Nokia 1800RM-653 / RM-669Service Manual Level 1&21 Confidential Copyright © 2010 Nokia All rights reserved Version 4.0 ISSUE 1SERVICE MANUALLevel 1&2RM-653 / RM-669Transceiver characteristicsBand:EGSM 900/1800 (RM-653)GSM 850/1900 (RM-669)Display:1.8” TFT display with 65,536 colours128 x 160 pixels resolutionOperating System:S30Connections: Cellular radio: GSM 2.0 mm DC charger connector 3.5 mm AV connectorTransceiver with BL-5CB battery packTalk time StandbyGSM:Up to 13 hoursGSM:Up to 837 hoursNote:Talk times are dependant on network parameters andphone settings