《SIM300C EVB User Guide》.pdf

SIM300C EVB User Guide SIM300C EVB User Guide Document Name: SIM300C EVB User Guide Version: 1.00 Date: 2005-12-25 DocId: SIM300C-EVB_UGD_V1.00 Status: Release General Notes Simcom offers this information as a service to its customers, to support application and engineering efforts that use Simcom products. The information provided is based upon requirements specifically provided to Simcom by the customers. Simcom has not undertaken any independent search for additional relevant information, including any information that may be in the customer’s possession. Furthermore, system validation of this Simcom product within a larger electronic system remains the responsibility of the customer or the customer’s system integrator. All specifications supplied herein are subject to change. Copyright This document contains proprietary technical information which is the property of SIMCOM Limited., copying of this document and giving it to others and the using or communication of the contents thereof, are forbidden without express authority. Offenders are liable to the payment of damages. All rights reserved in the event of grant of a patent or the registration of a utility model or design. All specification supplied herein are subject to change without notice at any time. Copyright © SIMCOM Limited. 2005 SIM300C-EVB_UGD_V1.00 Page 2 of 18 SIM300C EVB User Guide Contents Contents 3 Version History 4 1. SIM300C EVB5 2. EVB accessory 7 3. Accessory Interface 8 3.1 Power Interface 8 3.2 Audio Interface9 3.3 SIM card interface 10 3.4 Antenna Interface 11 3.5 RS232 Interface12