Working temperature: -25ºC-70ºC |
Working humidity: ≤97%RH |
Communication distance: ≥80m |
Transmitter:
Dimensions: 198mm x 58mm x 49mm |
Product weight: 350g(without battery) |
Shell material: high-strength engineering plastics |
Protection level: IP66 |
Communication method: instant messaging |
Transmitting frequency: 400-470MHz |
Transmitting power: ≤10mW |
Operation form: button type |
Number of keys: ≤10 |
Working power supply: 3.0V (two dry batteries in series) |
Working electric current: ≤30mA |
Standby electric current: ≤0.5mA |
Status display: LED |
Antenna: built-in |
Receiver:
Dimensions: 162mm x157.5mm x 63mm |
Product weight: 750g |
Shell material: high-strength engineering plastics |
Protection level: IP65 |
Power supply: 48V AC or 220V AC |
Rated power: ≤6W |
Status display: combined sound and light display |
Antenna: built-in |
Output mode: ≤12 relays |
Relay capacity: 4A/250V AC |
Output interface: HAN10 or HAN16 heavy-duty connector |
A12 Description:
Featuring long standby duration, our two batteries sustain operations for an impressive 30 days;
Seamlessly paired transmitter and receiver without the need for reprogramming;
IP66 protection grade ensures resilience against rain and oil contamination;
Heavy-duty receiver with direct connection, yet lightweight and compact for quick and effortless installation;
Integrated sound and light prompts during operation, eliminating the need for additional alarm systems;
Engineered with a modular design, offering exceptional cost-effectiveness.



ABOUT US
OHM (Chongqing) Electronics Technology Co., Ltd.
Founded in August 2013, OHM stands as a high-tech enterprise specializing in industrial wireless remote control equipment. We integrate R&D, production, sales, and after-sales services. Our robust production base is located in Chongqing, while our sales headquarters and after-sales service center in Shanghai ensure comprehensive support and consultation for industrial wireless remote control technology.
As a trailblazer in the industrial wireless remote control sector, OHM upholds the corporate principle of 'creating brilliance, only quality' and the mission of 'providing consistently safe and reliable industrial wireless remote control products.' We are dedicated to developing robust, reliable, and high-quality equipment that enhances user efficiency and safety across industries such as construction, forestry, and mining.
OHM is devoted to becoming the foremost domestic and global leader in industrial wireless remote control products, symbolizing the nation's premier brand in remote control technology.

Industrial Remote Control and Its Advantages
Remote controls are ubiquitous in daily life, yet industrial remote controls remain less familiar to the general public compared to civilian counterparts.
An industrial remote control leverages radio transmission to remotely operate industrial machinery. It comprises a handheld or waist-mounted transmitter and a fixed receiving device installed on the equipment. Operators input commands into the transmitter, which then digitizes, encodes, and encrypts the instructions for wireless transmission. The receiving system decodes these instructions to execute precise control over various mechanical equipment.
Industrial remote controls demand higher standards of accuracy, sensitivity, signal continuity, anti-interference capabilities, remote control range, and resistance to environmental factors like water, dust, extreme temperatures, and chemicals, setting them apart from civilian remote controls. Their robust design ensures performance in harsh conditions and demonstrates why civilian remote controls cannot replace them.
Industrial remote controls find critical applications in industries utilizing cranes, such as metallurgy, shipbuilding, container terminals, warehousing, machinery manufacturing, chemicals, papermaking, and construction. They facilitate efficient remote operations within a substantial range, unaffected by obstacles. Operators can freely move while maintaining a safe visual position for operation, mitigating risks associated with poor visibility, environmental hazards, or miscommunication. This not only guarantees operator safety but also significantly boosts production efficiency.
What are the ADVANTAGES of industrial remote controls?
★ Lower manufacturing and maintenance expenses: Replacing traditional cabs with remote control systems has become a standard practice, streamlining production processes.
★ Enhance Safety and Reliability: By eliminating the command link, we can avoid misunderstandings caused by improper commands. The operator benefits from an intuitive, direct view of the hoisted items, ensuring safer operations. This system also mitigates the risks faced by tower crane operators in inclement weather, reducing the chances of accidents due to miscommunication during high-altitude tasks.
★ Optimize Operating Environment: Operators can select the safest angle to work from, avoiding positions with poor visibility and severe pollution. This proactive approach ensures that they are safeguarded from harmful gases, leading to a healthier and safer working environment.
★ Reduce Human Resource Needs: For instance, in the case of a bridge crane, a single operator can manage operation, mooring, hanging, and unloading tasks independently, eliminating the need for additional command personnel.
★ Boost Work Efficiency: Operators can make independent judgments, significantly improving the accuracy and continuity of operations. The freedom from the constraints of upper and lower cabs and operating lines prevents the physical discomfort caused by high temperatures in the cab, thereby enhancing morale and operational efficiency.
With the extensive adoption of industrial remote controls across various sectors, their advantages have become increasingly evident, showcasing the potential for improved efficiency and safety.