HOLD2712.4GHZ Spread Spectrum Cordless Telephone

9!& V†r… Hhˆhy 2. 4 G Hz D271.book Page 1 Tuesday, July 24, 2001 11:05 AM Copyright © 2001 CIDCO Communications, LLC. All Rights Reserved. Part No. 105510-01 Rev. ANo part of this publication may be reproduced, copied, transcribed, stored in a retrieval system, or translated into any language in any form, by any means without the prior written permission of CIDCO Communications, LLC. D271.book Page 2 Tuesday, July 24, 2001 11:05 AM TABLE OF CONTENTS i TABLE OF CONTENTS
WARRANTY & SAFETY INSTRUCTIONS 1
INTRODUCTION 8
INSTALLING THE D271 9
FEATURES AND CONTROLS 13
USING THE D271 21
USING THE DIRECTORY 27
REVIEWING AND DELETING CALL RECORDS 30
READING DISPLAY MESSAGES 31
TROUBLESHOOTING 33 D271.book Page i Tuesday, July 24, 2001 11:05 AM D271 - 2.4GHz Cordless WARRANTY & SAFETY INSTRUCTIONS 1 WARRANTY & SAFETY INSTRUCTION S CAUTION CAUTION: To reduce the risk of fire or injury to persons, read and follow these instructions:
Read and understand all instructions.
Follow all warnings and instructions marked on the unit and in the User Manual(s).
Use only the battery type recommended in this manual.
Unplug this telephone from the wall outlet before cleaning. Do not use liquid or aerosol cleaners, just use a damp cloth for cleaning.
Do not place this telephone on an unstable cart, stand, or table. It could fall, causing serious damage or impeding operation.
Never place this telephone near or over a radiator or heat register.
Only operate this telephone using the type of power source listed on the marking label. If you are not sure of the power supply of your home, consult your dealer or local power company.
Do not overload wall outlets and extension cords as this can result in the risk of fire or electrical shock.
Never push objects of any kind into this telephone as they can touch dangerous voltage points or short out parts that could result in a risk of fire or electrical shock.
Take the phone to a qualified technician when it requires repair work or service. To reduce the risk of electrical shock, do not disassemble the telephone. Opening or removing covers can expose you to dangerous voltages or other risks. Incorrect re-assembly can cause electrical shock during subsequent use.
Unplug this telephone from the wall outlet and refer servicing to qualified service personnel under the following conditions: - If the power supply cord or plug is damaged or frayed. - If liquid is spilled into the unit.- If the unit is exposed to water.- If the unit does not operate normally by following the operating instructions. - If the unit is dropped or the casing is damaged. - If the unit exhibits a distinct change in performance. SAVE THESE INSTRUCTIONS D271.book Page 1 Tuesday, July 24, 2001 11:05 AM D271 - 2.4GHz Cordless WARRANTY & SAFETY INSTRUCTIONS 2
Avoid using the telephone during an electrical storm. There can be a slight risk of electrical shock from lightning.
Do not use the telephone to report a gas leak if the leak is in the vicinity of the phone
Do not disassemble the unit. Opening or removing covers can expose you to dangerous voltages or other risks. Incorrect re-assembly can cause electrical shock during subsequent use.
Unplug this unit from all connections and refer servicing to qualified personnel when it requires repair work, service, or under the following conditions: - If the power supply cord or plug is damaged or frayed. - If liquid is spilled into the unit.- If the unit is exposed to water or rain.- If the unit does not operate normally by following the operating instructions. - If the unit is dropped or the casing is damaged. - If the unit exhibits a distinct change in performance.
Ultimate disposal of this product should be handled according to all national laws and regulations. WARNINGS WARNING: To prevent fire or shock hazard,do not expose this product to rain or mois-ture. CAUTION CAUTION: To reduce the risk of electric shock, DO NOT remove cover or back. Nouser serviceable parts inside. Refer servicingto qualified personnel. This symbol is intended to alert you to the presence of uninsulated dangerous voltage within the product’s enclosure that might be of sufficient magnitude to constitute a risk of electric shock. Do not open the product’s case. This symbol is intended to inform you that important operating and maintenance instructions are included in the literature accompanying this product. ! D271.book Page 2 Tuesday, July 24, 2001 11:05 AM D271 - 2.4GHz Cordless3 WARRANTY & SAFETY INSTRUCTIONS NEED TO KNOW Important: Although cordless phones generally require AC power to operate,your D271 phone can provide operational backup in the case of the power failure IF the spare battery is charged in the base. CAUTION CAUTION: Changes or modification to this device not expressly approved by CIDCO Communications could void the user’s authority to operate this equipment. T ELEPHONE W IRING AND J ACK I NSTALLA - TION
Use caution when installing or modifying telephone lines.
Never install telephone wiring during an electrical storm.
Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. B ATTERIES
Disconnect the telephone when replacing the battery pack.
Use only 3.6V 800mAh Nickel Cadmium (Ni-Cad) cordless telephone replacement battery pack (one included with phone).
Do not dispose of the battery pack in a fire as it will explode. Check with local codes for proper battery disposal regulations.
Do not open or mutilate the battery pack. Released electrolyte is corrosive and can cause damage to the eyes or skin. It can be toxic, if swallowed.
Avoid contact with rings, bracelets, keys or other metal objects, when handling batteries. These objects could short out the battery or cause the conductor to overheat resulting in burns.
Do not attempt to recharge the battery pack by heating it. Sudden release of battery electrolyte can cause burns or irritation to the eyes or ski…

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A A B B C C D D E E 44 33 22 11 D271 BLOCK DIAGRAM HANDSET BLOCK DIAGRAMBASE BLOCK DIAGRAM POWER AMPLIFIER +ANTENNA SWITCH FOCUS 1035 HUMMINGBIRDBaseband +CODEC POWER SUPPLY SMOS6007 LCD DRIVER LCD QUICK CHARGER TELEPHONE INTERFACE SIPEX Type2 CALLER ID CALL SCREEN MC34118SPEAKERPHONE 128Kx8 FLASH KEYPAD 2.4 GHZRADIOTranceiver BATTERYCIRCUITS KEYPAD SMOS6007 LCD DRIVER LCD 2.4 GHZRADIOTranceiver POWER AMPLIFIER +ANTENNA SWITCH CODEC HUMMINGBIRDBaseband {Doc}{RevCode} {Title} B 11Wednesday, August 29, 2001 Title SizeDocument NumberRev Date:Sheetof MICROPHONESPEKAER EAR PIECEMICROPHONE

REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 58 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. EUT PHOTOGRAPHS REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 59 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 60 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 61 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 62 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 63 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 64 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 65 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document.

PROPOSED FCC ID LABEL AND LOCATION CIDCO COMMUNICATIONS INC. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Privacy of communications may not be ensured when using this phone FCC ID: HOLD271 FCC ID LABEL

REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 66 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 67 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 68 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 69 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 70 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 71 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 72 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 73 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 74 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 75 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document.

MPE CALCULATION for CIDICO D271 BASE Formula used in the MPE Calculations: E^2/3770 = S, mW/cm2 Pwatts*Ggain = 10^(PdBm-30+GdBi)/10) E, V/m = (Pwatts*Ggain*30)^.5/d, meters d = ((Pwatts*G*30)/3770*S))^0.5 --------- (A) Since S (mW/cm2) =1.00from 1.1310 Table 1 P (dBm) =17.0EUT output power G (dBi) =2.0EUT antenna gain Substitute these parameters into the A above, we have MPE safe distance d (cm) = 2.5 NOTE: For mobile or fixed location transmitters, minimum separation distance is 20 cm, even if calculations indicate MPE distance is less MPE CALCULATION for CIDICO D271 HANDSET Formula used in the MPE Calculations: E^2/3770 = S, mW/cm2 Pwatts*Ggain = 10^(PdBm-30+GdBi)/10) E, V/m = (Pwatts*Ggain*30)^.5/d, meters d = ((Pwatts*G*30)/3770*S))^0.5 --------- (A) Since S (mW/cm2) =1.00from 1.1310 Table 1 P (dBm) =15.1EUT output power G (dBi) =2.0EUT antenna gain Substitute these parameters into the A above, we have MPE safe distance d (cm) = 2.0 NOTE: For mobile or fixed location transmitters, minimum separation distance is 20 cm, even if calculations indicate MPE distance is less

AA BB CC DD EE 4 4 3 3 2 2 1 1 PRODUCTION REL EASE ECO Initials Remarks Date Rev M. V CONFIDENTIAL Unauthorized distribution is prohibited. and Proprietary Information of CIDCO Communications, LLC Drawn by: Michael VuProject: D271Description: 2.4Ghz CORDL ESS, BASE KEYBOARD Document Number: 105069-01Last Update: July/19/ 2001 Approvals Analog circuitsDigital circuits Final Release A p p r o v e d b y Date Michael VuMichael Vu SA Foo Fab PCB: 10 5067-01, REV A2 Bom: 105052-01, REV A 105069-01 A D271 BASE KEYPAD Custom 13 Friday, July 20, 2001 TitleSize Document Number Rev Date: Sheet of AA BB CC DD EE 4 4 3 3 2 2 1 1 KEYBOARD Notes: SPKR1_LEDMUTE_LED CONF_LED LIU_LED VOICE_M_LED SPKR2_LED DRAWN BY: MICHAEL VU CONFIDENTIAL Unauthorized distribution is prohibited. and Proprietary Information of CIDCO Communications, LLC NOTE: FOR D271, R43,R44,R46,R47 SHOULD BE 0OHM D3 AND D20 , R50, R45 ARE NOT U SED. 105069-01 A C 23 Friday, July 20, 2001 C2441 Base Keypad TitleSize Document Number Rev Date: Sheet of SPKR1_LED MUTE_LED CONF_LED VOICE_M__LED LIU_LED C3 C4 R1 R2 C1 C0 C5 C6 COL6 COL5COL4 COL3 COL2 COL0 COL0 COL1 COL2 COL3 COL4 COL5 COL6 SPKR2_LED VLED C0C1C2C3C4C5 DSP_RESET COL1 C2R0 R4R3 VLED VLED VLED S19 REVIEW_LEFT 1 2 S238 1 2 R1247K 12 S1 PAGE/FIND 1 2 S13 REVIEW_RIGHT 1 2 R1347K 12 S32FLASH 1 2 D131N914 2 1 S2 ERASE MESSAGE 1 2 D151N914 2 1 S367 1 2 S61 1 2 S12 VOLUME_DOWN 1 2 D2 1 2 D1 1 2 D3 1 2 S33 * 1 2 D20 1 2 J1 SPKR 12 TP4 ESD_PAD 1 R50 240 1 2 D141N914 2 1 R43 240 1 2 D4 1 2 R44 240 1 2 R45 240 1 2 R4247K 12 R46 240 1 2 D161N914 2 1 D121N914 2 1 R47 240 1 2 JP1 123456789101112131516141718192021222324 123456789 101112131516141718192021222324 S52 1 2 S20 DIRECTORY 1 2 D171N914 2 1 S106 1 2 S24 SPEAKER_2 1 2 S22# 1 2 S7 VOL_UP 1 2 S147-10-11 1 2 S35 NETWORK SERVICE 1 2 S28 SPEAKER_1 1 2 S25DELETE 1 2 D11 1N914 2 1 S115 1 2 S26 VOICE MAIL 1 2 D5 1 2 S29MUTE 1 2 S30 CONFERENCE 1 2 S31REDIAL 1 2 S34HOLD 1 2 S37PLAY 1 2 S184 1 2 S169 1 2 S43 1 2 R1047K 12 S170 1 2 S8 SAVE_MSG 1 2 R1147K 12 C3C2C1C0C5 RESET SMOS_RDY C4 AA BB CC DD EE 4 4 3 3 2 2 1 1 LCD INTERFACE DNA E1 & E2; BACKLIGHTCONNECTIONS LED BACKLIGHT OPTION DRAWN BY: MICHAEL VU CONFIDENTIAL Unauthorized distribution is prohibited. and Proprietary Information of CIDCO Communications, LLC 105069-01 A C2441 Base Keypad Custom 33 Friday, July 20, 2001 TitleSize Document Number Rev Date: Sheet of SEG0COM0COM1COM2COM3COM4SEG6SEG5SEG4SEG3SEG2SEG1SEG12SEG11SEG10SEG9SEG8SEG7SEG18SEG17SEG16SEG15SEG14SEG13SEG24SEG23SEG22SEG21SEG20SEG19SEG30SEG29SEG28SEG27SEG26SEG25SEG36SEG35SEG34SEG33SEG32SEG31SEG37SEG38SEG39COM12COM10COM9COM11COM8COM15COM14COM13COM7COM6COM5 VLED VLED VLED VLED R2R 12 R192K 1 2 Y132.768kHz 12 R1 10M 12 C110pF 1 2 + C2 10uF C3 100nF 12 R3 36K 1 2 C13100nF 12 Q1 MMBT3904 1 23 C11 100nF 1 2 C10 100nF 1 2 C15100nF 12 C12 100nF 1 2 C14100nF 12 C16100nF 12 TP5TEST 1 E1 THPAD (+) 1 E2 THPAD (-) 1 C5100nF 12 C4100nF 12 R4110 12 LCD1 LCDPAD 123456789 1011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859 U7SMC6007C 414243446463566062615958555749505152535448474645 828180797877764039383736353433323130292827262524232221201918171615141312111098765432184858687886566676869 757473727170 9190898392 K03K02K01K00VREFVDDTESTVS1OSC1OSC2OSC3OSC4RESETVSSR43R42R41R40R33R32PO0PO1PO2PO3 COM6COM5COM4COM3COM2COM1COM0 SEG0SEG1SEG2SEG3SEG4SEG5SEG6SEG7SEG8SEG9 SEG10SEG11SEG12SEG13SEG14SEG15SEG16SEG17SEG18SEG19SEG20SEG21SEG22SEG23SEG24SEG25SEG26SEG27SEG28SEG29SEG30SEG31SEG32SEG33SEG34SEG35SEG36SEG37SEG38SEG39 COM8COM9 COM10COM11COM12 VL1VL2VL3VL4VL5 CACBCCCDCECF COM15COM14COM13 COM7 PAD TP2LCD_LIGHT 1 C5 SMOS_RDY RESET C4 C0C1C2C3 Power Amplifier Each Schematically Drawn Ground should be a via to ground! RF110 SHIELD ENCLOSED CIRCUITRY DNI 50 R/ W=7350 R/ W=73 50 R/ W=73 50 R/ W=7350 R/ W=73 BOM: 105395-01, REV A PCB: 105396-01, REV A AC 111Monday, July 23, 2001 CIDCO, INC. D271 BASE MAIN; RF PA 105397-01 Title SizeDocument NumberRev Date:Sheet of FILTER_OUT RF_OUT_PRF_OUT_N RFRFRFRF RFRFRFRF RF RF RF RFRF RF RF RFRFRFRFRFRF RF RF RF RF RF RF RF RFRF RF RF RF RFRFRF RF VRF RF RF R2 1k 12 L3 3.3nH 5% 200mA 1 2 C14 8.2pf C6 1000pf C20 1pf .25pf 50V 1 2 C2 1000pf MS1 MICRO-STRIP 1 2 1 2 C65 1000pF .5pf 50V 1 2 C22 12pF C66 1000pF .5pf 50V 1 2 MS2 MICRO-STRIP 12 12 C18 1.0pf .25pf 50V 1 2 MS5 MICRO-STRIP 12 12 C19 1.8pf .25pf 50V 1 2 MS4 MICRO-STRIP 12 12 C13 8.2pf .5pf 1 2 MS6 MICRO-STRIP 1 2 1 2 C10 8.2pf MS3 MICRO-STRIP 12 12 C4 DNI 12 MS7 MICRO-STRIP 12 12 R3 1k 12 MS8 MICRO-STRIP 12 12 C15 12pf 5% 50V 12 C1 8.2pf MS9 MICRO-STRIP 12 12 L5 10nH C17 12pf 5% 50V 12 C12 8.2pf .5pf 1 2 L2 10nH C62 12pF 5% 50V 12 L1 10nH 2450 MHz BPF FL1 MDR641C 12 34 TP1 PAD_PLUNGER U3 UPG152TA 321 654 OUT2GNDOUT1 Vct1 IN Vct2 C9 1000pf R1 10 C5 8.2pf C21 12pF C3 1.2pf J9 ANTENNA 1 R4 10 C11 8.2pf C16 12pf 5% 50V 12 L4 10nH C8 12pF 5% 50V 1 2 U1 RF110 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 11 RFOUT1 GND1 VCC1 NC1 NC2 VCC2 ENABLE VCC3 GND2 RFIN1 GND3 GND4 GND5 GND6 GND7 GND8 GND9 GND10 RFOUT2 RFIN2 C7 1.2pf .25pf 50V 12 RXEN TXEN BASE SELECTION For VBAT=3.0V, input voltage to BATTERY pin = 1.39V (assumes 1M ohm input resistance) INTERFACE RF **Tie ASIC analog VSS to DGND only near pin 74 & 76 on same layer as ASIC **Run all microphone traces opposite side of where antenna is mounted and shield the traces with ground plane & away from digital signal **Tie CODEC analog VSS to DGND only near pin45 & same layer as ASIC **PCB trace resistance between AGND & DGND < 50milliohms **Place decoupling capacitors near VREF & AGND pins & directly on analog ground plane **Place decoupling capacitors near VRP & AGND pins & directly on analog ground plane **Minimize the trace length of CCLK & MCLK to ASIC **Place decoupling capacitors close to supply pins **Filter traces in/out of shield with ground plane **Route SPKRO+ & SPKRO- away from digital signals NOTES: 1. UNLESS OTHERWISE SPECIFIED: CAPACITORS ARE uF +/-20% RESISTORS ARE +/-5…

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FCC CFR47 PART 15 CERTIFICATION TEST REPORT FOR 2.4GHz SPREAD SPECTRUM CORDLESS TELEPHONE MODEL: D271 FCC ID: HOLD271 REPORT NUMBER: 01U0950-1 ISSUE DATE: OCTOBER 15, 2001 Prepared for CIDCO COMMUNICATIONS, LLC. 105 COCHRANE CIRCLE MORGAN HILL, CA 95035 USA Prepared by COMPLIANCE CERTIFICATION SERVICES 561F MONTEREY ROAD MORGAN HILL, CA 95037, USA TEL: (408) 463-0885 FAX: (408) 463-0888 REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 2 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. TABLE OF CONTENT 1. TEST RESULT CERTIFICATION------------------------------------------------------------------------3 2. EUT DESCRIPTION------------------------------------------------------------------------------------------4 3. TEST METHODOLOGY------------------------------------------------------------------------------------4 4. TEST FACILITY----------------------------------------------------------------------------------------------4 5. ACCREDITATION AND LISTING-----------------------------------------------------------------------4 5.1. Laboratory Accreditations and Listings----------------------------------------------------------------5 6. MEASURING INSTRUMENT CALIBRATION--------------------------------------------------------6 6.1. Measurement Uncertainty--------------------------------------------------------------------------------6 7. SUPPORT EQUIPMENT / TEST DIAGRAM-----------------------------------------------------------7 8. APPLICABLE RULES AND BRIEF TEST RESULT--------------------------------------------------8 9. TEST SETUP, PROCEDURE AND RESULT----------------------------------------------------------13 9.1. CONDUCTED POWER---------------------------------------------------------------------------------13 9.2. 6 dB BANDWIDTH MEASUREMENT-----------------------------------------------------------------17 9.3. CONDUCTED SPURIOUS EMISSION----------------------------------------------------------------20 9.4. PEAK POWER SPECTRAL DENSITY-----------------------------------------------------------------27 9.5. PROCESSING GAIN-------------------------------------------------------------------------------------30 9.6. RESTRICTED BAND EDGE MEASUREMENT------------------------------------------------------35 9.7. RADIATED EMISSION----------------------------------------------------------------------------------40 9.8. POWER LINE CONDUCTED EMISSION------------------------------------------------------------50 9.9. SETUP PHOTOS-----------------------------------------------------------------------------------------53 ATTACHMENTS • EUT PHOTOGRAPHS • PROPOSED FCC ID LABEL • THEORY OF OPERATION • BLOCK DIAGRAM & SCHEMATIC DIAGRAM • USER’S MANUAL • PROCESSING GAIN • CODE LETTER REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 3 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. 1. TEST RESULT CERTIFICATION COMPANY NAME: CIDCO COMMUNICATIONS, LLC. 105 COCHRANE CIRCLE MORGAN HILL, CA 95035 USA CONTACT PERSON: SA FOO / ENGINEER TELPHONE NO: 408-782-8200 EUT DESCRIPTION: 2.4GHZ SPREAD SPECTRUM CORDLESS TELEPHONE MODEM NAME: D271 DATE TESTED: OCTOBER 02, 2001 TYPE OF EQUIPMENT INTENTIONAL RADIATOR EQUIPMENT TYPE 2.4GHz TRANSCEIVER MEASUREMENT PROCEDURE ANSI 63.4 / 1992, TIA/EIA 603 PROCEDURE CERTIFICATION FCC RULE CFR 47 PART 15.247 Compliance Certification Services, Inc. tested the above equipment for compliance with the requirement set forth in CFR 47, PART 15.247. The equipment in the configuration described in this report, shows the measured emission levels emanating from the equipment do not exceed the specified limit. Note: This document reports conditions under which testing was conducted and results of tests performed. This document may not be altered or revised in any way unless done so by Compliance Certification Services and all revisions are duly noted in the revisions section. Any alteration of this document not carried out by Compliance Certification Services will constitute fraud and shall nullify the document. Approved & Released For CCS By: Tested By: STEVE CHENG HUE LY VANG EMC ENGINEERING MANAGER ASSOCIATE EMC ENGINEER COMPLIANCE CERTIFICATION SERVICES COMPLIANCE CERTIFICATION SERVICES REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 4 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. 2. EUT DESCRIPTION The D271 is a 2.4GHz cordless phone that incorporates your telephone company’s calling features, such as calling ID. Voice Mail, and call Waiting ID, to provide a powerful full function caller ID cordless telephone. Listed below are some key features; • Handset Jack • Speakerphone • Call timer • New message Indicator • Single key redialing • Stores up to 50 caller ID recordings • English and Spanish • 50 directory records Crystal Broad Name Crystal (MHz) Main Unit 9.6MHz , 32.768MHz Handset Unit …

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REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 57 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL, CA 95037 USA TEL: (408) 463-0885 FAX: (408) 463-0888 This report shall not be reproduced except in full, without the written approval of CCS. This document may be altered or revised by Compliance Certification Services personnel only, and shall be noted in the revision section of the document. ATTACHMENTS REPORT NO: 01U0950-1 FCC ID: HOLD271 DATE: OCTOBER 15, 2001 EUT: 2.4 GHz SPREAD SPECTRUM CORDLESS TELEPHONE Page 58 of 81 COMPLIANCE CERTIFICATION SERVICES DOCUMENT NO: CCSUP4031A 561F MONTEREY ROAD, MORGAN HILL,…

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