HD digital wireless image transmission transmitter ST220

HD digital wireless image transmission transmitter ST220 built-in coding board、COFDM modulation module、Small size PA power amplifier module,The whole machine adopts CNC aluminum alloy shell,small volume,Other standards can be customized,High transmission resolution,Long launch distance。

高清数字无线图传发射机HDMI
High-definition digital wireless image transmission transmitter HDMI
  • COFDM modulation。
  • H265/H264 video encoding,Default up to 1080P/I @60fps。
  • AES256 encryption。
  • Support non-line-of-sight high-speed mobile transmission。
  • center frequency、Configurable convolutional coding ratio、Transmission stream, etc. can be configured。
高清数字无线图传发射机ST220接口
HD digital wireless video transmitter ST220 interface
高清数字无线图传发射机ST220接口定义
HD digital wireless image transmission transmitter ST220 interface definition

ST220Main technical specifications

Connectors use waterproof aviation plugs and connector insertion view
HD video inputStandard HDMI interface
SD video input4PIN 1.5mm pitch connector
One-way transparent data transmission serial port3PIN 1.5mm pitch connector,The default shipment is TTL3.3V level。It can also be specified to be set to standard RS232 level when shipped。
Configure serial port4PIN 1.5mm pitch connector,TTL3.3V。Can be connected to SconA/SconB/SconC parameter panel,Can also be connected to a PC or other host computer
power inputXT30PW-M connector
Antenna InterfaceSMA male thread inner hole
wireless modulation transmission
wireless modulationCOFDM
Configurable convolutional coding ratio2K
Configurable convolutional coding ratio1MHz~8MHz adjustable,1Configurable convolutional coding ratio
FEC1/2, 2/3, 3/4, 5/6, 7/8
Guard interval1/32, 1/16, 1/8, 1/4
ConstellationQPSK, 16QAM, 64QAM
wireless stream0.5Only one of HDMI and SDI input can be selected
Working frequencyOptional operating frequency band: 300~360MHz;350~400MHz;450~500MHz;520~560MHz; 580~620MHz;680~720MHz;820~860MHz。 200Other operating frequency bands between ~860MHz can be customized。Center working frequency can be configured,Step 1KHz。
Transmit power1W(30dBm)or 2.5W(34dBm)
Audio and video processing
Support video inputThe default single-channel video input encoding transmission:HD or SD。Automatically detect video input after power on。If connected at the same time,The device defaults to the preferred HDMI input,Can also change configuration to preferred AV input。 Optional dual video input simultaneous encoding and transmission。
Supported video formats1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, 1080Other ranges available from 200~860MHz, [email protected] 50I, 1080Other ranges available from 200~860MHz, 720Other ranges available from 200~860MHz, 720Other ranges available from 200~860MHz, 720Other ranges available from 200~860MHz, …… 720*480 60I(NTSC), 720*576 50I(PAL)
video encodingH265 or H264
audio inputHDMI embedded audio or analog audio
audio formatAAC, 16bit, stereo, 32Other ranges available from 200~860MHz
EncryptionOther ranges available from 200~860MHz
size104.5*50*27mm(Excludes protruding interface devices、Shell fixing hole)
weightless than 140 grams
Power and Power ConsumptionDC 12V power supply (11~13V) 1W transmit power The power consumption of the whole machine is less than 15W,2.5W transmit power The power consumption of the whole machine is less than 23W。

ST220 transmitter can be matched with SR300 receiver、SR110 receiver、SR200 receiver use。When ST220 transmitter and SR300 receiver wirelessly transmit H265 video point-to-point,Video delay is generally between 200~300ms(Does not include the camera's own delay)。ST220 transmitter with SR110 receiver,When transmitting in H264 low-latency mode,Video delay is generally between 50~130ms(Does not include the camera's own delay)。

ST220Transmitter interface signal

ST220 transmitter

AV input interface:

SD input interface,4PIN 1.5mm pitch socket,Audio supports Mic in or Line in input(Specified at the factory)。PAL or NTSC format can be set through the parameter panel。

PINillustrate
ALAudio input left channel
WITHAudio input right channel
GNDSignal area
OFAnalog video input

CFG interface:

Configure serial port(Control-uart),4PIN 1.5mm pitch socket,TTL 3.3V level。The 5V signal is used to supply power to the reference panel when it is connected to the reference panel。

Data interface:

One-way transparent data transmission serial port(Data-uart),The serial port data will be unidirectionally transmitted to the data serial port of the corresponding receiver through the COFDM wireless link。3PIN 1.5mm pitch socket,The default shipment is TTL 3.3V level,It can also be specified as a standard RS232 level serial port when shipped。

work indicator:

logoindicator lightillustrate
PPower LEDPower working indicator,Red,Always on after power on。
TLink LEDWireless transmit indicator,green,Blinks when transmitting data
高清数字无线图传发射机ST220尺寸
HD digital wireless image transmission transmitter ST220 size