21-1902
RadioShack Copyright
22 Ch GMRS/FRS Two-way Radio
Your RadioShack 22 Channel FRS/GMRS Two-way Radio provides short-range voice radio communication that lets families and groups keep in touch with each other on specific reserved channels.
Your RadioShack 22 Channel FRS/GMRS Two-Way Radio is a lightweight, palm-sized radio you can use to talk with another person who has a FRS/GMRS radio set to the same frequency as your radio.
Your radio has 22 channels and 38 different quiet codes, which you can use to talk with another person who has a GMRS or FRS radio set to the same frequency as your radio. Your radio also has auto-squelch, so you will not hear anything on a channel unless someone is transmitting nearby on the same channel.
You can connect an optional speaker/microphone and earphone to the radio (neither supplied, available at your local RadioShack store).
Your radio’s display has a backlight that turns on for about 5 seconds when you press any key except PTT.
Your radio’s other features include:
Ø22 Channels – provide clear communications for up to two miles in FRS channel and up to three miles in GMRS channel.
ØChannel Scan – use to find other FRS users.
Ø38 Quiet Code – eliminates interference from other radios that are not tuned to the same channel and quiet code as your radio.
ØKey Beep – short beep generation for key pressed acknowledgement except PTT or Function key.
ØVoice Operated Transmission (VOX) – enables standalone usage and works with handsfree accessory.
ØAutomatic Power Off – the radio auto power off when the radio is idle for 30, 60 or 90 minutes.
ØHi/Lo power selection – select the transmit power 0.5W or 1.0W in GMRS channel.
ØCourtesy Tone – at the end of transmission, it generates for end of message acknowledgement.
ØCaller ID – In transmitter, user can select the receiver radio to receive the Call. In receiver, the radio will receive the Call that is address to this radio and display the transmitter ID number on LCD.
ØPLL (Phase –Lock Loop) Controlled Circuitry – provides accurate and stable channel selection.
Description of 21-1902 LCD diagram
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Miss ID Indicator |
Keypad Lock |
500mW Low Power |
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Key Beep |
Courtesy Tone |
Battery Level Meter |
CTCSS code Indicator |
Signal Strength Meter |
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Transmit |
Function |
Scan |
Automatic Power Off |
Voice Operated Transmission |
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Channel Indicator |
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INSTALLING BATTERIES
Your radio requires four AAA alkaline batteries (not supplied) or rechargeable nickel-cadmium (Ni-Cd) / nickel-metal hydride (Ni-MH) batteries (supplied) for power. For the best performance and longest life, we recommend RadioShack batteries.
Cautions:
∙Use only fresh batteries of the required size and recommended type.
∙Do not mix old and new batteries, different types of batteries (alkaline or rechargeable), or rechargeable batteries of different capacities.
1. Rotate VOL/OFF counterclockwise until it clicks to turn off the radio. 2.
3. Pull down the latch on the battery compartment cover, then remove the cover. 4.
5.Slide CHARGE ON/OFF inside the battery compartment to OFF (for alkaline batteries) or ON (for Ni-Cd or Ni-MH rechargeable batteries) when charging the battery through the 6V DC jack on the button of the radio.
Warning: Never install non-rechargeable batteries when CHARGE ON/OFF is set to ON. Non-rechargeable batteries can get hot or explode if you try to recharge them.
6.Install four AAA batteries according to the polarity symbols (+ and -) marked inside.
5. Replace the cover and push the latch up until it clicks, then rotate VOL/OFF clockwise until it clicks to turn on the radio.
The battery icon’s segments 
display to show how much power remains. When the Battery bracket flashes, replace alkaline batteries or recharge Ni-Cd or Ni-MH batteries.
Warning:
∙Dispose of old batteries promptly and properly. Do not burn or bury them.
Caution:
∙If you do not plan to use the radio for a month or longer, remove the batteries. Batteries can leak chemicals that can destroy electronic parts.
Recharging Ni-Cd or Ni-MH Batteries through 6V DC jack
Warning:
∙Do not attempt to charge alkaline batteries. Non-rechargeable batteries can get hot or explode if you try to recharge them.
The radio’s DC 6V jack is for charging Ni-Cd or Ni-MH batteries and powering the radio.
You can recharge Ni-Cd or Ni-MH batteries inside the radio at home or vehicle, using a 6V, 600mA AC or DC adapter and a size F AdaptaplugTM connector.
Cautions:
∙You must use a Class 2 power source that supplies regulated 6V DC (Not more than 6V) and delivers at least 600mA. Its center tip must be set to positive and its plug must fit the radio’s DC 6V jack. Using an adapter that does not meet these specifications could damage the radio or the adapter.
∙Always connect the adapter to the radio before you connect it to an external power source (such as an AC outlet or a vehicle cigarette-lighter socket). When you finish, disconnect the adapter from the power source before you disconnect it from the radio.
1.Rotate VOL/OFF fully counterclockwise to turn off the radio.
2.Pull down the latch on the battery compartment cover and remove the cover.
3.Set CHARGE ON/OFF to ON.
4.Place four Ni-Cd or Ni-MH batteries in the compartment according to the polarity symbols (+ and -) marked inside. Then replace the cover and push the latch up until it clicks.
5.Attach the Adaptaplug to the adapter so TIP reads positive (+).
6.Connect the Adaptaplug’s other end to the radio’s DC 6V jack and plug the adapter into a standard AC outlet or vehicle’s power source.
Note:
∙Complete charging takes about 10 hours. When charging is complete, unplug the AC or DC adapter from the power source, then disconnect it from the radio’s DC 6V jack.
∙Ni-MH batteries take longer to charge than Ni-Cd batteries.
Recharging Ni-CD or Ni-MH batteries through slow-charger
1.Power up the slow-charger.
2.Place four Ni-CD or Ni-MH batteries in the compartment according to the polarity symbols (+ and -) marked inside, then replace the cover and push the latch up until it clicks.
3.Place the radio into the slow-charger.
Note:
∙Complete charging takes about 10 hours. When charging is complete, remove the radio from the slow-charger.
Important: The EPA certified RBRC® Battery Recycling Seal on the nickel-cadmium (Ni-Cd) battery indicates RadioShack is voluntarily participating in an industry program to collect and recycle these batteries at the end of their useful life, when taken out of service in the United States or Canada. The RBRC program provides a convenient alternative to placing used Ni-Cd batteries into the trash or the municipal waste stream, which may be illegal in your area. Please
call 1-800-THE-SHACK (1-800-843-7422) for information on Ni-Cd battery recycling and disposal bans/restrictions in your area. RadioShack’s involvement in this program is part of the company’s commitment to preserving our environment and conserving our natural resources.
OPERATION
Power On/Off
Rotate VOLUME/ OFF to turn the radio on or off and adjust the volume.
Transmit
Hold down PTT to send a page to other FRS radios set to the same channel (and the same quiet code, if you selected one). TX appears. Release PTT to stop transmission.
Note:
∙If you hold down PTT for about 2 minutes, the radio automatically stops transmission to save power.
Selecting Channel
Press UP or DOWN key manually to select the desired channel. The selected channel number appears.
FRS Frequencies Table
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Channel |
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Frequency (MHz) |
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Description |
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1 |
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462.5625 |
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FRS 1/GMRS Interstitial 1 |
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2 |
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462.5875 |
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FRS 2/GMRS Interstitial 2 |
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3 |
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462.6125 |
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FRS 3/GMRS Interstitial 3 |
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4 |
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462.6375 |
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FRS 4/GMRS Interstitial 4 |
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5 |
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462.6625 |
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FRS 5/GMRS Interstitial 5 |
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6 |
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462.6875 |
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FRS 6/GMRS Interstitial 6 |
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7 |
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462.7125 |
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FRS 7/GMRS Interstitial 7 |
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8 |
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467.5625 |
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FRS 8 |
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9 |
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467.5875 |
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FRS 9 |
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10 |
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467.6125 |
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FRS 10 |
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11 |
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467.6375 |
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FRS 11 |
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12 |
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467.6625 |
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FRS 12 |
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13 |
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467.6875 |
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FRS 13 |
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14 |
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467.7125 |
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FRS 14 |
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15 |
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462.5500 |
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GMRS Primary 1 |
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16 |
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462.5750 |
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GMRS Primary 2 |
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17 |
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462.6000 |
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GMRS Primary 3 |
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18 |
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462.6250 |
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GMRS Primary 4 |
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19 |
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462.6500 |
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GMRS Primary 5 |
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20 |
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462.6750 |
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GMRS Primary 6 |
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21 |
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462.7000 |
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GMRS Primary 7 |
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22 |
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462.7250 |
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GMRS Primary 8 |
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