Product Parani-SD100 Parani-SD200 Parani-SD200L Description Bluetooth-Serial Adapter-Class1-DIP Bluetooth-Serial Adapter-Class2-DIP *Optinal battery pack is not included by default Bluetooth-Serial Adapter-Class2-DIP-with Internal Battery * Parani-SD200L is sold only in the USA. Bluetooth Interface Bluetooth v1.2 Class 1 Level - 18 dBm Protocols - RFCOMM, L2CAP, SDP Profiles - General Access Profile, Serial Port Profile Bluetooth v1.2 Class 2 Level - Max. 4 dBm Protocols - RFCOMM, L2CAP, SDP Profiles - General Access Profile, Serial Port Profile RF Range Nominal 100m, up to 1000m using patch antenna Nominal 30m, up to 300m using patch antenna