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Tortoise Multi-Band Stimulus Transmitter |
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Tortoise™ is a portable, rugged, high-power transmitter system composed of dual independent, transmitter modules giving the user freedom to transmit on any 2 unique frequency bands simultaneously without the need for expensive and bulky additional transmitters. Tortoise™ features two dynamically controlled Class A amplifiers for the cleanest signal output and VSWR protection. Tortoise™ features built-in thermal overheat protection circuitry with quad cooling fans to ensure against overheating during operation. Remote adjustments include power level, channel or frequency assignment and transmit On/Off via USB, RS-232 and Ethernet from anywhere. An optional WiMAX OFDMA MODULATOR allows Tortoise™ to simulate WiMAX base station transmissions complete with adjustable step sizes, channel bandwidth and user settable ID Cell, Segment and frame lengths.
 Download Tortoise data sheet
Download Tortoise White Paper
Download Tortoise manual in the Technical
Support section |
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- Choose your module combinations for Cellular, PCS, Paging, ETACS, iDEN, SMR, ISM, LMR, UMTS, GSM, WiMAX, Wi-Fi and more
- Optional WiMAX OFDMA modulator for base station simulation
- Two independent transmitter module bays
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Power
amplifier with continuous adjustable power output ± 0.1dB over
32 dB range
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Water
resistant, rugged 18" x 15" x 6" ABS plastic case
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Microprocessor-controlled
with front panel soft-keys or remotely controlled with an internal
modem for user programmable modulation schemes, power levels,
channels, and frequencies.
- 640
x 240 LCD (1/2 VGA)
- Calibration/Usage intergrated hours meter
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VSWR
antenna protection and internal forward and reverse measurement
- Quad
cooling fans with built-in thermal overheat protection for amplifier
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Battery
backed-up SRAM stores all user selectable parameters in the event
of a power loss
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Powered
from 110-240 VAC 50-60 Hz
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Weighs
under 20 pounds
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All
parameters can be adjusted remotely via RS-232 or the internal modem
or DTMF signaling tones
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| GENERAL SPECIFICATIONS: |
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Display |
640
X 240 LCD (1/2 VGA) |
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Stability |
Stability better than 1.5 PPM for first year, + for 1 PPM for
aging |
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Output Power |
Continuous adjustable power output +0.1 dB from 24 dBm to 46.5 dBm |
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Power Adjustments |
Continuously adjustable via rotary knob or direct keypad entry in
0.1 dBm increments |
| Remote Control |
Control via USB, Ethernet or Serial Port |
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Spurious Output |
> 55 dBc |
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Harmonics Output |
> 40 dBc |
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Antenna |
2 Type
N female outputs |
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Power |
100 - 240 VAC / 5A
or
12-13.2 VDC / 20 A |
| MECHANICAL: |
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Case
Size |
18"
x 15" x 6" |
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Weight |
18
lbs. |
| OPTIONAL MODULATION: |
WiMAX MODULATOR |
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Modulation Scheme |
OFDMA |
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Channel Bandwidths |
5 / 10 MHz |
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Frequency |
2.5 - 2.7 GHz and 3.4 - 3.7 GHz |
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Step Size |
10 / 25 kHz |
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Power Output |
10 Watt Class A Output |
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User Selectable |
ID Cell
Segment
Frame Length (2 - 20 mSec) |
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| 12V STANDARD |
| 690-810 MHz |
25 Watts |
| 800-960 MHz |
25 Watts |
| 1800-2200 MHz |
20 Watts |
| 2300-2700 MHz |
20 Watts |
| 3400-3700 MHz |
20 Watts |
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| 24V STANDARD |
| 690-800 MHz |
45 Watts |
| 800-960 MHz |
45 Watts |
| 1800-2000 MHz |
25 Watts |
| 2000-2200 MHz |
25 Watts |
| 2300-2500 MHz |
25 Watts |
| 2500-2700 MHz |
25 Watts |
| 3400-3700 MHz |
10 or 20 Watts |
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Selectable step sizes of 2.5 kHz, 5 kHz, 10 kHz, 15 kHz, 20 kHz, 25 kHz, 50 kHz, 200 kHz
***Custom
frequencies available upon request***
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Tortoise OFDMA WiMAX Modulator |
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Why won't my Tortoise turn on when I hook it up to a gas portable
generator?
Certain model generators output an impure noise spike in the AC output.
This anomaly has been traced to ignition noise riding on top of the
sine waveform. So while this output is fine for most devices requiring
AC power, the Tortoise will not turn on because it requires pure regulated
AC power. Several model Honda generators have been tested and approved
for this application, and also this problem can be easily remedied
by simply using an inexpensive AC surge suppressor found in any convenience
or hardware store.
Can Tortoise transmit from 2 modules at the same time?
Yes. In addtion, two modulated frequencies may also be transmitted simultaneously for independent data streams all from one transmitter housing.
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