Infinix X624B - Operating Frequency Bands and Modulation; Operating Frequency Bands; Modulation Modes Used

Operating Frequency Band (RF)：
E-GSM900: 880-915MHz (TX), 925-960MHz (RX)
DCS1800: 1710-1785 MHz (TX), 1805-1880 MHz (RX)
WCDMA BAND I:1920-1980 MHz (TX), 2110-2170 MHz (RX)
Bluetooth: 2400-2483.5 MHz (TX/RX)
WiFi: 2412-2472 MHz (TX/RX)
GPS:1.57542GHz
FM:87.5 MHz -108 MHz
Modulation mode：
GMSK, 8PSK (GSM)
GMSK,8PSK(GSM)
BPSK,QPSK,16QAM(WCDMA)
GFSK, π/4- DQPSK, 8DPSK (BT)
GFSK(BLE)
BPSK/QPSK/16QAM/64QAM/DSSS/OFDM/ CCK (WIFI b/g/n)
BPSK(GPS)