Compare Simcom Wireless SIM900B Vs Simcom Wireless SIM300W


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Model SIM900B SIM300W
Price $15.75 $20
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Manufacturer Simcom Wireless Simcom Wireless
Form Factor Board-to-Board Connector LCC Castellation
Dimensions 45 x 34 x 3 mm 33 x 33 x 3 mm
Surface Area 1530 sq. mm 1089 sq. mm
Volume 4590 cubic mm 3267 cubic mm
Technologies GSM, GPRS GSM, GPRS
Max. Upload Speed 85.6 Kbps 42.8 Kbps
Max. Download Speed 85.6 Kbps 85.6 Kbps
GSM Bands 850, 900, 1800, 1900 MHz 900, 1800 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 ADC, GPIO, I2C, SDIO, SIM, SPI, UART, USB
GPS Support No No
GNSS Support No No
Voice Support PCM, Analog
Automotive Support No No
Temperature -30 C to 80 C -20 C to 60 C
Carrier Approvals Not Available Not Available
Certifications CE, FCC, IC, ICASA, PTCRB, ROHS CE, FCC