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The Telit Cinterion ALS3-US REL.4 is a surface-mount cellular RF transceiver module based on Qualcomm MDM9215 technology. It supports GSM, GPRS, EDGE, UMTS, HSDPA, and HSUPA protocols across 850MHz, 900MHz, 1.8GHz, and 1.9GHz bands. The module delivers up to 33dBm output power with -107dBm sensitivity. Data rates reach 85kbps for GPRS and support advanced modulation like 64-QAM. It operates on a 3.3V to 4.5V supply, draws 30mA to 330mA, and functions within a -40°C to 90°C temperature range.
Verify the specific revision level (REL.4) against current manufacturer documentation to ensure compatibility with existing designs. Confirm regional frequency band availability for North American operations. Check component lifecycle status as cellular modules frequently transition through obsolescence phases. Validate pinout and interface requirements against the official datasheet before procurement.
Select this module when multi-standard support from GSM to HSPA is required in a compact form factor. Consider the integrated nature of the transceiver versus discrete solutions for space-constrained PCB layouts. Evaluate power consumption profiles against battery-operated device requirements. Ensure the host system can support the necessary serial interfaces and voltage levels specified in the technical documentation.
This component belongs to the Cinterion ALS3 series, designed for global cellular communication needs. It represents a generation of modules focusing on backward compatibility with legacy networks while supporting higher-speed 3G data services. The US variant specifically targets frequency allocations common in North American markets.
Consult official Telit Cinterion substitution guides for direct replacements. Verify that alternative modules maintain identical pinouts and mechanical dimensions if board rework is not planned. Ensure new components support the same regulatory certifications for the target market.