 3S can switch the internal and external sound).
12V power supply
Camera
SDI loop output
SDI cable connect
SDI monitor
HDMI
HDMI Cable
POO3
HD Player
HDMI
Connect the microphone
install antennas
4. For Transmitter inputs, either HDMI or SDI works, when the input is
SDI source, the SDI loop output(for local monitoring) is enabled."VIDEO"
icon will and only will display in OLED when a video input is properly
connected.

 
HDMI
HDMI
RX
1. Install four 5dBi antennas on the receiver
install antennas
HDMI Cable
TV
SDI cable connect
SDI cable connect
SDI monitor
12V power supply
2. Connect transmitter to 12V Power-supply and turn on the power button,
OLED screen lighted up, the Signal and Frequency icons display,
Finished Starting-up )
3. For Receiver outputs, all HDMI/SDI interface can output synchronously.
The Signal icon shows as a "X" in OLED when network between Transmitter
and Receiver disconnected or connecting; the Signal icon display properly
when network connected."VIDEO" icon will and only will display on OLED
when the video works properly.
4. Audio output, receiver connected to the audio output.

 
PRODUCT SPECIFICATIONS
TX
EVM
OFDM
40MHz
17dBm
≤-70dBm
50ms(min)
H.264
≤-28dB
TX
802.11n
WPA2/WPS
Max 300Mbps
Pairing Function Support
Frequency Hopping Manual
1080p 1080i 720p 576p，576i，480p，480i（up to 1080P/60Hz )， ，，
8-12W
7-17V
5190MHz，5230 MHz，5270 MHz，5310 MHz，5510 MHz，5550 MHz，
5590 MHz，5630 MHz，5670 MHz，5755 MHz，5795 Mhz
RX
EVM
OFDM
40MHz
17dBm
≤-70dBm
50ms(min)
H.264
≤-28dB
802.11n
WPA2/WPS
Max 300Mbps
1080p 1080i 720p 576p，576i，480p，480i（ )， ，， up to 1080P/60Hz
DC12V/2A
7-9W
7-17V
5190MHz，5230 MHz，5270 MHz，5310 MHz，5510 MHz，5550 MHz，
5590 MHz，5630 MHz，5670 MHz，5755 MHz，
5795 Mhz
Operating
Frequency
Antenna Mode 4*4 5dBi External antenna
Modulation Mode
Transmission power
Receiving Sensitivity
Bandwidth
Wireless Protocol
Network encryption
Network Mode point-to-point private protocol, RTSP protocol
Transmission Distance point-to-point Up to 800m LOS,
Transmission Delay
Transmission Rate
HDMI Protocol Support HDMI 1.3
Video Resolution
Audio Format PCM
Video
Compression Format
External Audio Support line-in audio input
IO port signal return Support Tally signal return
Interface
Standard HDMI input*1, SDI port*2 (1 input, 1 Loop Through),
232 interface*1, DC 5.5 power supply input*1,
CH button*1, MODE OLED*1, OK button*1,
LINE IN*1 , RJ45 interface *1, Tally socket*1,
Operating Power Supply DC12V / 2A （with Part 6677 )
Power Supply Range
Power Consumption
RX
Operating
Frequency
Antenna Mode 4*4 5dBi External antenna
Modulation Mode
Transmission power
Receiving Sensitivity
Bandwidth
Wireless Protocol
Network encryption
Network Mode point-to-point private protocol
Transmission Distance point-to-point Up to 800m LOS,
Transmission Delay
Transmission Rate
Pairing Function Support
Frequency Hopping Manual
HDMI Protocol Support HDMI 1.3
Video Resolution
Audio Format PCM
Video
Compression Format
External Audio Support line-in audio input
IO port signal return Support Tally signal return
Standard HDMI output*1, SDI output * 2 (2 channel simultaneous output),
power supply input*1, CH button*1, 232 interface*1
MODE OLED *1, OK button*1,RJ45 interface *1, Tally socket*1,
Operating Power
Supply
Interface
Power Consumption
Power Supply Range

VIDEO
RTSP
5630
2.Signal icon
3.VIDEO
4.Mode
5.Frequency
1. AUDIO
Video
Mode
OLED Screen Descriptionitem
Audio
Network connections
Indicates current working frequency
Remark
OLED SCREEN DESCRIPTION
TX
Icon Indication
Contents
Signal icon
X
Signal bar
VIDEO
Connecting
(Blank)
Network connection success
No Video input
Video source connected
successfully
VIDEO
RTSP Video RTSP Streaming
Point to Point Transmitting
Mode
5---- Indicates current working
frequency
Frequency
RX
Model Status
(Blank)
Icon Indication
Contents
Model Status
Signal icon
X
Signal bar
VIDEO
Connecting
(Blank)
Network connection success
No Video input
Video source connected
successfully
VIDEO
RTSP Video RTSP Streaming
Point to Point Transmitting
Mode
5---- Indicates current working
frequency
Frequency
(Blank)
Signal icon
(Blank) No Video input ()VIDEO Video source connected successfully
Frequency
(RTSP) Video RTSP Streaming Point to Point Transmitting
(Blank)
(Blank) No Audio input
Audio display, display of the headphone icon table, external audio input,
OLED SCREEN
 