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Midland CT22
Handheld paging transceiver
CODE : 3400
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The CT22 is a
compact VHF digital handheld transceiver using the latest capabilites in
microprocessor control. Transmitter power output is selectable in three
levels, with a new high efficiency final amplifier allowing up to five watts
output when used with only 9.6 volt battery pack.
The CT22 offers a wide range of batteries saving features, an
8-memory, 15 digit DTFM autodialer and a wealth selective calling/paging
features.
The slim-line case is designed to be very easy to carry and to fit
comfortably in hand.
The wide green lighting LCD display shows 6 frequency digits and most
programmadle functions, 72 freely tunable memories are programmable from the
keypad. Memory features include scanning, indipendent TX/RX frequencis.
In addition CT22 has a feature to extend battery charger life called
ABS (automatic battery saver) whitch monitors and optimizes the
saving time; selectable period APO (automatic power off) to turn off
the radio after a period of inactivity; and selectable always and
translucent keypad. The keypad serves as a DTMF ancoder during transmisssion,
and up to 8 DTMF memories can store 15 digits.
see also
"Biker special" : Accessories to use with an helm
HSpro22-S CODE : 2122
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Technical
specification |
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General |
|
Frequency range |
136 - 174 MHz |
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Modulation |
F2, F3 (FM) |
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Operating |
- 20°C to + 60°C |
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External DC
power |
5 V to 16 V
(13.8 V) |
|
Battery power
voltage |
4 V to 15 V (6
V) |
|
Current
consumption: |
|
|
Receiving with no
signal |
app. 45 mA |
|
Battery saver on
|
app. 15 mA |
|
Transmission
with 13.8V |
app. 1.3 A |
|
Transmission
with 6V |
app. 250 mA |
|
Earth |
negative ground |
|
Dimensons |
65 x 130.5 x
29.8 mm |
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Weight |
app. 290 gr |
|
Microphone
impedance |
2K - Ohm |
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Antanna
impendance |
50 Ohm |
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Receiver |
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1° IF |
45.05 MHz |
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2° IF |
455 KHz |
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Sensitivity (12
dB SINAD) |
- 16 dB 0.16 µV
or less |
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Squelch
sensitivity |
-
20 dB µV (0.1 µV) or less |
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Selectivity (- 6
dB) |
12 KHz or more |
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Selectivity (-
40 dB) |
28 KHz or less |
|
Audio output
(10% distortion) |
200 mV or higher
(8 Ohm) |
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Transmitter |
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Output power HI |
5 W / 13,8 V |
|
|
3 W / 6 V |
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Output power LOW |
0.5 W / 6 V |
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Modulation |
changing
reactance |
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Max deviation |
+/- 3.5 KHz to
+/- 5KHz |
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Spurious
emissions |
- 60 dB or less |
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