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V:y -nu; n.1 aa a0on311atiN Os79 Z0 ar 1130I11VO 1 . , - 6/MIN 01.411 060W05+9 961í0E of 14024 14278 ee ° Popular Electro rocs AmericanRadioHistory.Com Introducing the mobile that can move And ike all Cobras it comes equipped you out of the world of the ordinary with such standard features as an easy - and into the world of the serious CB'er. to -read LED channel indicator. The Cobra 138XLR Single Sideband. Switchable noise blanking and limiting. Sidebanding puts - p An RF/signal strength meter. And you in your own I SB LSr Cobra's exclusive DynaMike gain control. private world. A - d ' You'll find the 138XLR SSB wherever world where there's Cobras are sold. Wnich is almost every- less congestion. t, where. Because Cobra's got a nationwide More privacy. J network of dealers and Authorized More time to talk. - Service Centers offering sales, installation, It's all possible because instead of 40 service and advice. So come on in. channels you get your choice of 120 And move on up. channels. 3oth AM and SSB. And instead of 4 watts of legal power you get 12 watts of legal power. So you get almost double the range of AM. obra With the 138XLR Single Sideband Punches through loud and clear. there's less background noise and less Cobra Communications Products interference. So there's cleaner, clearer DYNASCAN CORPORATION reception. Because like all Cobras, the 6460 W. Cortland St., Chicago, Illinois 60635 Wnte for color brochure 138XLR SSB is engineered to punch EXPORTERS: Ernpre Plamvrew. N Y CANADA: Atlas Electrorucs Toronto tnrough loud and clear. Even in crowded metropolitan areas. CIRCLE NO. 7 ON FREE INFORMATION CARO 1 .JA bra 13BxL.a i NB ANL 'TS .tF frA OFF TONE DWMER -LOCK VOLUME SQUELCH RE GAIN AM USB LSE VOICE DYNAMIKE ' -; L. OOP 1 ,r _ , f ¡ t ' *41 ' Q AmericanRadioHistory.Com New integrated circuit technology and a major electronic breakthrough brings you the world's smallest citizens band transceiver. Scientists have produced a personal com- SUPERIOR FEATURES munications system so small that it can easily Just check the advanced PocketCom fit in your pocket. It's called the PocketCom features now possible through this new circuit and it replaces larger units that cost con- breakthrough: 1) Incoming signals are amp- siderably more. lified several million times compared to only MANY PERSONAL USES 100,000 times on comparable conventional An executive can now talk with anybody in systems. 2) Even with a 60 decibel difference his office, his factory or job site. The house- in signal strength, the unit's automatic gain incoming The PocketCom measures approximately '/" wife can find her children at a busy shopping control will bring up each signal to x 1 %" x 5Z" and easily fits into your shirt center. The motorist can signal for help in an a maximum uniform level. 3) A high squelch pocket. The unit can be used as a personal The salesman, the sensitivity (0.7 microvolts) permits noiseless emergency. construction communications link for business or pleasure. foreman, the traveler, the sportman, the operation without squelching weak signals. hobbyist-everybody can use the PocketCom. LONG RANGE COMMUNICATIONS GIVE IT A REAL WORKOUT Remember the first time you saw a pocket The PocketCom's range is limited only by calculator? It probably seemed unbelieveable. its 100 milliwatt power and the number of The PocketCom may also seem unbelieveable metal objects between units or from a few so we give you the opportunity to personally blocks in the city to several miles on a lake. examine one without obligation. Order only Its receiver is so sensitive, that signals several a basis. Then really test miles away can be picked up from stronger two units on trial them. Test the range, the sensitivity, the citizens band base or mobile stations. EXTRA LONG BATTERY LIFE convenience. Test them under your everyday VERY SIMPLE OPERATION The PocketCom has a light -emitting diode conditions and compare the PocketCom with To use the PocketCom simply turn it on, low -battery indicator that tells you when larger units. your 'N' cell batteries require replacement. extend the antenna, press a button to trans- After you are absolutely convinced that the The integrated circuit requires such low mit, and release it to listen. And no FCC PocketCom is indeed that advanced product power that the two batteries, with average license is required to operate it. The Pocket - breakthrough, order your additional units, 14 use, will last weeks without running down. Corn has two Channels-channel and an crystals or accessories on a priority basis as optional second channel. To use the second one of our established customers. If, however, channel, plug in one of the 22 other citizens the PocketCom does not suit your particular band crystals and slide the channel selector to requirements perfectly, then return your units the second position. Crystals for the second within ten days after receipt for a prompt and channel cost $7.95 and can only be ordered courteous refund. You cannot lose. Here after receipt of your unit. is your opportunity to test an advanced space-age product at absolutely no risk. EXECUTIVES POLICE MOTOR ISTS A COMPLETE PACKAGE Each PocketCom comes complete with mercury batteries, high performance Channel 14 crystals for one channel, complete instruc- tions, and a 90 day parts and labor warranty. The PocketCom components are equivalent to To order by mail, simply mail your check for 112 transistors whereas most comparable a $19.95 per unit $39.95 for two) plus SHOPPERS HIKERS FOREMEN (or units contain only twelve. $2.50 per order for postage, insurance and The PocketCom can be used as a pager, an handling to the address shown below. (Illinois intercom, a telephone or even a security residents add 5% sales tax). But don't delay. device. Personal communications is the future of A MAJOR BREAKTHROUGH MULTIPLEX INTERCOM communications. Join the revolution. Order your PocketComs at no obligation today. The PocketCom's small size results from a Many businesses can use the PocketCom as breakthrough in the solid state device that a multiplex intercom. Each employee carries a made the pocket calculator a reality. Scien- unit tuned to a different channel. A citizens tists took 112 transistors, integrated them on band base station with 23 channels is used to NEW LOW PRICE! a micro silicon wafer and produced the page each PocketCom. The results: an inex- Credit Card Buyers Call Toll -Free world's first transceiver linear integrated cir- pensive and flexible multiplex intercom cuit. This major breakthrough not only re- system for large construction sites, factories, $1911 duced the size of radio components but im- offices, or farms. proved their dependability and performance. unit NATIONAL SERVICE 'Sold originally for $40 per unit. ZEE IR The PocketCom is manufactured exclusive- ly for JS&A and is the unit currently used on the hit TV show, Charlie's Angels. JS&A is NATIONAL BEEP -TONE PAGING SYSTEM America's largest supplier of space-age prod- SALES You can page another PocketCom user, ucts-further assurance that your modest in- within close range, by simply pressing the vestment is well protected. The PocketCom GROUP PocketCom's call button which produces a should give you years of trouble -tree service, Dept. PE One JS&A Plaza beep tone on the other unit if it has been left however, should service ever be required, Northbrook, III. 60062 (312) 564-9000 in the standby mode. In the standby mode simply slip your 5 ounce PocketCom into its CALL. TOLL -FREE 800 323-6400 handy mailer and send it to our prompt na- the unit is silent and can be kept on for weeks In Illinois call . (312) 498-6900 without draining the batteries. tional service -by -mail center. ©JS&A Group, Inc ,1977 CIRCLE N0. 56 ON FREE INFORMATION CARD FEBRUARY 1978 AmericanRadioHistory.Com akn Hobbyist or professional, there cords or jumpers needed-just NO. OF 14 -PIN DIP SUGG. OTHER * are probably a lot of circuits you MODEL TIE -POINTS CAPACITY LIST FEATURES lengths of ordinary #22-30 AWG build just for the fun of it. And a lot PB-6 630 6 $15.95 Kit -10 -minute solid hookup wire. assembly you'd like to build, but never get Circuits go together as quickly as PB-100 760 10 19.95 Kb-with larger around to. Capacity you can think them up. And parts One reason is the cost of parts. PB-101 940 10 29.95 8 distribution are re -usable, so as your "junk box" buses, higher Parts you buy for one project, but capacity builds, you build more and more can't re -use... because you haven't PB-102 1240 12 39.95 Large capacity, projects for less and less money.