Compare Simcom Wireless SIM900B Vs Quectel Wireless M20


Image
Model SIM900B M20
Price $15.75 $
Buy
Manufacturer Simcom Wireless Quectel Wireless
Form Factor Board-to-Board Connector Board-to-Board Connector
Dimensions 45 x 34 x 3 mm 29 x 29 x 3.6 mm
Surface Area 1530 sq. mm 841 sq. mm
Volume 4590 cubic mm 3027.6 cubic mm
Technologies GSM, GPRS GSM
Max. Upload Speed 85.6 Kbps 85.6 Kbps
Max. Download Speed 85.6 Kbps 85.6 Kbps
GSM Bands 850, 900, 1800, 1900 MHz 850, 900, 1800, 1900 MHz
WCDMA Bands N/A N/A
LTE Bands N/A N/A
EVDO Bands N/A N/A
1xRTT Bands N/A N/A
Interfaces ADC, GPIO, I2C, SDIO, SIM, SPI, UART, USB GPIO, I2C, SIM, UART, USB
GPS Support No No
GNSS Support No No
Voice Support PCM, Analog PCM
Automotive Support No No
Temperature -30 C to 80 C -40 C to 85 C
Carrier Approvals Not Available Not Available
Certifications CE, FCC, IC, ICASA, PTCRB, ROHS CE