| RAYSON’s BTM-238 Bluetooth modules RAYSON, a company specializing in the production of Bluetooth modules, has introduced BTM-238 products to its offer. They are Pin-to-Pin equivalents of BTM-222 modules which were extremely popular in the past.     
    BTM-238 modules are produced in class 1 and in Bluetooth 2.0 + EDR standard. 
    The modules can operate in a range of energy-saving modes (Hold, Sniff, Park, Deep sleep).
 
        
            | Characteristics: |  |  
            | Operating voltage | from 3V DC to 3.3V DC |  
            | Transmitter output power | 18dBm |  
            | Receiver sensitivity | -88dBm |  
            | Profiles | HCI, HSS/HFP, SSP |  
            | Interfaces | PCM, UART, USB |  
            | Operating temperature | from -20°C to +75°C |  
            | Dimensions | 28.2x15x2.8mm |  
        
            | Symbol | Description |  
            | BTM-238 | Modules: Bluetooth; PCM, UART, USB; SMD; 28.2x15x2.8mm; 2.0 EDR |  |