RS232 Wireless Master-Slave Universal Total Station Serial Bluetooth Adapter
 BT578 adapter can eliminate your conventional RS232 serial cables, providing an easy-to-use, invisible connection with superior freedom of movement. This tiny adaptor allows any device with a standard 9-pin serial port to communicate wirelessly. You can communicate with another Bluetooth serial adaptor or other Bluetooth-enabled devices such as a desktop or laptop computer, tablet, PDA or mobile phone.
 
Features
• The adapter can be directly connected to DB9 female device, you can also connect it to DB9 male device by using a DB9 converter in the package.
• The default Bluetooth role of BT578 adapter is slave, you can change it to master role by sending AT command.
• Supports Bluetooth Serial Port Profile and Generic Access Profile. No need of drivers.
• Multiple power supply, internal 450mA Lithium Battery, external 5V DC-IN.
• Supports AT command configuration in AT command mode.
 
Specification
• Standard: Bluetooth SIG v2.0
• BT Profile: Bluetooth serial port profile(SPP)
• Baud Rate: 4800,9600,19200,38400,57600,115200bps
• Hopping: 1,600/sec, 1MHz channel space
• Coverage: 10 meters (line of sight)
• TX Power: 3dBm
• RX Sensitivity: -80dBm
• Current(Normal/Pairing): 8/25 mA
• Dimension and weight: 78x34x16mm 35g
 
Package content
• BT578 RS232 Bluetooth adapter x1
• DB9 female to female converter x1
• 220V-USB power adapter x1
• USB cable for power supply x1
• User's manual x1

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1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.

2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer. 

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On 24-Jun-2023 at 06:06:13 BST, seller added the following information:

DataCaciques