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Quectel BG77 Cat M1/NB2 module

Quectel BG770


The BG77 is an ultra-compact LPWA module supporting LTE Cat M1, LTE Cat NB2 and integrated GNSS. It is fully compliant with 3GPP Rel-14 specification and provides maximum data rates of 588 kbps downlink and 1119 kbps uplink. It features ultra-low power consumption by leveraging the integrated RAM/flash as well as the ARM Cortex A7 processor supporting ThreadX, achieving up to 70% reduction in PSM leakage and 85% reduction in eDRX current consumption compared to its predecessor.

Product Specifications  Quectel BG77


Part Number BG77
Manufacturer Quectel
Description NB-IoT / LTE-M Module with integrated GNSS functionality


3GPP Release Release 14
Cellular Standards LTE-M (Cat M1), NB-IoT (Cat NB2)
Dimensions 14.9 × 12.9 × 1.7 mm
GNSS Band GPS, GLONASS, BeiDou/Galileo, QZSS
Interface USB 2.0, UART, PCM, I2C, ADC, GPIO
LTE Bands

NB-IoT (Cat NB2):  B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B28/B66/B71/B85

LTE-M (Cat M2) : B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B27/B28/B66/B85

Package LGA
Package Type Surface Mount
Region Global
Currents NB-IoT & LTE-M PSM Current Avg. 3.44 µA / 0.67 mA @ eDRX LTE-M = 81.92 s / 0.66 mA @ eDRX NB-IoT= 81.92 s
Technology LTE-M, NB-IoT
Voice Yes
Data Rate DL: 127 kbps NB-IoT (Cat NB2), 588 kbps LTE-M (Cat M1) UL: 158.5 kbps NB-IoT (Cat NB2), 1119 kbps NB-IoT (Cat M1)
Operating Temperature -35 to 75 °C
Storage Temperature -40 to 85 °C
Supply Voltage 2.5V – 4.8V
Transmitted Power 21 dBm

Vodafone*/Deutsche Telekom* (Europe), Verizon/ AT&T/ Sprint/T-Mobile* (America), China Telecom*/China Mobile*/China Unicom* (China)


GCF (Global), CE (Europe), PTCRB (North America), FCC (America), IC (Canada), SRRC*/NAL*/CCC* (China), KC* (South Korea). NCC* (Taiwan, China), JATE/TELEC (Japan), RCM (Australia/New Zealand), NBTC* (Thailand)



* Pending