AAO2101803Single Channel Transmitter

• The test results rep orted in this rep ort shall refer only to the samp el actually tested and shall not refer or be deemed a refer to bulk from which such a samp le may be said to have been obtained . • This rep ort shall not be rep roduced excep t in full without p rior authorization from Intertek Testing Services Hong Kong Limit ed. FCC ID: AAO2101803 RadioShack, A Division of Tandy Corporation Application For Certification (FCC ID: AAO2101803) September 18, 1998 WO# 9807539 CKL/at September 18, 1998 INTERTEK TESTING SERVICES FCC ID: AAO2101803 i SUMMARY OF CONTENTS LIST OF EXHIBITS EXHIBIT 1 :General Description EXHIBIT 2 :System Test Configuration EXHIBIT 3 :RF Power Output EXHIBIT 4 :Modulation Characteristics EXHIBIT 5 :Occupied Bandwidth EXHIBIT 6 :Emission Spurious EXHIBIT 7 :Frequency Stability EXHIBIT 8 :Technical Specifications EXHIBIT 9 :Product Labelling EXHIBIT 10 :Photographs EXHIBIT 11: Instruction Manual INTERTEK TESTING SERVICES FCC ID: AAO2101803 ii MEASUREMENT/TECHNICAL REPORT Application:RadioShack, A Division of Tandy Corporation Trade Name:RadioShack Model No.:21-1803 Date:September 18, 1998 This report concerns (check one:)Original Grant X Class II Change Equipment Type: Family Radio Service, FRS Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Report prepared by:C. K. Lam Intertek Testing Services. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Phone: 852-2746-8211 Fax:852-2785-5487 INTERTEK TESTING SERVICES FCC ID: AAO2101803 iii Table of Contents 1.0 General Description ................................................................................................................ 6 1.1 Product Description ............................................................................................................2 1.2 Ralated Submittal(s) Grants ................................................................................................ 3 1.3 Test Methodology ...............................................................................................................3 1.4 Test Facility......................................................................................................................... 3 2.0 System Test Configuration ...................................................................................................... 5 2.1 Justification ......................................................................................................................... 9 2.2 EUT Exercising Software .................................................................................................. 10 2.3 Special Accessories ........................................................................................................... 10 2.4 Equipment Modification ................................................................................................... 10 3.0 RF Output Power (Section 95.639(d) ..................................................................................... 8 4.0 Modulation Characteristics (Section 95.637(a)) ................................................................. 16 4.1 Modulation Frequiency Response ..................................................................................... 14 4.2 Modulation Limiting Characteristic................................................................................... 16 5.0 Occupied Bandwidth (Section 95.633(c) .............................................................................. 21 6.0 Spurious Emission (Section 95.635(b)) ................................................................................ 24 6.1 Field Strength of Spurious Radiation ................................................................................ 27 7.0 Frequency Stanility (Section 95.627) ................................................................................... 34 7.1 Frequency Tolerance ......................................................................................................... 35 7.2 Voltage Extreme Condition ............................................................................................... 38 7.3 Temperature Extreme Condition ....................................................................................... 42 8.0 Technical Specifications ........................................................................................................ 45 8.1 Block Diagram...................................................................................................................46 8.2 Schematic Diagram............................................................................................................ 47 INTERTEK TESTING SERVICES FCC ID: AAO2101803 iv List of attached file Exhibit typeFilename Test Reportreport.doc Test Setup Photoradiated.jpg External Photoophoto1.jpg & ophoto3.jpg Internal Photoiphoto1jpg & iphoto11.jpg Block Diagramblock.pdf Schematicscircuit.pdf ID Labellabel.pdf ID Locationlocation.pdf User Manualmanual.pdf Test Reportbw.pdf Cover Letterletter.pdf Circuit Descriptiondescri.pdf Test Reportspuriou.pdf Test Reportmodfr.pdf Test Reportmodlimit.pdf INTERTEK TESTING SERVICES FCC ID: AAO2101803 5 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TESTING SERVICES FCC ID: AAO2101803 6 1.0 General Description 1.1 Product Description The 21-1803 is a Single Channel Family Radio Service (FRS) transceiver. The unit is powered from 6.0 Vdc, (4 x “AAA” batteries). Transmitter portion: i) Type of emission: F3E ii) Frequency Range: 462.5625 MHz iii) Maximum Power Rating: 0.06 Watt Receiver Portion: i) Type of Receiver: Superheterodyne receiver ii) Tuning Frequency: 462.5625 MHz iii) Local oscillator: 73.527 MHz to 20.945 MHz iv) IF: 0.455 MHz The device transmits CTCSS subaudible tone (50 Hz to 300 Hz) which is used to identify user grou…

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INTERTEK TESTING SERVICES FCC ID: AAO2101803 35 C.Test Result Table 6(a) RadioShack, A Division of Tandy Corporation RadioShack 21-1803 Frequency Deviation with Temperature Variation Channel : 1 Temperature (°C)Assigned Frequency (MHz) Measured Frequency (MHz) % Deviation -20462.5625No transmissionNo transmission -10462.5625No transmissionNo transmission 0462.5625462.5627010.000043 10462.5625462.5625220.000005 20462.5625462.562348-0.000033 30462.5625462.562160-0.000074 40462.5625462.561920-0.000125 50462.5625462.561750-0.000162 Test Engineer: Wilson S. K. LokeDate of Test: August 24, 1998