Q7N-24027Wireless Ethernet Bridge

AR24027 Operator’s Manual Rev: A September, 2003 AFAR Communications Inc. 81 David Love Place Santa Barbara, CA 93117 Tel: (805) 681 1993 Fax: (805) 681 1994 FCC Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Changes or modifications not expressly approved in writing by AFAR Communications Inc. may void the user’s authority to operate this equipment. AFAR Communications Inc. can not accept any financial or other responsibilities that may be the result of your use of this information, including direct, indirect, special, or consequential damages. Refer to warranty documents for product warranty coverage and specifics. AR24027 Operator’s Manual (rev E) - iii - STATEMENT OF WARRANTY AFAR COMMUNICATIONS INC. products, except as otherwise stated in an applicable price list, are warranted against defects in workmanship and material for a period of one (1) year from date of delivery as evidenced by AFAR COMMUNICATIONS INC.’s packing slip or other transportation receipt. AFAR COMMUNICATIONS INC.’s sole responsibility under this warranty shall be to either repair or replace, at its option, any component which fails during the applicable warranty period because of a defect in workmanship and material, provided PURCHASER has promptly reported same to AFAR COMMUNICATIONS INC. in writing. All replaced Products or parts shall become AFAR COMMUNICATIONS INC.’s property. AFAR COMMUNICATIONS INC. shall honor the warranty at AFAR COMMUNICATIONS INC.’s facility in Goleta, California. It is PURCHASER’s responsibility to return, at its expense, the allegedly defective Product to AFAR COMMUNICATIONS INC. PURCHASER must notify AFAR COMMUNICATIONS INC. and obtain shipping instructions prior to returning any Product. Transportation charges for the return of the Product to PURCHASER shall be paid by AFAR COMMUNICATIONS INC. within the United States. For all other locations, the warranty excludes all costs of shipping, customs clearance and other related charges. If AFAR COMMUNICATIONS INC. determines that the Product is not defective within the terms of the warranty, PURCHASER shall pay AFAR COMMUNICATIONS INC. all costs of handling, transportation and repairs at the prevailing repair rates. All the above warranties are contingent upon proper use of the Product. These warranties will not apply (i) if adjustment, repair, or parts replacement is required because of accident, unusual physical, electrical or electromagnetic stress, negligence of PURCHASER, misuse, failure of electric power environmental controls, transportation, not maintained in accordance with AFAR COMMUNICATIONS INC. specifications, or abuses other than ordinary use (ii) if the Product has been modified by PURCHASER or has been repaired or altered outside AFAR COMMUNICATIONS INC.’s factory, unless AFAR COMMUNICATIONS INC. specifically authorizes such repairs or alterations; (iii) where AFAR COMMUNICATIONS INC. serial numbers, warranty date or quality assurance decals have been removed or altered. AFAR COMMUNICATIONS INC. also reserves the right to make product improvements without incurring any obligation or liability to make the same changes in Products previously manufactured or purchased. In no event shall AFAR COMMUNICATIONS INC. be liable for any breach of warranty in an amount exceeding the net selling price of any defective Product. No person, including any dealer, agent or representative of AFAR COMMUNICATIONS INC. is authorized to assume for AFAR COMMUNICATIONS INC. any other liability on its behalf except as set forth herein. Nonpayment of any invoice rendered within the stated payment terms automatically cancels any warranty or guarantee stated or implied. If any payment is due AFAR COMMUNICATIONS INC. for services performed hereunder, it shall be subject to the same payment terms as the original purchase. AFAR COMMUNICATIONS INC. HEREBY DISCLAIMS ALL IMPLIED WARRANTIES OF PRODUCTS INCLUDING WITHOUT LIMITATION, ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. The warranties expressly stated herein are the sole obligation or liability on the part of AFAR COMMUNICATIONS INC. arising out of or in connection with the sale or performance of the products. Products Manufactured by Others - For the products not manufactured by AFAR COMMUNICATIONS INC. the original manufacturer’s warranty shall be assigned to PURCHASER to the extent permitted and is in lieu of any other warranty, express or implied. For warranty information on a specific product, a written request should be made to AFAR COMMUNICATIONS INC.. IN NO EVENT WILL AFAR COMMUNICATIONS INC. BE LIABLE TO PURCHASER FOR (i) FOR REPROCUREMENT COSTS; (ii) SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES; (iii) ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT, OR THE USE OF PERFORMANCE OF AFAR COMMUNICATIONS INC. PRODUCTS, REGARDLESS OF WHETHER THE CAUSE OF ACTION IS IN CONTRACT, TORT, IN…

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Afar CommunicationsFCC ID: QN7-24027 ADDITIONAL INFORMATION FOR USER MANUAL Because of bandedge and harmonic emission considerations, the Afar 24027 radio may not be used at full power at all channels, when connecting via cable less than 6ft in length. The following information will be included in production versions of the user manual. ChannelMax. Power Setting 9 dBi omni antenna Max. Power Setting 18 dBi panel antenna Max. Power Setting 24 dBi grid antenna 37221910 36232120 35232221 34232322 33232323 20212321 All others 232323

tel: 650-726-1263 fax: 650-726-1252 [email protected] Thomas N. Cokenias EMC &Radio Approvals Test & Consulting Services for Commercial, Military, International Compliance P.O. Box 1086 El Granada, CA 94018 email: [email protected] Compliance Certification Services 561F Monterey Road Morgan Hill, CA 95037 Attention: Mike Kuo Re: Request to withhold portions of certification application from public view per FCC Rule Part: 0.459 Applicant: Afar Communications Inc. FCC ID:Q7N-24027 Dear Mike, On behalf of my client Afar Communications Inc., I request the following documents be withheld from public view: Schematics Block diagram Theory of operation Afar has invested considerable resources in the design and execution of this product and as such, other manufacturers would be afforded an unfair competitive advantage were the referenced documents to be made easily available. If you have questions or need further information, please contact the undersigned. Sincerely, THOMAS N COKENIAS Agent for Afar Communications Inc.

Afar Communications IncFCC ID: Q7N-24027 External Photographs Afar Communications IncFCC ID: Q7N-24027 Afar Communications IncFCC ID: Q7N-24027 Afar Communications IncFCC ID: Q7N-24027

Afar Communications IncFCC ID: Q7N-24027 Internal Photographs Afar Communications IncFCC ID: Q7N-24027

Afar Communications Inc.2.4 GHz DTS Systems FCC ID: Q7N-24027 1 EMISSIONS TEST REPORT FOR A LOW POWER TRANSMITTER I. GENERAL INFORMATION Requirement:Federal Communications Commissions Test Requirements: 15.205, 15.207, 15.209, 15.247 Applicant: Afar Communications Inc. Product ID: FCC ID: Q7N-24027 Antennas used with this product must be professionally installed. The user manual for this product instructs users of this fact, along with providing instructions on allowable power and frequency settings. II. DESCRIPTION OF EQUIPMENT UNDER TEST (EUT) RF Specifications RF Frequency Band2.406 to 2.474 GHz RF Channels 34 channels programmable in 2 MHz steps 12 non-overlapping channels RF Signal Bandwidth4.6 MHz Modulation TypeBPSK, QPSK and CCK Data rate250, 500, 1375, 2750 Kbps Transmitter Output Power23 dBm (average), variable Antennas 24 dBi grid antenna 18 dBi flat panel antenna 9 dBi omni antenna The product employs the Prism chipset from Intersil used in most of the 802.11b devices used in a non-standard mode. The modification consists of slowing down the clock to 1/4 of the standard rate. All the RF circuitry stayed the same but the occupied RF bandwidth is now 1/4 of the previous design. III. TEST LOCATION All tests were performed at: Compliance Certification Services 571F Monterey Road Morgan Hill, CA 95037 T.N. Cokenias16 September 2003 EMC Consultant/Agent for Afar Communications Inc. Afar Communications Inc.2.4 GHz DTS Systems FCC ID: Q7N-24027 2 TEST PROCEDURES Measurement Equipment Used: TEST EQUIPMENTS LIST Name of EquipmentManufacturerModel No. Line FilterLindgren 10k - 10GHzLMF-3489 LISNFischer 9k - 100MHzFCC-LISN-50/250-25-2 EMI Test ReceiverRohde & SchwarzESHS 20 Spectrum AnalyzerAgilentE4446A ReceiverHP84320A Antenna, BilogSchaffner-Chase30M-2GHzCBL6112B Pre-AmplifierMITEQ1-26GHzNSP2600-44 Horn Antenna(1 - 18GHz)EMCO3115 Filter 3.2 GHzFSY MicrowaveFM-3200-9SS Radiated Emissions Test Requirement: 15.109, 15.205, 15.209, 15.247 Test Procedures, 1- 26 GHz: 1. The EUT was placed on a wooden table resting on a turntable on the open air test site. The search antenna was placed 3m from the EUT. The EUT antenna was mounted vertically as per normal installation. 2. The turntable was slowly rotated to locate the direction of maximum emission at each emission falling in the restricted bands of 15.205. 3. Radiated emissions were investigated for a LOW channel, a MID channel, and HIGH channel. Emissions were investigated to the 10 th harmonic. 4. Once maximum direction was determined, the search antenna was raised and lowered in both vertical and horizontal polarizations. The maximum readings so obtained are recorded in the data listed below. NOTE: Spurious and harmonic emissions appeared to be independent of modulation type. CCK appeared to be worst case for bandedge and was chosen as the modulation type for radiated emissions. CCK was also chosen for antenna conducted output emissions, as tests indicated no significant difference test data differences among the three modulation types. Afar Communications Inc.2.4 GHz DTS Systems FCC ID: Q7N-24027 3 Radiated Test Set-up, 1-40 GHz d: 1-3m 1-2m d -or- preamplifier Figure 2 Testing was performed at 3 different frequencies ChannelFrequency, MHz Low2406 Mid2440 High2474 Radiated emissions were performed at each frequency for 2 different transmitter antennas. Antennas tested: Antenna TypeGainAntenna Manufacturer Model Number omni9 dBiMobilemarkOD9-2400-24 grid24 dBiAndrew AND26T-2400-1 flat panel18 dBiSuperpass SPFPG18 Test Results: Worst case results are presented. Refer to separate Excel spread sheet files. NOTE: Normal EUT operation is TDD (TX on 50%, RX on 50%). Duty cycle is –6dB and is entered on radiated emissions spread sheets. Afar Communications Inc.2.4 GHz DTS Systems FCC ID: Q7N-24027 4 Radiated Test Set-up, 30 - 1000 MHz Antenna mast Ground plane 1 - 4 meters 3 meters turntable, laptop computer Figure 3 preamplifier spectrum analyzer Test Procedures, 30 -1000 MHz The EUT was set to RECEIVE/TRANSMIT mode. Radiation emissions from the digital portion of the EUT were measured according to the dictates of ANSI C63.4. Test Results Refer to separate attachment. 09/15/03 High Frequency Measurement Compliance Certification Services, Morgan Hill Open Field Site Test Engr:William Zhuang Project #:03U2168-1 Company Name:Afar Communication EUT Descrip.:Afar Communication EUT M/N:AR24027 with 9 dBi omni Test Target:FCC15.247 Mode Oper:Transmit Test Equipment: Peak Measurements:Average Measurements: 1 MHz Resolution Bandwidth1 MHz Resolution Bandwidth 1MHz Video Bandwidth10Hz Video Bandwidth fDistRead PkRead Avg.AFCLAmpD CorrHPFPeakDutyAvgPk LimAvg LimPk MarAvg MarNotes GHzfeetdBuVdBuVdB/mdBdBdB dBuV/mCycle dBdBuV/mdBuV/mdBuV/mdBdB 4.8809.871.063.033.83.9-45.60.01.063.9-6.050.074.054.0-10.1-4.0Mid Ch 20, V, PL 21 4.8809.872.565.733.83.9-45.60.01.065.5-6.052.774.054.0-8.5-1.3Mid Ch 20, H, PL 21 7.3209.855.343.937.34.9-46.60.01.051.9-6.034.574.054.0-22.1-19.5Mid Ch 20, V, PL 21 7.3209.855.744.937.34.9-46.60.01.052.3-6.035.574.054.0-21.7-18.5Mid Ch 20, H, PL 21 4.8129.871.864.433.73.8-45.60.01.064.8-6.051.474.054.0-9.2-2.6Low Ch 3, V, PL 23 4.8129.869.460.733.73.8-45.60.01.062.4-6.047.774.054.0-11.6-6.3Low Ch 3, H, PL 23 7.2189.858.548.637.24.9-46.60.01.054.9-6.039.074.054.0-19.1-15.0Low Ch 3, V, PL 23 7.2189.857.246.937.24.9-46.60.01.053.6-6.037.474.054.0-20.4-16.6Low Ch 3, H, PL 23 4.9489.867.159.133.83.9-45.70.01.060.1-6.046.174.054.0-13.9-7.9High Ch 37, V, PL 23 4.9489.874.166.933.83.9-45.70.01.067.1-6.053.974.054.0-6.9-0.1High Ch 37, H, PL 23 7.4229.866.151.537.45.0-46.50.01.062.9-6.042.374.054.0-11.1-11.7High Ch 37, V, PL 23 7.4229.864.150.037.45.0-46.50.01.060.9-6.040.874.054.0-13.1-13.2High Ch 37, H, PL 23 T86 Miteq 924341 Pre-amplifer 1-26GHzEMCO Horn 1-18GHz T60; S/N: 2238 @1m Spectrum Analyzer Agilent E4446A Analyzer Horn > 18GHz (2 ft) gfedcb (2 ~ 3 ft) gfedc (4 ~ 6 ft) gfedc (12 ft) gfedcb Hi Frequency Cables 09/04/03 High Frequency Me…

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Afar Communications IncFCC ID: Q7N-24027 Test Setup Photographs Radiated (digital emissions 30 – 1000 MHz) Afar Communications IncFCC ID: Q7N-24027 Grid antenna radiated Afar Communications IncFCC ID: Q7N-24027 Grid antenna radiated Afar Communications IncFCC ID: Q7N-24027 Panel antenna radiated Afar Communications IncFCC ID: Q7N-24027 Omni Radiated