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O9GGMRS522FRS/GMRS Transceiver

Trisquare Communications Inc.
FRS/GMRS Transceiver - FCC ID O9GGMRS522 - Trisquare Communications Inc.
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Application Details

Equipment Class
FRF - Part 95 Family Radio Face Held Transmitter
Date of Grant
May 08, 2002
Application Purpose
Original Equipment
Date of Application
Apr 07, 2002
Equipment Note
FRS/GMRS Transceiver
Frequency Range
467.56250000 - 467.71250000
Company
Trisquare Communications Inc.
Country
United States

Documents & Files

Select a file to view

Users Manual

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Block Diagram

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External Photos

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ID Label/Location Info

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Internal Photos

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Operational Description

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Parts List/Tune Up Info

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Schematics

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Test Report

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

INSTALL THE BATTERIES Your GMRS522-2 radio uses the included NiMH battery pack or 3 AA alkaline batteries. If alkaline batteries are used, we recommend using high qualityalkaline batteries.To install the NiMH battery pack: 1) Make sure your radio is OFF.2) Remove the battery compartment door by pressing the tab at the bottom of the compartment door allowing the door to be removed. 3) Place the NiMH battery pack in the compartment, paying close attention to the alignment key. If theNiMH battery pack is installed incorrectly, the unitwill not operate and the compartment door willnot close properly. 4) Replace the battery compartment door.5) The battery pack must be charged before using for the first time. Place the GMRS522-2 radio into This unit has a battery level meter on the display toindicate the status of the batteries. When the batteries in the unit are low, the battery meter icon will flash and the unit will emit a low battery tone. Replace the alkaline batteries immediately or if you are using the NiMH battery pack, you mustrecharge the batteries in order to continue usingthe radio.Warning! To avoid the risk of personal injury or property damage from fire or electrical shock, onlyuse the Uniden accessories specifically designatedfor this product. Congratulations on your purchase of the UnidenGMRS522-2 (General Mobile Radio Service) radio.This product is a lightweight, palm-sized radio. Use itat sporting events to stay in contact with family andfriends, hiking, skiing, outdoors, or in a neighborhoodwatch for vital communication. This compact, state-of-the-art device is equipped with many features. OPTIONAL ACCESSORIES Your package contains the 2 GMRS522-2 radios, 2 NiMH battery packs, a dual charge cradle, anAC/DC adapter, this reference guide, and a productregistration card. You may operate each unit using 3 AA alkaline batteries or the included rechargeableNiMH battery pack. The following replacement accessories may be purchased from your participating Uniden dealer or call 1-800-554-3988 or visit us on the web at www.uniden.com.Use only Uniden accessories. • Recharge Cradle with AC Adapter - #RC5248• Extra Battery - #BP524 Adjusting the Sound (Key Beeps)Your radio emits a beep each time one of the buttonsor keys are pressed. To turn this sound OFF, pressselect/lock while turning on the radio. Repeat this step to turn the sound ON. Navigating through the MenuTo access the advanced features of the GMRS522-2, your radio has a Menu function. 1) To enter the Menu, press the select key.2) Additional presses of the select/lock key will advance you through the menu until exiting to"normal" operating mode. 3) Other methods of exiting the menu function are:a. Press and hold the select/lock key again. b. Press PTT . (Push To Talk) c. Wait 10 seconds until the unit automatically returns to "normal" mode. THANK YOU FOR PURCHASING A UNIDEN PRODUCT BATTERY LEVEL AND LOW BATTERY ALERT Talking on Your RadioTo talk to others using the radio: 1) Press and hold the PTT button and speak in a clear, normal voice about 2-3 inches away from the microphone. While you are transmitting, the TT XX icon will appear on the display. To avoid cutting off the first part ofyour transmission, pause slightly after pressing the PTT button before you start talking. *Range may vary depending on environmental and/or topographical conditions. • 22 Channels• 38 CTCSS Codes• Extended Long Range*• 5 Selectable Call Tone Alerts• Backlit LCD Display • Battery Recharge Circuit • NiMH Battery Pack and Drop-in Charger • Battery Level Meter• Channel Scan• Keypad Lock GMRS522-2 Turning the Radio On and Adjusting the Volume 1) Rotate the on/off/volume control counter clockwise to turn the unit ON and increase the speaker volume. 2) Rotate the on/off/volume control clockwise to decrease the speaker volume and turn the unit OFF. USING THE RADIO In order to get the most out of your new radio, readthis reference guide completely before attempting tooperate the unit. Choosing a CTCSS CodeEach of the GMRS channels 1-22 may have anyone of the codes 0 - 38 selected. Code "0" indicates no CTCSS code selected and your radio canreceive a signal regardless of the code settings ofthe transmitting radio. 1) Enter the Menu. The CTCSS code on the LCD display will flash. 2) Press the s or t key to increase or decrease the code number displayed. 3) Exit the Menu to return to "normal" mode. Choosing a ChannelYour radio has 22 channels and 38 CTCSS codesyou can use to talk to others. In order to speak tosomeone, each of you must be set to the samechannel and CTCSS code.To choose a channel:With the radio in normal operating mode press thes or t key to increase or decrease the channel number displayed. Transmitting a Call Alert ToneYour GMRS522-2 radio is equipped with 5selectable call tones that will be transmittedwhen the call key is pressed. To select a call tone: 1) Enter the Menu. Advance through the Menu until the CC AA LL LL icon is shown on the display. The current call tone number( 11 - 55 ) will be indicated. 2) Press the s or t key to increase or decrease the number to the desired calltone. Each tone will be heard through the speaker. 3) Exit the Menu. To transmit the selected call alert tone, press the call key. The selected tone will automatically be transmitted for a fixed length of time. 1 Antenna 13 Battery Level Meter 2 PTT Button 14 Scan Indicator 3 Up/Scan Key 15 Transmit Indicator 4 Down/Scan Key 16 Lock Indicator 5 Speaker 17 Channel Indicator 6 On/Off/Volume Control 18 Call Alert 7 Beltclip 19 Receive Indicator 8 Select/Lock Key 20 CTCSS Code 9 Call Key 10 Microphone11 Battery Cover12 Charging LED’s FCC GMRS LICENSE The GMRS522-2 radio operates on the GeneralMobile Radio Service (GMRS) frequencies whichrequire a Federal Communication Commissionlicense to operate. For licensing information andapplication forms, visit the FCC online at:www.fcc.gov/wtb/uls or call the FCC hotline at 1-800-418-3676. If you have any questions you can c…

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Block Diagram

CPU IF PLL SAW FILTER IFLPFHPF Squelch Filter RΣ LCD KEYPAD MATRIX VCO T/R Loop Filter RX CNTL HPFLPF MIC LIMITER PRE-EMPHASIS DEVIATION ADJUST PWR AMP PRE AMP BUF 460~470MHz 10.7MHz 10.250MHz 450KHz TCXO 10.250MHz DE-EMPHASIS RX MUTE POWER CNTRL +4.5 TX RX 4.5V AAx3 GMRS522 - System Block Diagram TriSquare CommunicationsTriSquare Communications Confidential Proprietary LPF CTCSS LPF CTCSS VOL CNTL BACKLIGHT PTT MON PAGE MENU UP DOWN CALL TONE SQUELCH IN TX CNTL RX CNTL VCO PWR CNTL T/R TX LPF 470MHz LNA TX CNTL T/R 2.56MHz

External Photos

Front View Left Side View Back View Right Side View Batter y Co mpartme nt Top View

Operational Description

Operational Description The GMRS522 radio is a self-contained transceiver unit intended for use as a general communication tool. Per the FCC definition: GMRS is a land mobile radio service available to persons for short distance two-way communications to facilitate the activities of licensees and their immediate family members. The GMRS522 model has 22 channels of w hich channels 1-7 share the FRS channels 1-7. Other features include a CTCSS system with 38 pre-defined user selectable sub-audible tones for channel quieting. The useable range, while dependent upon terrain and other radio propagation principles, is typically two miles based on the transmit power specified at 0.5 watts ERP.

Parts List/Tune Up Info

TRANSMITTER TUNE-UP AND ALIGNMENT Model GMRS522 FCC ID: O9GGMRS522 1. Frequency Setting A. Connect a frequency counter or communications service monitor capable of at least five watt RF. B. Press the PTT switch. C. Adjust CT300 trimmer capacitor such that the output frequency is equal to the channel frequency with a maximum error of +/- 300 Hz. CT300 is located to the left of CF301 near the reference crystal unit. 2. Deviation Adjustment A. Connect an audio generator to the microphone test terminals. The audio frequency should be set at 1KHz with a level of 80mv. B. Connect an FM deviation meter or communications service monitor to the antenna connector. Set the monitor to read peak deviation. C. Press the PTT switch. D. Adjust RV301 for +/- 2.5 KHz deviation. RV301 is located to the left of the VCO shield can.

Schematics

Gmrs522_SCH_XB0.sch-1 - Tue Feb 12 17:40:02 2002

Test Report

A. INTRODUCTION The following certification data are submitted in connection with this request for type certification of the GMRS 522 transceiver in accordance with Section 2, of FCC Rules. The GMRS 522 is a hand-held, battery operated, UHF, frequency modulated, transceiver intended for voice communications applications under Part 95 GMRS (channels 1-7 or 15-22)* or Part 95 FRS (channels 8-14)*. *See Appendix A for frequency assignment. 1. The unit’s antenna meets 95.647, (i.e. is integral to the transmitter). 2. Except for power, the technical parameters for operating on all the channels (both FRS and GMRS) are the same as those for FRS, (i.e. 12.5 kHz bandwidth, 2.5 ppm frequency tolerance, maximum 2.5 kHz deviation, etc). 3. A notice is included in the user instructions that clearly informs the consumer (buyer/owner) when the radio is transmitting on GMRS frequencies, that operation on GMRS frequencies requires an FCC license and such operation is subject to additional rules specified in 47 CFR Part 95. B. GENERAL INFORMATION REQUIRED FOR TYPE CERTIFICATION (Section 2.1033 of the Rules) 1. Name of applicant: Trisquare Communications Inc. 2. Identification of equipment: FCC ID: O9GGMRS522 a. The equipment identification label is submitted as a separate exhibit. b. Photographs of the equipment are submitted as separate exhibits. 3. Quantity production is planned. 4. Technical description: a. 11k0F3E emission (FRS and GMRS) b. Frequency range: 462.5500-467.7125 MHz. c. Operating power ERP(d): FRS 0.45 W GMRS 0.41 W 1 B. GENERAL INFORMATION (Cont.) d. Maximum power permitted under FCC Part 95 (interstitial) is 5 watts ERP. The GMRS 522 fully complied with that power limitation. e. The dc voltage and dc currents at final amplifier: GMRS FRS Collector voltage: 4.4 4.4 Vdc Collector current: 0.48 0.50 A f. Function of each active semiconductor device: See Appendix 1. g. Complete circuit diagram is submitted as a separate exhibit. h. A draft instruction book is submitted as a separate exhibit. i. The transmitter tune-up procedure is submitted as a separate exhibit. j. A description of circuits for stabilizing frequency is included in Appendix 2. k. A description of circuits and devices employed for suppression of spurious radiation and for limiting modulation is included in Appendix 3. l. Not applicable. 5. Data for 2.1046 through 2.1057 follow this section. C. RF POWER OUTPUT (Section 2.1046 of the Rules) ERP(d) by substitution: FRS 0.45 W GMRS 0.41 W D. MODULATION CHARACTERISTICS (Section 2.1047) 1. A curve showing frequency response of the transmitter is shown in Figure 1. Reference level was audio signal output from a Boonton 8220 modulation meter with one kHz deviation. Audio output was measured with an Audio Precision System One TRMS voltmeter and tracking generator. 2. Modulation limiting curves are shown in Figure 2, using a Boonton 8220 modulation meter. Signal level was established with an Audio Precision System One. The curves show compliance with Section 2.1047 and 95.633(b). 2 D. MODULATION CHARACTERISTICS (Cont.) 3. Figure 3 is a graph of the post-limiter low pass filter which meets the requirements of paragraph 95.633(b) in providing a roll-off of 60Logf/3 dB where f is audio frequency in kHz. Measurements were made following EIA RS-152B with an Audio Precision System One on the Boonton 8220 modulation meter audio output. 4. Occupied_Bandwidth (Section 2.1047 and 95.629(a) of the Rules) Figure 4a is a plot of the sideband envelope of the transmitter output taken with a Tektronix 494P spectrum analyzer on GMRS Channel 1. Modulation corresponded to conditions of 2.1049(c)(1) and consisted of a 2500 Hz tone at an input level 16 dB greater than that necessary to produce 50% modulation at 1998 Hz, the frequency of maximum response. Figure 4b is a plot under the same conditions for FRS Channel 8. The plots are within the limits imposed by Section 2.1049 and 95.635(b)(1)(3)(7)for frequency modulation. The horizontal scale (frequency) is 10 kHz per division and the vertical scale (amplitude) is a logarithmic presentation equal to 10 dB per division. 5. Emission Designator Calculation: (2D + 2F) 2x2.5 + 2x3.0 = 11k0F3E 3 FIGURE 1 MODULATION FREQUENCY RESPONSE MODULATION FREQUENCY RESPONSE FCC ID: O9GGMRS522 FIGURE 1 4 FIGURE 2 AUDIO LIMITER CHARACTERISTICS AUDIO LIMITER CHARACTERISTICS FCC ID: O9GGMRS522 FIGURE 2 5 FIGURE 3 AUDIO LOW PASS FILTER RESPONSE AUDIO LOW PASS FILTER RESPONSE FCC ID: O9GGMRS522 FIGURE 3 6 FIGURE 4a OCCUPIED BANDWIDTH ATTENUATION IN dB BELOW MEAN OUTPUT POWER Required On any frequency more than 50% up to and including 100% of the 25 authorized bandwidth, 20 kHz (10-20 kHz) On any frequency more than 100%, up to and including 250% of the 35 authorized bandwidth (20-50 kHz) On any frequency removed from the assigned frequency by more 43+10LogP = 39 than 250% of the authorized (P = 0.41 W) bandwidth (over 50 kHz) OCCUPIED BANDWIDTH FCC ID: O9GGMRS522 FIGURE 4a, (GMRS) 7 FIGURE 4b OCCUPIED BANDWIDTH ATTENUATION IN dB BELOW MEAN OUTPUT POWER Required On any frequency more than 50% up to and including 100% of the 25 authorized bandwidth, 20 kHz (10-20 kHz) On any frequency more than 100%, up to and including 250% of the 35 authorized bandwidth (20-50 kHz) On any frequency removed from the assigned frequency by more 43+10LogP = 40 than 250% of the authorized (P = 0.45 W) bandwidth (over 50 kHz) OCCUPIED BANDWIDTH FCC ID: O9GGMRS522 FIGURE 4b, (FRS) 8 E. SPURIOUS EMISSIONS AT THE ANTENNA TERMINALS Not Applicable, integral antenna. F. MEASUREMENTS OF SPURIOUS RADIATION (Section 2.1053, 95.635(b)(7) of the Rules) Measurement of radiated spurious emissions from the GMRS 522 were made by substitution with a Tektronix 494P spectrum analyzer using Singer DM-105A calibrated test antennae for the measurements to l GHz, Polarad CA-L, CA-S, CA-M and/or EMCO 3115. The transmitter was located in an OATS 3 meters from the test antenna. Supply voltage was a power supply with a termin…

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Contact Information

Applicant

Philip Staley(Product Development Manager)
[email protected](816) 505-3575Fax: (816) 505-3579

Technical Contact

Hyak Laboratories, Inc.Rowland S Johnson
[email protected](703) 451-1188

7011 Calamo St., Suite 107 · Springfield, Virginia · United States

Non-Technical Contact

Hyak Laboratories, Inc.Georgia Hall
[email protected](703) 451-1188

Test Firm

Carl T. Jones CorporationCarl Jones
[email protected]703-569-7704Fax: 1234567890

Technical Specifications

#Rule PartsFrequency RangePower OutputEmissionTolerance
295B467.5625 MHz - 467.7125 MHz450.00 mW11k0F3E0.00025 %

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