| Item Number | MD-680 |
| General | |
| Frequency Range | 400-470MHz |
| More frequency available | 450-520/136-174/220-260/245-245.9875MHZ |
| More frequency available | 256 |
| Working voltage | 7.2v |
| Working temperature | -30℃~+60℃ |
| Storage temperature | -40℃~+85℃ |
| Continuous working time | Analog:15hours ; Digital:25hours |
| Battery capacity | 2200Mah |
| Transmitter | |
| Frequency Range | 400-470MHz |
| Channel spacing | 12.5KHZ |
| Frequency stability | +/-1.5ppm |
| TX power | Low:1W High:10W |
| FM noise | -40dB @ 12.5KHZ |
| Spurious emission | <60dB m @1GHZ,> -30dB m @1G |
| Adjacent channel selectivity | -60dB @ 12.5KHZ |
| FM modulation mode | 12.5KHZ:11 F 0 F 3 E |
| 4FSK digital modulation mode | 12.5KHZ(data only):7K60FX ; 12.5KHZ(data+voice):7K60FX |
| Modulation limit | 2.5KHZ@12.5KHZ |
| Audio response | +1dB~-3dB |
| Rated audio distortion | ≤3% |
| Digital protocol | ETSITS102361-1,-2,-3 |
| Vocoder type | AMBE+2TM |
| Receiver | |
| Frequency Range | 400-470MHz |
| Channel spacing | 12.5KHZ |
| Frequency stability | +/-1.0ppm |
| Analog sensibility | 0.35uV/-116dBm(20dB SINAD) ; 0.22 uV/-120dBm(Typical) |
| Digital sensibility | 0.3 uV/-117.4dBm(BER 5%) ; 0.7 uV/-110dBm(BER 1%) |
| Spurious response | TIA603C: 65dB ; ETSI: 65dB |
| Adjacent channel selectivity | TIA603C: 60dB @ 12.5KHZ ; ETSI: 60dB @ 12.5KHZ |
| Spurious response suppression | TIA603C: 70dB ETSI: 70dB |
| Receiving spurious emissions | <-57dBm@1GHZ,> -47dBm@ |
| Blocking | 84dB |
| Rated audio power | 1w |
| Audio response | +1dB~-3dB |
| Rated audio distortion | ≤3% |
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Tel：0086-595-27770858
E-mail：overseas@tyt888.com
Add: Block 39-1, Optoelectronics-information industry
base, Nan'an, Quanzhou, Fujian
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