SM1370R 1.2G/1.3G 9CH Audio and Video Receiver: The Ultimate High-Sensitivity Solution for Professional FPV and Drone Applications

SM1370R Video Receiver Module

(1.2G~1.3G DIP Switch Control)

SM1370R 1.2G_1.3G 9CH Audio and Video Receiver High Sensitivity Super Strong RSSI Signal Detection

The SM1370R delivers low-latency CVBS video and stereo audio reception with hardware frequency selection. Optimized for long-range FPV drones and professional aerial systems, it features DIP switch channel programming and robust 1050-1360MHz coverage.

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1. Technical Specifications

Electrical Characteristics

Parameter	Specification
Supply Voltage	5.0V DC ±5%
Current Consumption	≤300 mA

Environmental Ratings

Parameter	Specification
Operating Temperature	-10°C to +65°C
Storage Temperature	-30°C to +85°C
Operating Humidity	≤85% RH (non-condensing)

RF Performance

Parameter	Specification
Frequency Range	1050 – 1360 MHz
VSWR	≤2:1
Demodulation	FM/PLL
LO Stability	±200 kHz
Receiver Sensitivity	-95 dBm ±2 dBm
Input Level Range	-95 dBm to +5 dBm
IF Bandwidth (3dB)	16.5 MHz
S/N Ratio	≥38 dB
RSSI Output	0.7V (-90dBm) to 1.3V (-30dBm)

Video Performance

Parameter	Specification
Output Level	1Vp-p
Signal Polarity	Negative
Frequency Response	±5dB (50Hz – 6MHz)
Differential Gain	≤ ±5%
Differential Phase	≤ ±5°

Audio Performance

Parameter	Specification
Output Impedance	2 kΩ
Output Level	1V ±0.2Vp-p
Frequency Range	100Hz – 20kHz
Carrier Frequencies	6.0MHz (AR), 6.5MHz (AL)
Carrier Precision	±30 kHz
S/N Ratio	≥50 dB
THD	≤1.5%

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2. Frequency Groups

Group	CH1	CH2	CH3	CH4	CH5	CH6	CH7	CH8
A	1080MHz	1120MHz	1160MHz	1200MHz	1240MHz	1280MHz	1320MHz	1360MHz
B	1080MHz	1120MHz	1160MHz	1200MHz	1258MHz	1280MHz	1320MHz	1360MHz

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3. Pin Functions

Pin	Label	Function
1	+5V IN	Power Input (5V DC)
2	S1	Frequency Group Select (0=Group B, 1=Group A)
3	GND	Ground
4	Audio A6.5 Out	6.5MHz Audio Channel Output
5	Audio A6.0 Out	6.0MHz Audio Channel Output
6	Video Out	CVBS Video Output
7-9	CS1-CS3	Channel Selection (3-bit binary)
10	RSSI	Analog Signal Strength Output (0.7-1.3V)
11-13	GND	Ground
14	ANT IN	Antenna Input (50Ω)
15	GND	Ground

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4. Channel Configuration

Control Logic:

S1 (Group Select):

1 = Group A

0 = Group B

CS3-CS1 (Channel Select):
Binary encoding for channels 1-8 (000=CH1, 111=CH8)

Truth Table:

Channel	CS3	CS2	CS1	Frequency (Group A)	Frequency (Group B)
1	0	0	0	1080 MHz	1080 MHz
2	0	0	1	1120 MHz	1120 MHz
3	0	1	0	1160 MHz	1160 MHz
4	0	1	1	1200 MHz	1200 MHz
5	1	0	0	1240 MHz	1258 MHz
6	1	0	1	1280 MHz	1280 MHz
7	1	1	0	1320 MHz	1320 MHz
8	1	1	1	1360 MHz	1360 MHz

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5. Typical Applications

Long-range FPV drone receivers

Professional aerial cinematography systems

Ground control station video links

Industrial inspection drones

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Compliance & Support:

FCC Part 15.249/CE EN 300 328 compliant

RoHS 3 certified

Operating Range: 1.2-1.3GHz (Check local regulations)

Specifications subject to change without notice. For DIP switch configuration guides, refer to SM1370R_QuickStart_v1.2.pdf

3) Channel Configuration Table (0 = Low Level, 1 = High Level)

Channel	Pin7 (CS3)	Pin8 (CS2)	Pin9 (CS1)	Pin2 (S1)
CH1: 1080 MHz	0	0	0	1
CH2: 1120 MHz	0	0	1	1
CH3: 1160 MHz	0	1	0	1
CH4: 1200 MHz	0	1	1	1
CH5: 1240 MHz	1	0	0	1
CH6: 1280 MHz	1	0	1	1
CH7: 1320 MHz	1	1	0	1
CH8: 1360 MHz	1	1	1	1
CH9: 1258 MHz	1	0	0	0

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4) RSSI Output Voltage Reference

Measured using E44218 Signal Generator as input source at 1080MHz. For reference only.

Input Signal Strength	RSSI Output Voltage	Input Signal Strength	RSSI Output Voltage
-90 dBm	0.38 V	-60 dBm	1.035 V
-85 dBm	0.48 V	-55 dBm	1.15 V
-80 dBm	0.58 V	-50 dBm	1.24 V
-75 dBm	0.68 V	-45 dBm	1.26 V
-70 dBm	0.81 V	-40 dBm	1.28 V
-65 dBm	0.92 V	-30 dBm	1.46 V

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5) Application Circuit

U1: LM7805 Voltage Regulator

Power Input: +5V

Connectors:

RE (10-pin 2.54mm header)

DCN

Capacitors:

C1: 47μF/16V (Electrolytic)

C2: 100nF (103 Ceramic)

C3: 100μF (107 likely denotes 100μF)

C4: 100nF (103 Ceramic)

Signal Connections:

SURX (Likely Serial Receive)

Video Out

Other:

GND (Ground)

NC (No Connection)

NIC (No Connection / Not Integrated Circuit)

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Introduction: The Critical Role of Advanced Receivers in Modern Drone Operations

The evolution of drone technology has transformed numerous industries, from cinematography to precision agriculture. At the heart of every successful drone operation lies a robust audio and video transmission system, ensuring real-time data flow between the unmanned aerial vehicle and its ground control station. The SM1370R 1.2G/1.3G 9CH Audio and Video Receiver represents a significant advancement in this field, engineered to deliver exceptional sensitivity (-95dBm), superior RSSI signal detection, and seamless compatibility with various GPS drone module systems. This comprehensive audio and video receiver solution stands out for professional applications where signal reliability is non-negotiable.

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Technical Specifications: Engineering Excellence in Signal Reception

1. Dual-Band Compatibility and Channel Flexibility
   Operating in the 1080MHz–1360MHz range, this advanced audio and video receiver avoids congested 5.8GHz bands dominated by Wi-Fi signals, significantly reducing interference. Its 9-channel design allows pilots to dynamically switch frequencies during operation, adapting to changing environmental conditions. This GPS drone module compatible system ensures stable performance even in challenging RF environments.
2. High Sensitivity Performance and RSSI Detection
   With an impressive -95dBm sensitivity, the SM1370R audio and video receiver captures weak signals effectively, minimizing video dropouts during critical operations. The advanced RSSI (Received Signal Strength Indicator) provides real-time feedback on link quality, enabling operators to make proactive adjustments to maintain signal integrity. This feature is particularly valuable when integrated with precision GPS drone module systems for navigation.
3. Comprehensive Audio-Visual Capabilities
   Unlike conventional video-only receivers, this sophisticated audio and video receiver supports full bidirectional communication, enabling applications requiring voice transmission alongside visual data. The receiver’s multiple output formats (CVBS/PAL/NTSC) ensure compatibility with most ground station equipment and FPV goggles, making it an ideal companion for GPS drone module equipped systems.

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Integration with GPS Drone Modules: Enhanced Navigation and Operational Safety

The synergy between the SM1370R audio and video receiver and modern GPS drone module systems creates a comprehensive solution for professional drone operations. This integration offers several critical advantages:

1. Redundant Data Systems
   While the GPS drone module provides centimeter-level positioning accuracy, the SM1370R audio and video receiver ensures uninterrupted video and audio transmission. This redundancy is crucial for Beyond Visual Line of Sight (BVLOS) operations where regulatory compliance demands multiple reliable data streams.
2. Interference Management
   The audio and video receiver’s clean 1.2G/1.3G frequency band reduces electromagnetic cross-talk with GPS drone module systems, ensuring both positioning data and video remain stable even in electrically noisy environments.
3. Real-Time Telemetry Integration
   The receiver’s RSSI data can be seamlessly integrated with GPS drone module coordinates through On-Screen Display (OSD) systems, providing operators with comprehensive situational awareness during missions.

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Comparative Analysis: SM1370R Versus Conventional Solutions

Feature	SM1370R Audio and Video Receiver	Standard 5.8GHz Receivers
Frequency Band	1.2G–1.3G (low interference)	5.8GHz (Wi-Fi congestion)
Sensitivity	-95dBm (high performance)	-80 to -90dBm
Audio Support	Comprehensive bidirectional capability	Limited or absent
GPS Integration	Seamless with major GPS drone module systems	Requires additional hardware
Environmental Adaptability	Excellent in urban and natural environments	Limited in congested areas

Table: Technical comparison demonstrating the SM1370R’s advantages for professional applications.

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Practical Applications: Where the SM1370R Excels

1. Industrial Inspection and Monitoring
   The SM1370R audio and video receiver provides reliable video links for infrastructure monitoring, particularly when integrated with precision GPS drone module systems for accurate positioning and navigation.
2. Search and Rescue Operations
   The receiver’s audio capabilities enable communication between ground teams and operators, while its compatibility with GPS drone module systems ensures accurate location tracking during critical missions.
3. Precision Agriculture
   When paired with specialized GPS drone module systems, this audio and video receiver supports variable-rate applications and crop monitoring over large areas without signal degradation.
4. Cinematography and Professional Photography
   The high-quality video transmission and reliable performance make this audio and video receiver ideal for professional media production, especially when working with GPS drone module equipped cinema drones.

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Optimization and Best Practices

1. Antenna Selection and Configuration
   Pair the SM1370R audio and video receiver with circularly polarized antennas to minimize multipath interference and optimize performance when used with GPS drone module systems.
2. Power Management Strategies
   Ensure stable voltage input to maintain the receiver’s sensitivity characteristics, particularly important when operating alongside power-hungry GPS drone module systems.
3. System Integration Techniques
   Proper physical separation between the audio and video receiver components and GPS drone module elements reduces potential interference and ensures optimal performance of both systems.

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Market Position and Value Proposition

The SM1370R audio and video receiver occupies a unique position in the professional drone market. Its mid-range pricing ($90–$150) makes it accessible to serious enthusiasts and professional operators alike, while its performance characteristics rival more expensive solutions. The receiver’s compatibility with various GPS drone module systems adds significant value, creating a comprehensive solution for demanding applications.

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Future Development and Industry Trends

The SM1370R audio and video receiver platform is well-positioned to evolve with emerging industry trends:

1. Advanced Integration Capabilities
   Future developments may include enhanced digital interfaces for smoother integration with next-generation GPS drone module systems and flight controllers.
2. Intelligent Signal Processing
   Potential firmware updates could incorporate machine learning algorithms for automatic interference avoidance and signal optimization.
3. Expanded Frequency Support
   The platform’s architecture allows for potential expansion to additional frequency bands while maintaining compatibility with existing GPS drone module systems.

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Conclusion: The SM1370R as a Strategic Choice for Professional Drone Operations

The SM1370R 1.2G/1.3G 9CH Audio and Video Receiver represents a sophisticated solution for demanding drone applications. Its exceptional sensitivity, comprehensive feature set, and seamless integration capabilities with modern GPS drone module systems make it an ideal choice for professional operators. The receiver’s ability to maintain reliable communication links in challenging environments, combined with its flexible configuration options, establishes it as a valuable component in any serious drone operation.

Explore Further:

• Advanced Receiver Design Principles
• GPS Integration Techniques for Drone Systems
• Drone Communication Systems Regulation

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Enhance your drone operations with the SM1370R—where advanced audio-video technology meets precision GPS navigation.