User's Manual

34 MDS 1710A/C and MDS 2710A/C/D MDS 05-3447A01, Rev. F
Channel Spacing: 6.25 kHz steps (MDS 1710A/C/D and 2710A/C)
5.0 kHz steps (MDS 2710D)
6.25 kHz (MDS 1710A/C/D @ 130-174 MHz)
Transmitter Spurious
Radiated Emissions: –57 dBm, 30 MHz to 1 GHz
–47 dBm, 1 GHz to 12.5 GHz
Harmonics:
2nd harmonic: 57 dBc
3rd harmonic & higher: 57 dBc
Time-out Timer: 30 seconds (default). Selectable with TOT
command
Transmitter Keying: Data activated or RTS
RECEIVER
Frequency Range: 130-174 MHz (MDS 1710A/C/D)
216-220 MHz (MDS 2710 A/C)
220-240 MHz (MDS 2710A/C)
220-222 MHz (MDS 2710D)
See
Figure 4 on Page 5 for detailed listing
Type: Double conversion superheterodyne
Frequency Stability: ±1.5 ppm
Maximum Usable Sensitivity: –111 dBm for 1 x 10
-6
BER
Spurious
Response Rejection: 70 dB
Intermodulation
Response Rejection: 65 dB
Receiver Spurious
Conducted Emissions: –57 dBm, 9 kHz to 1 GHz
–47 dBm, 1 GHz to 12.5 GHz
Receiver Spurious
Radiated Emissions: –57 dBm, 30 MHz to 1 GHz
–47 dBm, 1 GHz to 12.5 GHz
Bandwidth: 5 kHz (MDS 2710D)
12.5 kHz (MDS 1710A, 2710A)
25 kHz (MDS 1710C, 2710C)
6.25 kHz (1710D)
PRIMARY POWER
Voltage: 13.8 Vdc Nominal (10.5 to 16 Vdc)
TX Supply Current: 2.5 amps max
RX Supply Current: Operational—150 mA (nominal)
Standby (sleep)—Less than 16 mA (nominal)
Fuse: 4 Amp Polyfuse, Self-Resetting, Internal
(Remove Primary Power to Reset)
Reverse Polarity Protection: Diode across primary input
ENVIRONMENTAL
Humidity: 95% at 40 degrees C
Temperature Range: –30 to 60 degrees C (full performance)
–40 to 70 degrees C (operational)
Weight: 1.6 kilograms
Case: Die-cast Aluminum