MOMA无线技术
Published at: 2025-11-10
Quick Guide
Product Specification Introduction
Category | Project | Specifications of technical parameters |
Specification parameters | weight | TX: 223g (without antenna) RX: 223g (without antenna) |
size | TX：115*65*32mm RX：115*65*32mm | |
Interface | DC IN: 5.5*2.1mm threaded DC socket SDI IN: 3G SDI HDMI IN: HDMI 1.4b HDMI OUT: HDMI 1.4b TYPE C: USB 2.0 OTG Antenna: 5GHz, SMA male | |
Wireless parameters | Operating frequency band | 5.1~5.8GHz |
Transmit power | <21 dBm | |
bandwidth | 20MHz | |
Modulation mode | 802.11n | |
sensitivity | -90dBm | |
MIMO | 2x2 | |
Video Standard | Video bitrate | 12-20Mbps |
Video encoding format | H.264/H.265 | |
Power parameters | power consumption | TX<8.5W, RX<5W (typical) |
Working voltage range | 6~16V | |
Output voltage | \ | |
Type C input | 5V/2.5A, does not support QC/PD protocol | |
Battery life | NP-F970(7800mAh) battery about 5 hours | |
Audio and video parameters | Input video format | HDMI IN: 720p50/59.94/60 1080i50/59.94/60 1080p23.98/24/25/29.97/30 1080p50/59.94/60 3840*2160 24/25/30 SDI IN： 1080p60/59.94/50(Level A) 1080p60/59.94/50(Level B) 1080i60/59.94/50 1080p30/29.97/25/24/23.98 1080psf24/23.98 1080psf30/29.97/25 720p60/59.94/50 |
Output video format | HDMI OUT： 720p50/60 1080i50/60 1080p24/25/30 1080p50/60 3840*2160 24/25/30 SDI OUT： 1080p60/59.94/50(Level A) 1080i60/59.94/50 1080p30/29.97/25/24/23.98 1080psf24/23.98 720p60/59.94/50 | |
Color depth mode | HDMI/SDI input: YUV422/YUV444 8bit RGB 8bit | |
Input audio format | 3G-SDI with 2 channels HDMI 1.4b with 8 channels | |
Output audio format | 3G-SDI with 2 channels HDMI 1.4b with 8 channels | |
Transmission parameters | Transmission bitrate | 12～20Mbps |
Latency | 66ms/0.06s *1080P60 signal transmission in a laboratory environment, optimal test data) | |
Transmission distance | 150m/450ft *Distance tested in an open, unobstructed, interference-free outdoor environment) (line of sight,LOS) | |
Reliability parameters | Working ambient temperature | -10°C to 60°C |
Storage temperature | -40°C to 60°C | |
Drop standard | 1 meter drop without damage | |
ESD electrostatic | The contact discharge ± 6KV and the air discharge ± 8KV |
Features Introduction
● 4K30p HD video transmission, maximum to 3840 * 2160p30, can be backward compatible with 1080, 720, and other video formats, video bitrate 12 ~ 20Mbps
● The maximum transmission distance without interference and obstructed is 150m/450ft, and the minimum latency is 66ms
● HDMI/SDI professional video interface, SDI able to transmission on 23.98, 29.97, 59.94 fractional frame rate video, can be connected to switcher / Broadcasting station and other professional video equipment
● Whether the transmitter is input from HDMI or SDI, the receiver's HDMI/SDI can output video at the same time
● New antenna design, stronger wireless performance, not easy to damage
● 1 to 2 mode, 1 transmitter can be paired with 2 receivers
● APP connection available, With TX only, support 4 APP connection;
Connect to 1RX, support 2 APP connection; Connect to 2RX, don't support APP connection.
● Scene mode switching, it can be set to 'HD mode', 'Balance mode', 'Speed mode' on TX
● Smart fan adjustment, there are 2 mode of fan adjustment function on TX and RX, 'Auto mode' and 'Quiet mode'
● Full-color LCD screen, Chinese/English menu language optional
● Rugged, CNC process metal shell, antenna and input interface are protected to prevent accidental drop damage
● Super electrostatic protection level, Tested on static electricity ±6KV, air static electricity ±8KV will not damage the device interface circuit
TX & RX port introduction
No. | Function | Detail |
❶ | TX | Transmitter |
❷ | HDMI IN | HDMI 1.4, maximum input 3840 * 2160p30 , compatible with 1080, 720 |
❸ | SDI IN | 3G-SDI，maximum input 1080p60 |
❹ | DC IN | DC power input interface, 6 ~ 16V wide voltage input, 12V 2A adapter power supply can be used |
Can be powered by V-Mount/G-Mount battery via D-TAP to DC cable | ||
❺ | RX | Receiver |
❻ | HDMI OUT | HDMI 1.4, maximum output 3840 * 2160p30 , compatible with 1080, 720 |
❼ | SDI OUT | 3G-SDI，maximum output 1080p60 |
❽ | 1/4 threaded hole | 1/4 standard threaded hole , for the installation of cold shoes, magic arm or other accessories |
❾ | NP-F battery holder | One-piece battery holder, suitable for NP-F970, F750, F550 batteries |
No. | Function | Detail |
❶ | Red 4K sign | Transmitter |
❷ | Blue 4K sign | Receiver |
❸ | Detachable antenna | 5.1GHz ~5.8GHz frequency range, SMA with hole antenna interface |
❹ | Full-color LCD screen | Device status information display, advanced menu and settings |
❺ | Multi-function rocker button | Up and down: Channel switching |
Short press: Confirm | ||
Long press: Enter Advanced Menu | ||
❻ | Switch | Power switch |
❼ | Type C interface | Insert the USB flash drive to upgrade the firmware |
TYPE C powered minimum input 5V 2.5A Note: Input 5V 1A/2A , the device will not work properly |
TX Display Icon Introduction
No. | Status | Detail |
❶ | Signal for receiver 1 | Packing TX*1, RX*1 by default |
❷ | Signal for receiver 2 | Need to purchase a separate receiver to pair with transmitter to get 2 receiver mode |
❸ | Battery life | NP-F970 about 5H when fully charge NP-F750 about 3H when fully charge NP-F550 about 2H when fully charge |
❹ | Video format | Input video format |
❺ | Channels | There are 8 channels, Android / iOS smartphones wifi able to connect on all channels |
❻ | Wi-Fi SSID | The Wi-Fi SSID of the device, has to be connected to this Wi-Fi before using APP |
❼ | Application mode | The scene mode of the current operation: HD mode, Balance mode, Speed mode |
RX Display Icon Introduction
No. | Status | Detail |
❶ | Signal strength | The signal strength of the device's wireless connection |
❷ | Battery life | NP-F970 about 5H when fully charge NP-F750 about 3H when fully charge NP-F550 about 2H when fully charge |
❸ | Video format | Input video format |
❹ | Channels | There are 8 channels, Android / iOS smartphones wifi able to connect on all channels |
❺ | Wi-Fi SSID | The Wi-Fi SSID of the device, has to be connected to this Wi-Fi before using APP |
❻ | Application mode | The scene mode of the current operation: HD mode, Balance mode, Speed mode |
Channel switching
Move the transmitter's rocker button ❶ up and down to switch channels; short press the rocker button ❶ to confirm to switch; usually, switch channel on the transmitter (TX), then the receiver(RX) will automatically follow to switch.
Pairing Introduction
Long press the rocker button ❶ of Transmitter(TX) and Receiver(RX), enter the advanced menu, select Pairing❷ at the same time, pairing will be successful in about 10 seconds❸
Note:
● The device from package has been paired before shiping, and they will be automatically connected after about 15 seconds of booting, does not need to be pairing every time
● If want to get 1 transmitter(TX) and 2 receiver(RX) mode, it have to additional purchased receiver and paired manually to TX;
Channel Scan Introduction
Long press the receiver (RX) rocker button ❶ to enter the advanced menu, select ‘Scan’❷, wait for about 10 seconds, the receiver will display the channel scan result❸. Red means the channel has interference, please do not use it, Green means the channel can be used.
Application scenarios - connection topology
Live Streaming
Single－camera + USB video capture card + computer
No. | Status | Detail | Typical application scenarios |
❶ | Transmitter（TX） | 4K30 only be supported by HDMI interface,SDI does not support 4K30 | E-commerce live streaming Teaching live streaming |
❷ | Receiver（RX） | ||
❸ | USB video capture card | If live streaming in 4K is requested, it have to choose a 4K USB capture card | |
❹ | Computer | OBS/VLC/Zoom/Youtube live etc. are available to up streaming | |
❺ | Live streaming platform server | Platform web server |
Multi-camera live streaming, generally use switcher/director, streamer
No. | Status | Detail | Typical application scenarios |
❶ | Transmitter 1（TX 1） |
| EFP Small webcasts Church live streaming Teaching live streaming |
❷ | Receiver 2（RX 1） | ||
❸ | Transmitter 2（TX 2） | ||
❹ | Receiver 2（RX 2） | ||
❺ | switcher/director | Multi-camera screen switching | |
❻ | Video encoder/streamer | For video encoding and push streaming | |
❼ | Live streaming platform server | Platform web server |
Filming monitoring
2 monitoring by 1 Transmitter to 2 Receiver
2 monitoring by 1 Transmitter to 1 Receiver and 1 small wireless monitor (our new product Mars M1)
3 monitoring by 1 small wireless monitor to 2 Receiver
No. | Status | Detail | Typical application scenarios |
❶ | Transmitter（TX ）/ small wireless monitor（TX） |
| Advertising shooting monitoring Short video shooting monitoring |
❷ | Receiver 1（RX1 ） | ||
❸ | Receiver 2（RX2 ）/ small wireless monitor(RX2) |
APP Monitoring
Monitoring by Monitor + App
Monitoring by Small wireless monitor + App
Monitoring by Small wireless monitor + Monitor + App
Mornitoring by App * 4
No. | Status | Detail | Typical application scenarios |
❶ | Transmitter（TX ）/ small wireless monitor（TX） |
| Monitoring of small advertising shoots Short video shooting monitoring |
❷ | Receiver (RX) / small wireless monitor(RX) | ||
❸ | Smartphone / Pad |
Quick to use
- Transmitter (TX) connected to camera's HDMI/SDI interface via an HDMI/SDI cable
- The HDMI output format setting of camera should be '4K/2K/1080p', and the camera HDMI information display 'off'
- The SDI output format setting of camera should be 1080p when connected via SDI
- Receiver (RX) is connected to the monitor/switcher/pilot/video capture card via HDMI/SDI cable
Transmitter Connection
No. | Status | Detail |
❶ | Mirrorless camera | SONY, Canon, Fujifilm, Nikon and others |
❷ | Camera | Panasonic, SONY |
❸ | Professional video camera | ARRI、RED、SONY |
❹ | USB charger | The charger must be 5V2.5A or above, 5V1A/2A power supply is insufficient, and device will not work properly |
❺ | USB flash drive | Upgrade via USB C flash drive / USB flash drive+ Type C conversion |
❻ | 1/4 Cold shoe | The device can be mounted on the hot shoe mount of the camera |
❼ | NP-F Battery | F970，F750，F550 |
❽ | D-Tap adapter cable | Able to connected to V-Mount/G-Mount battery |
❾ | 12V DC adapter | All Mars Series wireless transmission DC adapters are common |
Receiver Connection
No. | Status | Detail |
❶ | Monitor | Small or large monitor are supported |
❷ | Switcher/director | BMD、SONY、Panasonic and other switchers are supported |
❸ | Video Capture Card | Supported by all capture cards |
❹ | USB charger | The charger must be 5V2.5A or above, 5V1A/2A power supply is insufficient, and device will not work properly |
❺ | USB flash drive | Upgrade via USB C flash drive / USB flash drive+ Type C conversion |
❻ | Tripod | The receiver (RX) must be on tripod, at least 1.7 meters high, to avoid obstruction |
❼ | NP-F Battery | F970，F750，F550 |
❽ | D-Tap adapter cable | Able to connected to V-Mount/G-Mount battery |
❾ | 12V DC adapter | All Mars Series wireless transmission DC adapters are common |
HDMI output settings for the camera
'HDMI output format' setting of camera should be => 'AUTO/2160p/1080p❶'(2160=4K30),
'HDMI information display => 'Off'❷
'HDMI control' => 'Off'❷
SDI output settings for the camera
SDI does not support 4K30 on Mars 4K, only support 1080 format;
SDI setting of camera should be => 'SDI output' => 'On'❶, 'SDI output format' => 1920*1080❷
Special Precautions
About 4K
- 4K30 only be supported by HDMI interface,SDI supports 1080p60 at most,does not support 4K30,
- The supported 4K resolution is 3840*2160, not 4096*2160
- 4K30 video input to HDMI of Transmitter, there is only HDMI of the receiver (RX) can output 4K30p, the output video format of SDI is 1080
- All mirrorless cameras such as SONY A7M3, the screen of the camera will be off during the recording of 4K, there is only HDMI output.
About compatibility
- Mars 4K Transmitter (TX) can be paired with Mars M1 small monitor (RX) , can not be paired with Cosmo 007
- Mars 4K Receiver (RX) can be paired with the Mars M1 small monitor (TX)
- Mars 4K can not be paired with Mars 300/300Pro/400S/400S Pro
- TX SDI IN able to transmit on 23.98, 29.97, 59.94 fractional frame rate video, HDMI and SDI of RX are able to output at the same time
About power
- Mars 4K can be powered by DC 12V , and V-Mount/G-Mount battery via D-TAP to DC cable
- Mars 4K TYPE C powered minimum input 5V 2.5A, Input 5V 1A/2A , the device will not work properly
Generally, it is not recommended powered via Type C , especially do not use power bank to powered the device