Product Specifications
Radio Communication:
| 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 Attributes:
| Transmitter weight: 320g (without battery) |
| Transmitter size: 193mm x 62mm x 50mm (length x width x height) |
| Transmitter shell material: high-strength engineering plastics |
| Receiver weight: 1250g |
| The overall size of the receiver: 248mm 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 |
Safety Standards Compliance:
| 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 Devices:
| 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, 8 single-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 |
Included Standard Accessories:
| Transmitter lanyard: 1 |
| Receiver antenna: 1 |
| Receiver anti-vibration pad: 4 |
| Receiver mounting screws: 4 sets |
| Instruction manual: 1 set (Chinese and English) |
B08 Transmitter Overview:
Ergonomically engineered for maximum comfort;
Advanced technology ensures a comfortable grip and precise gear positioning;
Keys designed to endure up to one million presses;
Equipped with a high-speed CPU, ensuring a response time of ≤20ms;
Dual encapsulation technology for superior shock and drop resistance;
Intelligent keys with impeccable backup capabilities;
Convenient fixed-point storage for easy on-site use and management.
ABOUT US
OHM (Chongqing) Electronics Technology Co., Ltd.
Established in August 2013, OHM is a pioneering high-tech enterprise specializing in industrial wireless remote control equipment. We integrate R&D, production, sales, and after-sales services. Our state-of-the-art manufacturing base is in Chongqing, with a dedicated sales headquarters and after-sales service center in Shanghai. We provide comprehensive consulting, support, and after-sales services in the realm of industrial wireless remote control technology.
As a frontrunner in the industrial wireless remote control sector, OHM upholds the principle of 'creating brilliance, only with quality'. Our mission is to consistently offer safe and reliable industrial wireless remote control products. We are devoted to the development of equipment that is safe, reliable, durable, and of the highest quality. Our solutions aim to reduce labor, enhance efficiency, and provide operators with a safer and more convenient working environment across various industries including construction, forestry, and mining.
OHM is dedicated to becoming the most influential brand in the domestic and global industrial wireless remote control market, solidifying our position as the nation's premier brand.
Fornecedor Auditado 
