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EM 300-500 G4
RF characteristics
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Modulation
Wideband FM
Receiving frequency ranges
Aw+: 470 – 558 MHz
AS: 520 – 558 MHz
Gw1: 558 – 608 MHz
Gw: 558 – 626 MHz
GBw: 606 – 678 MHz
Bw: 526 – 698 MHz
Cw: 718 – 790 MHz
Dw: 790 – 865 MHz
JB: 806 – 810 MHz
K+: 925 – 937.5 MHz
Receiving frequencies
Max 2880 receiving frequencies,
adjustable in 25 kHz steps
20 frequency banks, each with up
to 32 factory-preset channels,
no intermodulation
6 frequency banks with up to 32
programmable channels
Switching bandwidth
up to 88 MHz
Nominal/peak deviation
±24 kHz / ±48 kHz
Receiver principle
True diversity
Sensitivity
(with HDX, peak deviation)
< 2.5 μV for 52 dBA
eff S/N
Adjacent channel selection
Typically ≥ 75 dB
Intermodulation attenuation
Typically ≥ 70 dB
Blocking
≥ 75 dB
Squelch
5 to 25 dBμV, can be set in 2 dB
steps
Pilot tone squelch
Can be switched off
Antenna inputs
2 BNC sockets
Summary of Contents for SKM 300 G4
Page 62: ...187 Block diagram ...