Model OSDJ-4 Bone-conduction Transmitter-receiver Headset is a kind of audio terminal specially equipped with the broadcasting stations. It adopts soft pate belt and fixed neck ring double earmuff structure. The transmitter adopts pate contact bone-conducted way and the receiver adopts air-conducted dynamic devices. It has the features of high stability and reliability performance, therefore, it is the ideal transmitting and receiving voice signal product equipped with modern communication devices.
Main Functions and Characteristics:
It can equip with the helmet and it is comfortable in wearing and easy for operation.
The transmitter adopts pate contact bone-conducted transmitter, which has good noise reduction, clear voice and high understandability performances.
It has great adaptability and can be widely used in kinds of complicated environment.
Main Technical Specifications:
Operating temperature: -40ºC~+55ºC
Frequency range: 200Hz~4000Hz
Operating voltage: (3~9)V DC
Operating current≤ 10mA
Transmitting sensitivity≥ 30mV/0.316g(1000Hz)
Receiving impedance: 2× 16(1± 20%)Ω (1000Hz)
Receiving sensitivity: Not less than 90dB/mW(1000Hz)(with earmuff)
Shaanxi Fenghuo Hongsheng Science & Technology Co., Ltd (Previous State-run No. 4381 Factory) is located on No. 72, Qingjiang Road, Baoji City, Shaanxi Province, China. The company is one of the special branch companies of Shaanxi Fenghuo Electronics Co., Ltd, which is the special pointed company in which the electro-acoustical products are developed, produced and sold, is the important unit of being matched with the military and civil using electro-acoustical products in the electro-acoustical product industry in China and is also the fixed manufacturing enterprise of the military electro-acoustical communication terminal products as well as the science and research production base of the electro-acoustical products.
The main military and civil products that are developed and produced by the company are divided into the several series electro-acoustical products such as the various speaker series, the electro-acoustical devices and component series, the electroacoustic combined device series like the various handheld handsets, headsets, helmets and communication caps, the wire communication product series. The military products are complete in specifications and its performances have come up to or better than the foreign like products; The products have widely equip with air force, navy, signal corps, etc...The civil products are widely matched with the audio-frequency terminal, the acoustic equipment, the alarm device of domestic appliance, civil aviation, the railway and energy sources for wireless or wire communication.
Shaanxi Fenghuo Hongsheng Science & Technology Co., Ltd. Has been cognized as the high-new-tech enterprise by Science and Technology Department of Shaanxi Province, Finance Department of Shaanxi Province, National Taxation Bureau of Shaanxi Province, and Local Taxation Bureau of Shaanxi Province. In September, the year 2005, the company passed through the environment management system authentication and was issued with the certificate GB/T24001-1996(ISO14001: 1996). In September, the year 2008, the company passed through the environment management system authentication and was issued with the certificate GB/T24001-2004/ISO14001: 2004; In November, the year 2011, the company passed through the authentication reexamination of it. In September, the year 2011, the company passed through the quality management system authentication and was issued with the certificate GB/T19001-2008 idt ISO9001: 2008 & GJB9001B-2009.
Shaanxi Fenghuo Hongsheng Science & Technology Co., Ltd. Always insists on the spirit"Sincere service, Customers first". Our company will satisfy the customers' requirement with the first-class products and first-rate service. Our company is willing to operate in mutual benefit, common development, in cooperation with all friends.
