![](/images/new-backgrounds/1210601/21060121x1.webp)
Transmitter
| Display UHF | Numeric Display UHF |
| XPR 4500 / XPR 4550 | XPR 4300 / XPR 4350* |
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Frequencies | ||
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Channel Spacing | 12.5 kHz / 25 kHz | 12.5 kHz / 25 kHz |
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Frequency Stability | +/- 1.5 ppm (XPR 4500) | +/- 1.5 ppm (XPR 4300) |
+/- 0.5 ppm (XPR 4550) | +/- 0.5 ppm (XPR 4350)* | |
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Power Output |
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Low Power | ||
High Power | ||
Modulation Limiting | +/- 2.5 kHz @ 12.5 kHz | +/- 2.5 kHz @ 12.5 kHz |
| +/- 5.0 kHz @ 25 kHz | +/- 5.0 kHz @ 25 kHz |
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FM Hum and Noise | ||
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Conducted / Radiated Emission | ||
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Adjacent Channel Power (TIA603C) | 60 dB @ 12.5 kHz | 60 dB @ 12.5 kHz |
| 70 dB @ 25 kHz | 70 dB @ 25 kHz |
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Audio Response | TIA603C | TIA603C |
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Audio Distortion | 3% | 3% |
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FM Modulation | 12.5 kHz: 11K0F3E | 12.5 kHz: 11K0F3E |
| 25 kHz: 16K0F3E | 25 kHz: 16K0F3E |
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4FSK Digital Modulation | 12.5 kHz Data Only: 7K60FXD | 12.5 kHz Data Only: 7K60FXD |
| 12.5 kHz Data & Voice: 7K60FXE | 12.5 kHz Data & Voice: 7K60FXE |
Digital Vocoder Type | AMBE++ | AMBE++ |
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Digital Protocol | ||
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GPS
Accuracy specs are for
TTFF (Time To First Fix) Cold Start | < 1 minute |
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TTFF (Time To First Fix) Hot Start | < 10 seconds |
Horizontal Accuracy | < 10 meters |
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Military Standards
| 810E |
| 810F |
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Applicable |
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Methods | Procedures | Methods | Procedures | ||
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Low Pressure | 500.3 | II | 500.4 | II | |
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High Temperature | 501.3 | I/A, II/A1 | 501.4 | I/Hot, II/Hot | |
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Low Temperature | 502.3 | I/C3, II/C1 | 502.4 | I/C3, II/C1 | |
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Temperature Shock | 503.3 | I/A, 1C3 | 503.4 | I | |
Solar Radiation | 505.3 | I | 505.4 | I | |
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Rain | 506.3 | I,II | 506.4 | I, III | |
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Humidity | 507.3 | II | 507.4 | - | |
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Salt Fog | 509.3 | I | 509.4 | I | |
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Dust | 510.3 | I | 510.4 | I | |
Vibration | 514.4 | I/10, II/3 | 514.5 | I/24 | |
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Shock | 516.4 | I, IV | 516.5 | I, IV | |
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Environmental Specifications
Operating Temperature | |
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Storage Temperature | |
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Thermal Shock | Per |
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Humidity | Per |
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ESD | |
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Water Intrusion | IEC 60529 - IP57 |
Packaging Test | |
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*Coming Soon
Specifications subject to change without notice. All specifications shown are typical. Radio meets applicable regulatory requirements. Version 4 03/07
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