All-mode versatility enters a new era with our innovative TM-255A/E (2 m)
and TM-455A/E (70 cm), both featuring a detachable front panel for easy
mounting in a car. But whether mobile or stationary, these compact transceivers
offer matchless performance -- in FM, SSB and CW modes. Among their many
impressive features are 101 memory channels, DDS with "fuzzy logic"
control, twin tuning dials, and a data connector for 1200/9600 bps packet
communications.
Features at a glance:
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2 m (TM-255A/E) or 70 cm (TM-455A/E) all-mode operation |
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101 memory channels |
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DDS with "fuzzy logic" control |
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TF-SET (TX frequency set) function |
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DTSS selective calling with pager function |
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1200/9600 bps packet terminal |
TM-255/455(A/E) in detail:
40-watt output
Maximum RF output is 40 watts (TM-255A/E), and 35 watts (TM-455A/E). A HI/LO
switch enables power reduction to 5 watts.
100 multi-function memory channels plus 1 call channel
Facilitating on-the-move operation are 101 memory channels, plus memory
shift and memory scroll functions. Channels 50~98 are capable of storing
transmit and receive frequencies independently.
Multi-scan functions
There is a choice of full band and programme band scans, memory scan with
memory channel lock-out, MHz scan and V/M/C scan. The operator can also
select time-operated or carrier-operated scan stop modes, and adjust scan
speed.
Data connector for 1200/9600 bps packet
A 6-pin mini DIN connector lets the operator enjoy either standard 1200
bps or 9600 bps high-speed packet communications with a TNC.
DDS (Direct Digital Synthesizer) with fuzzy control
We've incorporated "fuzzy logic" control circuitry, so the main
encoder tunes smoothly from fine (5 Hz step) to fast forward (200 Hz step).
Twin tuning dials
In addition to the smooth-action dial on the main unit, there is a click-type
dial on the detachable panel for convenient mobile use.
Dual-menu system
The user-friendly menus -- which are also accessible via the supplied microphone
-- are divided into two groups (A & B) depending on frequency of use.
Interference reduction
AIP (Advanced Intercept Point) circuitry allows the operator to choose either
high sensitivity or a high intercept point to suit conditions. IF-SHIFT
(SSB, CW) and a pulse noise blanker further improve RX performance.
TF-SET
TF-SET is available when the receive frequency is locked, so the operator
can avoid losing a targeted station.
Multi-function microphone
The supplied remote-control microphone has 4 programmable function keys
-- ideal for mobile operation.
Other Features:
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Built-in DTSS selective calling with pager |
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Semi break-in circuit (CW) |
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Automatic mic gain control circuit (SSB) |
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Built-in TCXO (temperature-compensated crystal oscillator) |
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Tone alert system with elapsed time indicator |
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S-meter squelch |
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All-mode squelch |
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Built-in CTCSS encoder & optional decoder (TSU-8) |
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Auto power-off & time-out timer |
Dimensions (W x H x D)
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180 x 60 x 215.5 mm (7.0 x 2.4 x 8.5 in. |
Please note that not all features and options may be available for the model sold in your region.
Operation of DTSS, Pager, DTMF, and CTCSS is subject to local regulations. |