| DJ-280T SPECIFICATIONS 222.000 ~ 224.995MHz Hand-Held Transceiver |
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GENERAL | |
| Frequency Coverage MHz | (RX) 220.000 ~ 224.995 MHz (TX) 222.000 ~ 224.995 MHz |
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| Channel Spacing | 5, 10, 12.5, 15, 20, 25KHz steps | |
| Memory Channels | 10 channels standard, expandable to 50 or 200 | |
| Antenna Impedance | BNC connector 50 Ohms Unbalance |
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| Frequency Stability | +/-10 ppm | |
| Microphone Input Impedance | 2K Ohms Nominal | |
| Signal Type | F3E (NFM) | |
| Power Supply Requirements | 6.0 ~ 13.8 VDC | |
| Operating Tempature | -10 to +60 Degrees Celsius 14 to 140 Degrees Fahrenheit | |
| Ground | Negative | |
| Dimensions | 5.2in X 2.2in X 1.3in | |
| Weight | Approx. 12.35 oz | |
| Sub Audible Tones | Encoder / Decoder Installed (38Tones) 67 ~ 250.3 Hz |
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| TRANSMITTER | ||
| Output Power | High: 4 watts (12VDC input) Low: 1 watt (7.2VDC input) |
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| Emission Mode | F3E (NFM) | |
| Modulation System | Variable Reactance FM | |
| Max. Freq. Deviation | +/- 5KHz | |
| Spurious Emission | -60dB Or Under Below Carrier Level | |
| Microphone | Electret Condenser | |
| Operating Mode | Simplex/Semi Duplex 5KHz Steps Minimum Between 0-15.995MHz | |
| CTCSS Encoder / Decoder | Built-In And Included As Standard | |
| RECEIVER | ||
| Receiver System | Super Heterodyne Dual Conversion | |
| Sensitivity | 12dB SINAD : Less Than -10dBu ( 220.000 ~ 224.995 MHz ) |
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| Squelch Sensitivity | Less Than -10dBu | |
| Intermediate Frequency | 1st IF: 30.850 MHz; 2nd IF: 455 KHz | |
| Selectivity | More Than +/- 7.5KHz at -6dB | |
| Audio Output | More Than 250mW @ 10% THD | |
| Speaker Impedance | 8 Ohms | |