| Item number |
Repeater MD-8500 |
| General |
| Frequency Range |
136-174MHZ or 400-480MHz |
| Channel capacity |
100 |
| Frequency stability |
2.5ppm |
| Working temperature |
-30℃-+60℃ |
| Working voltage |
220V/110V AC ±15%/13.8V DC ±15% |
| Dimention |
133*483*330mm |
| Weight |
16kg |
| Transmitter |
| RF Power Output |
25W/ 50W |
| Antenna impedance |
50 Ω |
| Radiated Spurious emission |
-36dBm<1GHz-30dBm<1GHz |
| FM noise |
40dB @ 12.5KHZ / 45dB @ 25 KHZ |
| Modulation distortion |
<5% |
| Digital protocol |
ETSI- TS102 361-1,-2,-3 |
| Frequency modulatio |
16kφ3E(analog） 4FSK(Digital) |
| Modulation limiting |
±2.5KHZ@ 12.5KHZ: ±5KHZ@25 KHZ: |
| Receiver |
| Reference sensitivity(analog) |
0.25uV@12dB SINAD |
| Adjacent channel selectivity ETSI |
60dB @ 12.5KHZ / 70dB @ 25 KHZ |
| Reference sensitivity(digital) |
0.22 uV/-120dBm / 0.35 uV/ 120dBm |
| Spurious response rejection |
≥70dB |
| Rated audio output |
+1~-3dB |
| Rated audio distortion |
<5% |
| FM noise |
≥-45dB @ 25 KHZ / ≥ 40 KHZ @ 12.5 KHZ |
