Product Summary

The sim900b is a quad-band GSM / GPRS board-to-board mount module.

Parametrics

sim900b absolute maximum ratings: (1)Normal operation: -30 to 80℃; (2)Restricted operation: -40 to -30℃ and +80 to 85℃; (3)Storage temperature: -45 to 90℃; (4)GPRS data downlink transfer: 85.6kbps. Uplink transfer: 42.8kbps.

Features

sim900b features: (1)Quad Band 850 / 900 / 1800 / 1900MHz; (2)GPRS Multi-slot class 10 / 8; (3)GPRS Mobile Station class B; (4)Compliant to GSM phase 2 / 2+; (5)Dimensions: 40 x 33 x 3mm; (6)Weight: 7g; (7)Control via AT Commands (GSM 07.07, 07.05 and SIMCOM enhanced AT Commands); (8)SIM Application Toolkit; (9)Supply Voltage Range.

Diagrams

sim900b reference circuit