Product Parameters
Radio Specifications:
| Frequency range: 400-470MHz |
| Transmission rate: 9600bit/s |
| Transmitted power: ≤10mW |
| Frequency tolerance: 4ppm |
| Adjacent channel rejection: >50dB |
| Modulation mode: GFSK (Gaussian Frequency Shift Keying) |
| Channel spacing: 25Hz |
| Receiving sensitivity: -115dBm |
| Check method: CRC-1TM |
| Response time: ≤20ms |
Physical Specifications:
| Transmitter weight: 360g (without battery) |
| Transmitter size: 226mm x 62mm x 50mm (length x width x height) |
| Transmitter shell material: high-strength engineering plastics |
| Receiver weight: 1440g |
| The overall size of the receiver: 298mm x 206mm x 75mm (length x width x height) |
| Receiver installation size: 184mm x 88mm |
| Receiver installation aperture: Φ6mm |
| Receiver shell material: high-strength engineering plastic |
| Working temperature range: -25ºC-70ºC |
| Working humidity range: 0-97%RH |
Adherence to Safety Standards:
| JB/T8437-2015 |
| EN ISO 13849 Class D |
| Radio Transmission Equipment Type Approval Certificate (State Radio Regulatory Commission of the People's ***) |
| Crane remote control device safety qualification certificate (Liao'an Institute) |
Executive Device Details:
| Real-time: real-time control technology |
| Frequency control: PLL phase-locked loop |
| Special address code: 32bit>4.2 billion |
| Control distance: >100m |
| Transmitter form: button type, 10 double-speed buttons |
| Transmitter power supply: 3.6V-4.5VDC (3 AA batteries or rechargeable batteries) |
| Transmitter working current: ≤30mA (except for special systems) |
| Transmitter low voltage alarm: sound and light alarm (3.3-3.5VDC) |
| Transmitter failure alarm: multiple combinations of sound and light alarm |
| Power saving protection: automatic shutdown (can be set for 0-30 minutes) |
| Transmitter antenna: built-in |
| Receiver power supply: 42-250VDC/10-30VDC/380VAC optional |
| Rated power of receiver: ≤6W |
| Receiver fault display: LED work/fault status display |
| Output mode: fully airtight relay output; *non-standard custom PROFIBUS-DP, CANOPEN |
| Relay contact capacity: 4A/250VAC |
| Output interface: terminal output (including pipe joints); *non-standard HAN16, 25 heavy-duty connectors can be added |
| Receiver antenna: external |
Standard Accessories Included:
| Transmitter lanyard: 1 |
| Receiver antenna: 1 |
| Receiver anti-vibration pad: 4 |
| Receiver mounting screws: 4 sets |
| Instruction manual: 1 set (Chinese and English) |
OHM B08 Description:
Ergonomically designed for user comfort;
Featuring advanced technology, it ensures a comfortable grip and clear gear position;
Keys boast an impressive lifespan of up to one million presses;
Equipped with a high-speed CPU, ensuring a lightning-fast response time of ≤20ms;
Utilizes secondary encapsulation technology for superior shock and drop resistance;
The smart key offers flawless backup functionality;
The fixed-point storage device of the transmitter facilitates convenient on-site use and efficient management.
The fixed-point storage device of the transmitter facilitates convenient on-site use and efficient management.
ABOUT US
OHM (Chongqing) Electronics Technology Co., Ltd.
Established in August 2013, OHM (Chongqing) Electronics Technology Co., Ltd. is a pioneering high-tech company specializing in the R&D, production, sales, and after-sales service of industrial wireless remote control equipment. Our production and manufacturing base is located in Chongqing, while our sales headquarters and after-sales service center are based in Shanghai, ensuring comprehensive consulting, support, and service for our clients.
As a trailblazer in the industrial wireless remote control sector, OHM abides by the principle of 'Creating Brilliance, Only Quality.' Our mission is to consistently deliver safe, reliable, durable, and high-quality industrial wireless remote control products. We strive to reduce labor costs, enhance efficiency, and provide operators with a more convenient and safer working environment across industries such as construction, forestry, and mining.
OHM is dedicated to establishing itself as the most influential brand in both domestic and global markets for industrial wireless remote control products, aiming to be the nation's foremost brand in the field.
Audited Supplier 
){kind=link}
){kind=link}