PRODUCT SHEET
BS422 Multi-Tech Outdoor Base Station
BS422 Multi-Tech Outdoor
Base Station
Operation / Design: network management are supporting the easiness Key features
The BS422 is a multi-carrier, multi-technology of setting up a DAMM base station. Multi-Technology
outdoor base station. The new base station is
supplementing DAMMs current portfolio of TETRA Harsh environment / Installation: Multi-Frequency
base stations, by being much more than just a The BS422 base station is designed to be mounted Multi-Carrier
TETRA base station. It can operate up to four in the top of a mast close to the antennas.
Simulcast
logical carriers, each in any individual mode: This eliminates the traditional TX and RX signal
degradations due to feeder loss and reduces Cross technology
TETRA the cost considerably. It is also ideal as a mobile communication
TEDS base station mounted in a truck or on a vessel. Supporting known open
DMR Tier III It is designed for harsh climatic environmental gateways
Analog PMR conditions and is fully IP65 sealed.
High output power
For example allowing a one single basestation to Best in class RF handling Outstanding power efficiency
contain one TETRA, one DMR, one TEDS and one The BS422 is provided with full dual RX diversity, Powerful Hardware with SSD
Analog logical carrier or any other mix, enabling offering outstanding sensitivity, and has a built in drive option
seamless communication across technologies. duplex filter with an output power to the antenna
Best in class RF sensitivity
connector of max 25W. With the elimination of
It is possible to connect for example up to eight the normal feeder loss it has a radio performance Easy, Flexible, Scalable and
BS422 base stations at one site, each running superior to most other available solutions. can be integrated in existing
TETRA with full 25W output power, offering up to 31 Best in class power efficiency permits high power installations
simultaneous traffic channels and one main control RF output in a very compact dimension, and
channel. enables low operational costs.
The DAMM BS422 can also be integrated into any Wide frequency range from 68MHz to 800MHz
existing DAMM TetraFlex multi-site network. band, independent of operation mode, allows for
agile spectrum adaptation.
The IP connectivity allows beside multinode
connection, remote diagnostic, test and software The BS422 physical carrier will offer 300kHz
update. Windows Remote Desktop connection, file bandwidth for up to 4 logical carriers in Multi-Carrier
transfer, SNMP and the OM interface are remotely mode.
available. Intuitive and user friendly tools like
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PRODUCT SHEET
BS422 Multi-Tech Outdoor Base Station
Redundancy Connectivity: Power / Ethernet / Synchronization
Fully integrated controller eliminates the need for a separate hardware The BS422 can be powered via -48VDC or via Power over Ethernet
and enables very flexible installation options. It also gives the (PoE). Power supplies and network switches may be sourced via any
possibility for full hot stand-by redundancy on both controller and third party brands, or simply choose one of DAMMs connection box
carrier level without any single point of failure. options simplifying the installation and keeping it cost efficient.
Powerful hardware Each BS422 offers a WAN and a LAN connection. LAN connection
A powerful hardware platform makes it possible to run gateways and is used for communication between the nodes based on multi-cast
Voice & Data logging directly on the base station, without the need IP, whereas WAN connection is used to integrate applications and
of additional hardware. A distributed network topology and direct IP 3rd party systems like PABX systems. Synchronization between the
connection to the infrastructure via Ethernet, combined with easy and BS422 base stations is possible via multiple ways: GPS receiver,
intuitive network management tools makes deployment fast and easy. external one pulse per second I/O or IEEE1588 over LAN as being
An optional SSD drive can be installed for running applications like used in todays LTE networks.
Voice and Data Log System directly on the BS422.
Licenses
Repeater / Simulcast mode Each BS422 contains a dongle controlling the services of the box. By
The ability to operate the BS422 in simulcast (repeater) mode for this features like high power, additional operation modes or additional
TETRA or DMR, gives an integrated solution for applications where logical carriers can be easily updated remotely by executing a file
frequency scarcity is an issue. Hereby it still offers advantages like full obtainable from DAMM.
output power, full feature set operation when isolated from master
node and full network management, alarm handling and log system
integration compared to standard repeater systems in the market.
Specifications
Parameter
Frequency bands Value
RX=68-82MHz, TX=73-87.5MHZ, BW=2MHz VHF
RX=136-170MHz, TX=150-174MHz, BW=2MHz VHF
RX=156-165MHz, TX=165-174MHz, BW=4MHz VHF
RX=300-310MHz, TX=336-346MHz, BW=10MHz Russia
RX=350-360MHz, TX=360-370MHz, BW=5MHz China
RX=380-390MHz, TX=390-400MHz, BW=5MHz Public safety
RX=410-420MHz, TX=420-430MHz, BW=5MHz Civil
RX=450-460MHz, TX=460-470MHz, BW=5MHz 450MHz
RX=805-825MHz, TX=850-870MHz, BW=14MHz FCC, 800MHz band
(Other frequencies on request)
Basestation bandwidth options Value
Physical carrier bandwidth 300kHz
Max. no. of logical carriers per basestation1 4
Operation modes (carrier modes) Channel bandwidth
Analog 6.25, 12.5, 20, 25kHz
DMR Tier III 12.5kHz
DMR Tier III simulcast 12.5kHz
TETRA 25kHz (20kHz FCC)
TETRA simulcast (repeater-mode) 25kHz
TEDS 25, 50, 100, 150kHz
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PRODUCT SHEET
BS422 Multi-Tech Outdoor Base Station
Parameter
Common RX/TX Value
Synthesizer frequency step 6.25kHz
Frequency accuracy Locked to synch. source
Timing accuracy +/-14us ref. synch. source
Duplexer Built in
Transmitter Value
Output power TETRA/TEDS mode1 0.5W to 25W2
Output power DMR mode 0.5W to 50W2
Output power Analogue mode 1
0.5W to 50W2
Receiver Value
TETRA RX sensitivity with diversity. Static -121dBm
TETRA RX sensitivity without diversity. Static -118dBm
TETRA RX sensitivity with diversity. Dynamic TU50 at 4% BER -118dBm
TETRA RX sensitivity without diversity. Dynamic TU50 at 4% BER -112dBm
DMR RX sensitivity with diversity. Static -124dBm
DMR RX sensitivity without diversity. Static -121dBm
Diversity Dual as standard
Noise figure 3.5dB typ.
3 order IM input intercept point
rd
+13dBm typ.
RSSI dynamic range Noise floor to -43dBm
Diversity pre-gain using remote RX B antenna Up to 6dB
Operating system Value
CPU Intel Atom 4-Core 1.9GHz
Operating system Microsoft Windows 10 IOT
Storage 32GB / 265GB SSD (optional)
Ethernet LAN/WAN (voice over IP) 10/100Mbit/s
Synchronization source
GPS, GLONASS
1 PPS input
IEEE1588
Antenna configuration Value
Minimum antenna set-up, no diversity One combined TX/RX
Minimum antenna setup, dual diversity One TX/RX A, One RX B
GPS antenna Passive or Active (+5V DC)
Connectors Value
RX connectors RX A and RX B N Female
TX connector N Female
GPS antenna connector N Female
Combined Power, WAN/LAN and sync connector Sub D-25 male
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PRODUCT SHEET
BS422 Multi-Tech Outdoor Base Station
Parameter
Power supply Value
Power source -48VDC
Power-over-Ethernet TBD
Power consumption 75W at 1 x 10W TETRA typ.
xxW at 1 x 50W DMR typ.
Physical Value
Dimensions incl. mounting bracket (HxWxD) 333 x 246 x 165mm
Weight 9kg
Wind area 0.08m
Storage temperature range (Ambient air temperature) -40C to +85C
Operating temperature range (Ambient air temperature) -25C to +55C
Maximum enclosure temperature (PA protective shut down) +85C
Encapsulation IP65
1
= Depending on individual carrier bandwidth
2
= Output at antenna connector
Ordering:
To be specified
NOTE: Values in red are still to be confirmed!
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