•Chipset: BlueCore4-Ext

•Transmission Distance: 1800M

•Frequency Range :2.40 GHz～2.48GHz 

•Power Supply: 3.3±0.1V

•Interface:USB 2.0 and UART

•Maximum data rate:3M

•Bluetooth Specification: v2.0 Compliant + EDR, Support 3M modulation

•Operation temperature:(-20ºC to + 70 ºC)

•Storage temperature:(-40ºC to +85ºC)