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:
Remarkable Standby Duration: Featuring an extended standby time, our dual-battery system ensures uninterrupted functionality for a full 30 days.
Hassle-Free Pairing: Our transmitter and receiver pair universally without any need for reprogramming, streamlining the setup process.
Superior Protection: Engineered with an IP66 rating, our equipment withstands rain and oil pollution effortlessly.
User-Friendly Receiver: This heavy-duty receiver is not only robust and directly connectable but also lightweight, compact, and installs with ease.
Integrated Alerts: Equipped with both sound and light prompts during operation, eliminating the necessity for additional alarm systems.
Cost-Effective Design: Our modular approach ensures superlative cost efficiency without compromising on quality.



ABOUT US
OHM (Chongqing) Electronics Technology Co., Ltd.
Established in August 2013, OHM is a pioneering high-tech enterprise in industrial wireless remote control technology. We excel in R&D, production, sales, and comprehensive after-sales services. Our state-of-the-art manufacturing base is located in Chongqing, while our sales headquarters and after-sales service center in Shanghai ensure exceptional consulting, support, and service for all our clients.
As a frontrunner in the industrial wireless remote control sector, OHM stands by the principle of 'Creating Brilliance, Only Quality'. Our mission is to consistently deliver safe, reliable, and high-quality remote control products. We are dedicated to developing equipment that is safe, reliable, durable, and high-quality, thereby reducing user labor, enhancing efficiency, and providing a more convenient and secure operating environment across various industries, including construction, forestry, and mining.
OHM aims to be the most influential brand both domestically and globally in the field of industrial wireless remote control, representing the pinnacle of innovation and quality.

Industrial Remote Control and Its Advantages
Remote controls are ubiquitous in daily life, but industrial remote controls remain less familiar to the general public.
An industrial remote control system utilizes radio transmission to facilitate remote operation control of industrial machinery. Comprising a handheld or waist-mounted transmitter and a fixed receiving device, the system enables operators to input commands via the transmitter's operation panel. These commands are digitized, encrypted, and wirelessly transmitted to a remote receiving system, which decodes and converts them back into control instructions, thus managing various mechanical equipment.
Industrial remote controls demand higher technical standards than civilian counterparts, including greater accuracy, sensitivity, signal continuity, and resistance to interference. They must also withstand harsh environments, being dustproof, waterproof, and resistant to extreme temperatures and corrosive substances.
Widely adopted in industries such as metallurgy, shipbuilding, container terminals, warehousing, machinery manufacturing, chemicals, papermaking, and construction, industrial remote controls enable effective remote operations within a range spanning from 100 meters to several kilometers, unaffected by obstacles. Operators can carry a lightweight transmitter, move freely, and choose safe vantage points for operation, significantly enhancing safety and production efficiency.
What are the ADVANTAGES of industrial remote controls?
★ Cost-Efficiency: Transitioning from traditional cabs to remote control systems has proven to reduce both manufacturing and maintenance costs, now a standard in modern production processes.
★ Elevate Safety and Reliability: By eliminating the need for a command link, misunderstandings from improper commands are avoided. Operators gain a clear, direct view of hoisted items, significantly enhancing situational awareness. This remote operation minimizes risks associated with inclement weather and high-altitude tasks, preventing unnecessary accidents from miscommunication between operators and commanders.
★ Enhance the Operating Environment: Operators can select the safest angles, steering clear of positions with poor visibility and heavy pollution. This strategic positioning safeguards operators from harmful gases and other environmental hazards, ensuring a healthier workspace.
★ Optimize Human Resources: For instance, with 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 make independent, accurate judgments, leading to significantly improved operational precision and continuity. Unrestricted by cab constraints or operating lines, operators avoid discomfort from high temperatures and other environmental factors, thereby enhancing both morale and efficiency.
With the extensive adoption of industrial remote controls across various sectors, their benefits have become increasingly pronounced.