User's Manual

FCC Documentation- MM-5500U CDMA 1x/EVDO Modem
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Table of contents
1. Contact Information·······························································································4
2. Product Overview ··································································································5
2.1 Overview........................................................................................................5
2.2 What is the MM-5500U CDMA 1x/EVDO Modem........................................5
2.3 Supplied accessories...................................................................................5
3. Specifications ········································································································6
3.1 Mechanical Specifications...........................................................................6
3.2 Environment Specifications........................................................................6
3.3 Electrical Specifications..............................................................................6
3.4 CDMA RF Specifications..............................................................................7
4. Instruction ··············································································································9
4.1 Supplied accessories...................................................................................9
4.2 Getting start ..................................................................................................9
5. Circuit description·······························································································14
5.1 MM-5500U CMDA 1x/EVDO Modem circuit description ..........................14
5.2 Power interface part...................................................................................15
5.3 Digital part...................................................................................................15
5.4 RF part.........................................................................................................16
6. Range of operating power levels and description of means for variation of
operating power···································································································18
7. Description of frequency determining and stabilizing circuitry······················19
8. Description of circuit employed for suppression of spurious radiation········20
9. Description of modulation system used ···························································21