User's Manual

DFBM-NQ62X-DT0R
Preliminary Data Sheet Sheet 9 of 18 Aug. 16, 2016
Proprietary Information and Specifications are Subject to Change
6. RF Characteristics
6-1. Bluetooth RF characteristics
Condition: VDD_3V3=VIO=3.3V, T=25℃
Item Condition Min. Typ. Max. Unit
RF Characteristics
Output Power -20 0 4 dBm
Initial Frequency Offset -75 75 KHz
Carrier Frequency Offset and Drift CFOD -150 150 KHz
Modulation Characteristics
Modulation Index (F1 / F2) 0.8 N/A
F1 Average 225 275 KHz
F2 Maximum 185 KHz
Sensitivity PER < 30.8% -96 -70 dBm
Maximum Input Level PER < 30.8% -10 dBm
Table 6-4. Bluetooth RF Characteristics
6-2. Antenna Performance
Item Specification
Working Frequency Range
2450 ± 50 MHz
Peak Gain (dBi) Chip Antenna: +2dBi
External Antenna: +2dBi
Antenna Type Chip Antenna / External Antenna (Dipole)
VSWR Less than 2.8
Table 6-5. Antenna Characteristics