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21-1905 
RadioShack Copyright  

22 Ch GMRS/FRS Two -way Radio 

 
Your RadioShack 22 Channel  FRS/GMRS  Two-way Radio provides short-range voice radio 
service 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: 

Ø 

22 Channels

 – provide clear communications for up to two miles in FRS channel and up to 

three miles in GMRS channel. 

 

Ø 

Channel Scan

 – use to find other FRS users. 

 

Ø 

38 Quiet Code

  – eliminates interference from other radios that are not tuned to the same 

channel and quiet code as your radio. 

 

Ø 

Key Beep

 – short beep generation for key pressed acknowledgement except 

PTT 

or 

FUNC

 

key. 

 

Ø 

Vibrate 

– vibrates for 2 seconds when receiving a signal if the radio has been idle for more 

than 30 seconds.  

 

Ø 

Voice Operated Transmission (VOX)

  – enables standalone usage and works with 

handsfree accessory. 

 

Ø 

Automatic Power Off

  – the radio auto power off when the radio is idle for 30, 60 or 90 

minutes. 

 

Ø 

Hi/Lo power selection

 – select the transmit power 0.5W or 2W in GMRS channel. 

 

Ø 

Courtesy Tone

  – at the end of transmission, it generates for end of message 

acknowledgement. 

 

Ø 

Caller 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. 

 

Ø 

Panic  – 

the radio generates alarm sound when emergency. 

 

Summary of Contents for 21-1905

Page 1: ...you press any key except PTT Your radio s other features include 22 Channels provide clear communications for up to two miles in FRS channel and up to three miles in GMRS channel Channel Scan use to...

Page 2: ...ging 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...

Page 3: ...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...

Page 4: ...de 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...

Page 5: ...151 4 6 82 5 25 156 7 7 85 4 26 162 2 8 88 5 27 167 9 9 91 5 28 173 8 10 94 8 29 179 9 11 97 4 30 186 2 12 100 0 31 192 8 13 103 5 32 203 5 14 107 2 33 210 7 15 110 9 34 218 1 16 114 8 35 225 7 17 11...

Page 6: ...ppears Press UP or DOWN key to select the desired level There are four levels of sensibility 1 4 i e Lo Hi select OFF to turn off this function Press PTT key to store the setting When no keypress foun...

Page 7: ...ving Caller ID data at the same Channel and CTCSS code If the Call ID number matches with its Home ID number Receiver ID number or equal to Group Call then it represents the call is addressed to this...

Page 8: ...until the Call ID number flashes on the display press UP or DOWN key to select the receiver s home ID number or GROUP option If you select receiver s home ID number 1 16 you can only send a page to on...

Page 9: ...setting Press Call key to transmit the Call to other radio Mary receive the ID data which is address to her The radio displays the transmitter ID number on LCD The radio CTCSS setting is changed to Pr...

Page 10: ...er to 9P Group Call Press PTT to confirm the Call ID setting Press Call key to transmit the Call to other radio Mary receive the ID data which is address to all radio in this Channel and CTCSS code Th...

Page 11: ...o away from dust and dirt and wipe it with a damp cloth occasionally to keep it looking new Modifying or tampering with the radio s internal components can cause a malfunction and might invalidate its...

Page 12: ...radio frequency signals The device is authorized to operate at a duty factor not to exceed fifty percent In August 1996 the Federal Communications Commission adopted RF exposure guidelines with safety...

Page 13: ...line Battery Life about 16 hours alkaline batteries Operation Temperature 4 to 122 F 20 to 50 C Dimension HWD 102 x 57 x 35 mm Weight 100 gm Specifications are typical individual units might vary Spec...

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