GSM/GPRS Module Series
M85 Hardware Design
M85_Hardware_Design Confidential / Released 11 / 88
2
Product Concept
2.1. General Description
M85 is a Quad-band GSM/GPRS engine that works at frequencies of GSM850MHz, EGSM900MHz,
DCS1800MHz and PCS1900MHz. The M85 features GPRS multi-slot class 12 and supports the GPRS
coding schemes CS-1, CS-2, CS-3 and CS-4. For more details about GPRS multi-slot classes and coding
schemes, please refer to the
Appendix B & C
.
With a tiny profile of 24.5mm × 25.3mm × 2.6mm, the module can meet almost all the requirements for
M2M applications, including Vehicles and Personal Tracking, Security System, Wireless POS, Industrial
PDA, Smart Metering, and Remote Maintenance & Control, etc.
M85 is an SMD type module with LCC package, which can be easily embedded into applications. It
provides abundant hardware interfaces like PCM and SD Card Interface.
Designed with power saving technique, the current consumption of M85 is as low as 1.3 mA in SLEEP
mode when DRX is 5.
M85 is integrated with Internet service protocols, such as TCP/UDP, FTP and PPP. Extended AT
commands have been developed for you to use these Internet service protocols easily.
The module fully complies with the RoHS directive of the European Union.
2.2. Directives and Standards
The M85 module is designed to comply with the FCC statements.
FCC ID: XMR201511M85
The Host system using M85
should have label ―contains FCC ID: XMR201511M85‖.
2.2.1. FCC Statement
Changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.