XG3741 - Light

Cellular

Modem

Quectel EC21-E

RF function

CAT-1 / 3G / 2G

Bands / Frequency

GSM/EDGE Bands 3: 1710 – 1785 MHz (TX), 1805 – 1880 MHz (RX)
GSM/EDGE Bands 8: 880 – 915 MHz (TX), 925 – 960 MHz (RX)

WCDMA BANDS 1: 1920 – 1980 MHz (TX), 2110 – 2170 MHz (RX)
WCDMA BANDS 8 880–915 MHz (TX), 925–960 MHz (RX)

LTE BANDS 1: 1920 – 1980 MHz (TX), 2110 – 2170 MHz (RX)
LTE BANDS 3 1710–1785 MHz (TX), 1805–1880 MHz (RX)
LTE BANDS 7 2500–2570 MHz (TX), 2620–2690 MHz (RX)
LTE BANDS 8 880–915 MHz (TX), 925–960 MHz (RX)
LTE BANDS 20: 832 – 862 MHz (TX), 791 – 821 MHz (RX)

Transmitting power

Class 5(21dBm+1.7/-3dB) for LTE-FDD Bands
Class 1(33dBm±2dB) for GSM850/EGSM900
Class 1(30dBm±2dB) for DCS1800/PCS1900

Antenna type

Internal PCB antenna

GNSS

Constellations

GPS
GLONASS
BeiDou (optional)
Galileo (optional)
QZSS (optional)

GNSS antenna gain

GPS：-0.14 dBi typ.
GLONASS：1.75 dBi typ.

GNSS sensitivity

Cold start: -146dBm
Reacquisition: -157dBm
Tracking: -157dBm

GNSS antenna

SMD patch antenna