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Radio Shack 21-1905 User Manual

Radio Shack 21-1905
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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.

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Radio Shack 21-1905 Specifications

Frequency and Channels IconFrequency and Channels
frequency range462.5000 – 467.7125 MHz
channels22
Power IconPower
RF output power (low)400-500 mW ERP
RF output power (high)1.8-2 W ERP
power supply6.0 V DC (4 x AA Alkaline)
Battery and Operating Environment IconBattery and Operating Environment
battery lifeabout 16 hours (alkaline batteries)
operating temperature-4 to 122 ºF (-20 to 50 ºC)
dimension (HWD)102 x 57 x 35 mm
Weight IconWeight
weight100 gm

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