Specifications

MDS 05-3447A01, Rev. F MDS 1710A/C and MDS 2710A/C/D 33
7.0 TECHNICAL REFERENCE
7.1 Transceiver Specifications
TRANSMITTER SYSTEM SPECIFICATION
Operating Frequency: See Transmitter Specifications
Frequency Stability: ±1.5 ppm
Adjacent Channel Power: –65 dBc (MDS 1710A/2710A)
–60 dBc (MDS 1710C/2710C)
–55 dBc (MDS 2710D)
Carrier Power Accuracy: ±2 dB
RECEIVER SYSTEM SPECIFICATION
Operating Frequency: See Receiver Specifications
Maximum Usable Sensitivity: –111 dBm for 1 x 10
-6
BER
Co-Channel Rejection: –12 dB
DATA CHARACTERISTICS
Signaling Standard: EIA-232
Connector: DB-25 Female
Data Interface Rates: 110 bps to 38.4 kbps1200, 2400, 4800, 9600,
19200, 38400 bps—asynchronous
Data Latency: 10 ms maximum, including RTS/CTS delay
Byte Length: 10 or 11 bits
TRANSMITTER
Frequency Range: 130-174 MHz (MDS 1710A/C)
216-220 MHz (MDS 2710 A/C) FCC
220-240 MHz (MDS 2710A/C)
220-222 MHz (MDS 2710D) FCC
See Figure 4 on Page 4 for detailed listing
Modulation Type: Binary CPFSK
Carrier Power: 0.1 Watts to 5 Watts @13.8 Vdc
Duty Cycle: Continuous
Output Impedance: 50 ohms
Frequency Stability: MDS 1710 ±1.0 ppm
MDS 2710 ±1.5 ppm
Channel Spacing: 6.25 kHz steps (MDS 1710A/C and 2710A/C)
5.0 kHz steps (MDS 2710D)
6.25 kHz (MDS 1710A/C @ 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