Bluetooth serial port adapter communicates up to 1000 m

connectBlue's RBS433 has a plug-and-play solution and can interface with any device that has an RS232/422/485 port and communicates up to 1000 meters.


connectBlue's Rugged Bluetooth Serial Port Adapter RBS433 replaces the Rugged Bluetooth Serial Port Adapter RSPA333s. In addition to the features found in the former device, the RBS433 also offers greater throughput and longer range (1000 meters). The new Bluetooth Serial Port Adapter is compatible throughout connectBlue product generations and technologies, providing a seamless upgrade possibility without the need for product redesign, upgrade investments or qualification approvals.

The Serial Port Adapter is radio type approved for FCC, IC and R+TTE, compliant with EMC, Safety and Medical standards and Bluetooth 2.1+EDR qualified (3.0 prepared via firmware upgrade). These certificates allow customers to save on development resources and easily integrate wireless communication without having to go through lengthy and costly approval and qualification processes.

“Our broad product range ensures that customers only pay for the features they need. If at any stage a customer’s requirements change, the product’s compatibility with other connectBlue products will allow the customer to easily change over to another Serial Port Adapter, for example Wireless LAN, or in more complex cases, we can develop a tailored solution,” says Rolf Nilsson, CEO of connectBlue.

The new Rugged Bluetooth Serial Port Adapter also incorporates sophisticated technical features for enhanced performance including Wireless Multidrop that allows up to seven devices to communicate simultaneously, Extended Data Mode for individual control of the channel data and easy configuration by AT commands and configuration over Bluetooth technology.

The embedded Bluetooth stack supports Generic Access Profile (GAP), Serial Port Profile (SPP), Dial-up networking Profile (DUN GW, DUN DT), and Personal Area Networking Profile (PAN) roles PANU & NAP. The Bluetooth Serial Port Adapter is ideal for use in applications where a smart phone or a laptop would wirelessly communicate with a device such as Session Border Controllers (SBC), Remote Terminal Units (RTU), sensors and robots. 


- Edited by Chris Vavra, Control Engineering, 

See the a collection of Control Engineering wireless articles.

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