Item number
|
Repeater MD-8500
|
General
|
Frequency Range
|
136-174MHZ/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(Two kinds of duplexer
available before purchasing,
Pls let us know which kind you need
|
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
|