User's Manual

MDS 05-6399A01, Rev. D MDS Master Station 73
appropriate cabling. If replacing a module, use the cables provided with the original system. For more
information refer to the appropriate section below for the specific Radio Module
6.4.3 SDM9 Radio Module – 900MHz
The SDM9 is an SD Master Radio Module with several variants to accommodate different frequency
bands. Current offering is the SDM9C which supports 928-960MHz. Refer to the table below for
detailed information about this transceiver.
Table 6-12 6846 SDM9 Radio Module Specifications
Frequency Band
820-870MHz (Pending)
880-915MHz (Pending)
928-960MHz (SDM9C)
Duplex Modes Full
Half Duplex, Switched Carrier
Half Duplex, Single Carrier (Simplex)
Half Duplex modes may operate using software
enabled integrated T/R switch for installations that
do not require a duplexer.
Transmit Power +40dBm, Maximum. Software programmable
from _+30 to +40dBm in 1dB steps.
Receive Noise Figure <6dB
Adjacent Channel Rejection 60dB typical (EN300-113)
Power Consumption 60W, Max, at full duplex with continuous transmit,
+40dBm
Antenna Connector Dual FAKRA-SMB
6.4.4 SDM4 Radio Module - 400 MHz
(Part No. 03-68xx—SDM4, Future Availability)
The SDM4 is an SD Radio Module with variants that span 300-512MHz.
Table 6-13 SDM4 Radio Module Specifications
Frequency Band 300-350MHz (Pending)
350-400MHz (Pending)
400-450MHz (SDM4B)
450-512MHz (SDM4C)
Duplex Modes Full
Half Duplex, Switched Carrier
Half Duplex, Single Carrier (Simplex)
Half Duplex modes may operate using software
enabled integrated T/R switch for installations that
do not require a duplexer.
Transmit Power +41.1dBm, Maximum. Software programmable
from _+30 to +41dBm in 1dB steps.
Receive Noise Figure <6dB with AGC at maximum gain
Adjacent Channel Rejection 60dB, minimum (EN300-113)
Power Consumption 60W, Max, at full duplex with continuous transmit,
+40dBm
Antenna Connector Dual FAKRA-SMB