CMS42
Specification(Version 1.0)
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Preface
⚫ About the Specification
The Specifications provide details on the components and parameters of the DP7WQ-RT
product. All content, including text, images, and graphics, is owned by Shenzhen Streamax
Technology Co., Ltd. No part of this document may be reproduced, extracted, or modified
without prior written consent from the company. The Specifications are provided without
any warranties unless otherwise stated.
This document is intended for authorized users and technical support personnel. The
product images and screen content are for reference only, and the actual product
(including appearance, color, size) may vary. Please refer to the physical product for
accurate details.
The data in this document are theoretical values based on testing in Streamax Technology's
internal lab. Actual performance may vary due to factors like product differences, software
versions, usage conditions, and environment.
Streamax may update or adjust the Specifications from time to time to reflect changes in
the product's performance, features, or components, without prior notice.
⚫ Responsibility Disclaimer
The products described in this document are provided "as is" with no warranties, express or
implied, including but not limited to merchantability or fitness for a particular purpose.
Streamax is not liable for any damages, including loss of profits, data, or documentation,
resulting from the use of the product or Specifications.
Streamax is not responsible for security risks such as cyber-attacks, hacking, or virus
infections when the product is connected to the internet. However, we will provide
technical support as needed.
You agree to comply with all applicable laws when using this product. Streamax is not liable
for any misuse of the product or any violation of third-party rights.
In case of conflict between the Specifications and applicable laws, the laws will take
precedence.
Copyright © 2025 Shenzhen Streamax Technology Co., Ltd. All rights reserved.
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Symbol Explanation
The following symbols are used to categorize and explain potential hazards that may arise
from improper operation
Symbol
Explanation
Warning: Conditions that could jeopardize the safety of the user or cause
injury
Important: Conditions that may lead to data corruption or damage to the
device’s firmware or hardware
Note: Additional information, explanations of terms, and other relevant
details
Product Introduction
The CMS42 is a 7-inch high-definition quad-split in-vehicle wireless display with 4 channel
wireless cameras designed to meet the monitoring needs of various commercial vehicles,
including DP7WQ-RT and 972C42 :
1. Supports 4-channel wireless camera input with transmission security.
2. Features both touchscreen and physical button controls for convenient operation.
3. Offers image adjustment functions such as mirroring, flipping, rotation, brightness,
saturation, contrast, and hue tuning. Additionally, it supports 5 trigger line inputs with
configurable priority and display modes to accommodate diverse user scenarios.
4. Provides up to 7 split-screen display modes with freely combination camera channels,
ensuring adaptability to various application scenarios.
5. Equipped with a 7-inch IPS screen featuring wide viewing angles for flexible installation
positions.
6. With a high brightness level of 800 cd/m², the screen remains clearly visible even under
strong light. Automatic day/night backlight adjustment for all-weather applications.
7.Wireless camera designed to be IP69K dustproof and waterproof with high reliability.
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8.Wireless camera Supporting infrared lighting, the infrared light can reach up to 10m.
9. Wireless vehicle transmission distance up to 120 meters (open distance design up to 300
meters).
10.With its comprehensive feature set and high degree of user customization, the DP7WQ-
RT is well-suited for a wide range of applications, including commercial vehicles,
agricultural machinery, and construction equipment.
Features
⚫ 7-inch high-definition quad-split display and single channel display ;
⚫ Supports 4-channel wireless high definition camera input;
⚫ Supports network transmission and local storage
⚫ supports wireless automatic frequency hopping function
⚫ Supports touchscreen and button operation;
⚫ Image mirroring, flipping, and rotation functions;
⚫ Supports multiple country languages;
⚫ Supports trigger priority and trigger display mode settings;
⚫ Supports auto-scan function, with configurable display modes and switching time;
⚫ Supports LCD auto backlight adjustment;
⚫ Supports 9-36V wide voltage input, compatible with 12V and 24V vehicle power;
⚫ Supports up to 4-channel 720p wireless video recording.
⚫ Wireless vehicle transmission distance up to 120 meters (open distance design up to
300 meters).
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Specifications
Product display model：DP7WQ-RT
Language
Options: Chinese, English
Default: English
Screen size
7Inch IPS
Resolution
1024*600*3(RGB)
Contrast
1000:1
Brightness
800cd/m2
Viewing Angle
U:85°/ D:85°/ R:85°/ L:85°
Touch
7inch capacitive touchscreen
Button
Power,Mode,Menu,Plus,Select,Minus
Video support
Video channels
4 channel wireless camera input
Input format
720P30 / 720P25
Video Input
Wireless digital video
Interface
IO Interface
5 trigger inputs, support 36V withstand voltage, 3.9V
threshold voltage
RS232
1 Channel
USB2.0 Host
1 Channel
Ethernet
1 Channel
Driving recorder
Video recording
4-channel video recording
Encoding mode：VBR/CBR
Maximum
capability
4-channel 720P 25/30 frame recording
Storage
Micro SD Card
Micro SD Card，Max 512G
Power
5
Power supply
9-36V
Power consumption
Full:approximately 8W
Environment
Operating
temperature
-20℃~+70℃（-4℉~+158℉）
Storage
temperature
-30℃~+80℃（-22℉~+176℉）
humidity
15% - 90%
Protection level
IP30
Vibration level
2.17G
General Specifications
Device size
With sunshade W182.00 mm x D64.50 mm x H122.00
mm (7.17" × 2.54" × 4.80" )
Without sunshade W182.00mm x D27.50mm x
H122.00mm (7.17" × 1.08" × 4.80")
Product Net Weight
1090g (2.40 lb)
Product camera model：972C42
Language
Options: Chinese, English
Default: English
Image device
1/2.9〃2M pixel CMOS
Resolution
1920*1080
minimal
illumination
0.0lux (IR on)/0.1lux (colour)
Lens/FOV
2.1mm/HFOV: 140° VFOV: 75° ±5° error
Infrared distance
Infrared light can reach up to 10m
Shutter Speed
1/60s to 1/50,000s (automatic shutter)
noise-signal ratio
≥ 42dB
Day and night
mode
ICR filter
Scanning system
line by line scan
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White balance
Automatic tracking of white balance
Automatic gain
Support
3D noise reduction
Support
Backlight
compensation
Support
Digital wide
dynamic
Support
Wireless transmission specification
Wireless operating
frequency
802.11b:2412-2462MHz，
802.11g:2412-2462MHz
802.11n HT20:2412-2462MHz，
802.11n HT40:2422-2452MHz
wireless protocol
IEEE802.ax （Pwifi）
Transmission
distance
300m (open field)
Output power
26dbm±1
Accept sensitivity
-98DB
RF ratio
(bandwidth)
HT20/HT40
Spread-spectrum
Pwifi OFDM
Video delay
Within 200ms
Power
Power supply
9-36V
Power consumption
IR ON：Typical approximately 5W
IR OFF: approximately1.8 W
Environment
Operating
temperature
-30℃~+70℃（-4℉~+158℉）
Storage
temperature
-30℃~+80℃（-22℉~+176℉）
humidity
15% - 90%
Protection level
IP69K
7
Vibration level
5.79G
General Specifications
Device size
With sunshade L126.50 mm x W92.50 mm x H78.50 mm
(4.15" × 3.03" × 2.58" )
Product Net Weight
460g*4 (1.01*4 lb)
Product Gross
Weight
3580g (7.89 lb)
Packing box size
L350mm*W285mm*H240mm (11.48" × 9.35" × 7..87")
Packing List
DP7WQ-RT*1、972C42*4、U-shaped mounting bracket*1、monitor mounting
screw package*1, monitor angle adjustment screw package*1、Box-end wrench
*1
Because the configurations in different regions vary, the final result is
subject to the unpacking result
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Product Appearance and Component Names
Dimension Diagram
DP7WQ-RT（Unit mm）
Left View
Main View
9
Right View
Back View
Adjustable angle
Bracket mounting hole position
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972C42（Unit mm）
Left View
Main View
11
Right View
Back View
Bracket mounting hole position
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System Connection Diagram
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Cable Details
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Special Notes
⚫ This product needs to be installed by professionals to prevent the risk of it falling off.
⚫ When this product is in direct sunlight, the surface temperature will exceed 60
degrees . Please do not touch it to prevent burns.
⚫ This device complies with Part 15 of the FCC Rules. Operation is subiect to the
following two conditions:
(1) this device may not cause harmful interference
(2) this device must accept any interference received, including interference that may
cause undesired operation.
15.21
Any changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
15.105
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio
or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/TV technician for help.
Radiation Exposure Statement
More than 20cm
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
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environment. This equipment should be installed and operated with minimum distance of 20 cm
between the radiator and your body. This transmitter must not be co-located or operating in
conjunction with any other antenna or transmitter.
