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Chapter 1: Knowing your USB Bluetooth adapter
USB-BT211 specications summary
Model USB-BT211
Standard Bluetooth v2.1 + EDR
Interface USB 2.0/1.1
Range Up to 100 meters
Bluetooth Prole
A2DP, AVRCP, BIP, DUNP, FAX, FTP, HCRP, HID,
GAP, OPP, PAN, SPP, SYNC, HSP, HFP, BPP,
SAP
Frequency Band 2.400 ~ 2.4835GHz unlicensed ISM band
Modulation Method
GFSK for 1Mbps, π/4-DQPSK for 2Mbps, 8-DPSK
for 3Mbps
Spread Spectrum FHSS (Frequency Hopping Spread Spectrum)
Transfer Rate (Maz) Max UARTbaud rates of 3Mbps
OS support Windows
®
XP / Vista
Power Consumption
Tx Typical: 51mA, Rx Typical: 43mA, Standby
Mode: 15mA
Input Power DC 5V via USB port
Receiving Sensitivity <-85dBm at <0.1% BER
Physical Dimensions 19.52 x 13.5 x 6.8 mm (L x W x H)
Weight 2.2g
Operating Temperature 0ºC ~ 60ºC (32ºF ~ 140ºF)
Storage Temperature -10ºC ~ 70ºC (14ºF ~ 158ºF)
Humidity 5% ~ 90%, non-condensing
*Specications are subject to change without notice.