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Bluetooth RS485 adapter can be applied to all kinds of home appliances, equipment (such as medical treatment equipment) and other electronic information products. As a cable replacement program, it can connect the single-chip processor or processor directly via using PnP mode to achieve the wireless data transmission among equipments transparently. Bluetooth RS485 adapter can be divided into Master device and Slave device which can be matched as one set. When the circuit of the Bluetooth RS485 adapter hardware is connected correctly and powered up, the master and slave device will establish a connection automatically and identify & memory each other. Then, the user's device can use the Bluetooth RS485 adapter as the same as using a serial cable.
Bluetooth RS485 adapter can be used independently as well, excluding using by match. When user’s equipment equipped with a Slave Bluetooth RS485 adapter, other Bluetooth devices, such as Bluetooth PDA can search out this Bluetooth RS485 adapter and find out the services provided, and then establish connection and communicate with it through these services. For the communication of the users ’equipments, Bluetooth RS485 adapter can still be used as serial line.
Specification | Compliant with Bluetooth 2.0 Specification |
RF output power | CLASS 2 Standard |
Operating Frequency | ISM Frequency 2.400~2.483MHz |
Spectrum extensions | FHSS |
Antenna | Built-in antenna |
Sensitivity | <-88dBm at < 0.1% BER |
protocol | LM,LC,L2cap,SDP,RFCOMM |
Support services | Bluetooth serial protocol (Bluetooth Serial Port Profile) |
Maximum connection number | As master devices, it can connect 7 slave devices at the same time at most. |
Power | Plug power supply and DB9 seat power supply, 5 ~ 9V 100mA rated current |
Communication Interface | Barrierless RS485 |
Connector | DB9 Male |
Signal pin | RS485-A,RS485-B,GND |
energy-saving | Automatic power saving mode, support low-power operating mode / high-speed operating mode |
Security | Security certification, data encryption |
Baud rate | 1.2K~230.4Kbps |
LED indicator | Power indicating, connection status, operating mode |
Applied range | PC,MCU,PDA,mobile phone and so on |
Maximum connection distance | Open field 10 meters |

Chongqing Jinou Science & Technology Development CO., Ltd is established in September 2000. We focus on Bluetooth Technology as a leader in China for 15 years. Jinou Bluetooth Technology Research Institute shoulders R & D task for our customers and help them keep top position in their field needless to mention some of them even went IPO.
Our engineers has published more than 10 works in Bluetooth technology , such as Bluetooth Technology, Bluetooth Protocol and Source Code Analysis, Wireless Local Area Network, Wireless Network Security, IPTV and Its Solution, Zigbee Technology and Cases Analyses, ULP Bluetooth Technology Specification Analyses, etc.. In addition, they also present more than 80 Disquisitions and more than 60 patents.
In recent years, Jinou has partnerships with Mediacom, Gamestop, Microsoft, ARM, Invengo, HUAWEI,POTEVIO, Southsurvey, Chongqing CHANGAN, Hanwei, SNBC, Newland Group, Hi Target, CMCC, China UNICOM, CQTV, IT University of Copenhagen, Peking University, Tsinghua University, Chongqing University, Chongqing University of Posts and Telecommunication etc..
Some of our products like Smart Socket[Bluetooth/ WiFi/ infrared], Bluetooth headphones, Bluetooth Smart Controller, Fly Mouse, Bluetooth Locks, Bluetooth Medical Module, Wearable Bluetooth Module, Beacon etc., are welcomed by all people around the world except the residents from North pole and South pole.



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