Product specifications

68 MDS TransNET Ref. Manual MDS 05-2708A01, Rev. E
Primary Power: 13.8 Vdc, Nominal (6–30 Vdc range)
Current Draw
(typical @ 27 dBm):
Transmit: 510 mA @ 13.8 Vdc
Receive: 100 mA @ 13.8 Vdc
Sleep Mode (typical): ≤ 3 mA @ 13.8 Vdc
Size: 5.30˝ W x 3.50˝ D x 1.40˝H
(135 W x 89 D x 36 H mm). Weight: 1
Lb/0.5 k w/o brackets;
1.15 Lb / 0.52 k w/brackets
Weight: 1 Lb / 0.5 k w/o brackets;
1.15 Lb / 0.52 k w/brackets
Case: Die-cast aluminum
Agency Approvals. • FCC Part 15 Pending
(E5MDS-EL805-24)
• IC: Approved
• Contact MDS for information on avail-
ability of governmental approvals in
other countries
DATA CHARACTERISTICS (DB-9 Data Port)
Data Interface: RS-232/422/485
Interface Connector: DB-9 female
Data Rate. 300, 600, 1200, 1800, 2400, 4800, 9600,
19200, 38400, 57600, 115200 bps asyn-
chronous
Data Latency: 7 ms typical
Byte Length: 10 or 11 bits
Maximum Data Transmission: Continuous up to 115200 bps
RF CHARACTERISTICS (TNC RF Connector)
TRANSMITTER:
Power Output
(at antenna connector): 0.1 to 0.5 watt (+20 dBm to +27 dBm),
set by user
Duty Cycle: Continuous
Modulation Type: Binary CPFSK
Output Impedance: 50 Ohms
Spurious: –49 dBm, 216 MHz–960 MHz
–41 dBm above 960 MHz
RECEIVER:
Type: Double-conversion superheterodyne
Sensitivity: –108 dBm @ 10
–6
BER
Intermodulation: 54 dB minimum (EIA)
Desensitization: 75 dB
Spurious: 70 dB minimum
Bandwidth: 200 kHz