
Datasheet
M900 Outdoor 
VoIP cordless DECT multicell base station
service.snom.com
Multicell System
Power over Ethernet
Security (TLS & SRTP)
Benefits
· Large temperature range
· UV, impact and water protected
· IP55 rated housing
· Consists of base station and housing
· Up to 1,000 base stations
· Up to 4,000 handsets
· DECT and LAN synchronisation
· No DECT manager required
· Compatible with existing handsets
· Over-the-air software updates for handsets
(1)
OTA Updates
Impact resistance
· Repeater support
· PoE support
· TLS encryption
· DSP module support
· Wallmountable
· Local, XML and LDAP phone book support
· Fully compatible with Snom M900 base stations
(2)
 

Technical Specications
service.snom.com
DECT
· Frequency bands: 
  · 1880-1900 MHz (EU)
· Output power: EU < 250 mW
· Protocols: DECT
· Seamless handover and roaming 
 Handover using DECT or LAN sychronisation (IEEE1588)
· Wideband audio
· Authentication/encryption of base and handset
Range 
· Indoors: Up to 50 meters
· Outdoors: Up to 300 meters
Multicell System
·  Up to 4,000 registered handsets in the same network 
in multicell setup* using LAN-synchronisation
·  Up to 1,000 registered base stations in a multicell 
setup* using LAN-synchronisation
·  Up to 100 repeaters in a multicell setup
(2)
·  Up to 8 narrowband or 4 wideband calls per base 
station in multicell setup
·  Up to 10 narrowband or 5 wideband calls per base 
station in single-cell set-up
·  Common phonebook with up to 3000 entries
·  List of registered handsets
·  Compatible with M700 running the same software 
version
Audio, Codecs
· G.722 (5 channels; 4 in multicell operation)
· G.711 A-law, μ-law,
· G.726 (10 channels; 8 in multicell operation)
· Codec negotiation, codec switching
·  A900 enables
  · G.729 (10 channels, 8 multicell operations)
  · BV32 (10 channels, 8 multicell operations)
  · Opus (8 channels)
User Interfaces
· LED status indication, multicolor
· Reset key
· Web interface 
Installation
· Positioning:
  · Wall mounting
  · Ceiling mounting
· Remote software updates via HTTP/ HTTPS/TFTP
· Automatic loading of settings via HTTP/ HTTPS/ 
TFTP
· Completely congurable through Web interface
· Static IP, DHCP support
· NTP (Network Time Protocol)
· Secure provisioning and authentication with  
Mutual TLS through individual certificate issued  
by Snom CA
· Compatible handset feature RSSI tool, no 
additional measurement equipment needed
Hardware Specifications
· Weight: approx. 1,100g
· Dimensions: approx. 144x140x35mm (base)
 approx. 300x175x80mm (housing)
·  Antenna diversity (two internal omni-directional 
antennas for better transmission and reception)
·  Power: Power over Ethernet (PoE) IEEE802.3af  
Class 2. If PoE is not available, the A5 PoE injector 
(3)
can be used (not included)
, 
· Ethernet connector: RJ 45
· LAN interface: 10/100 BASE-T IEEE 802.3
· Colour: Orange (base), Light grey (housing)
· Temperature range: -20°C to +60°C 
· Housing IP55 protection rated 
· UV protected 
· Impact strength IK08 
· UL746C 5V flammability tested 
· UL746C water exposure tested
Network
· HTTP and HTTPS
· LLDP
· IEEE 802.1Q
· TLS 1.2
· Part Number: 00004478 (EU)
 

Technical Specications
*  up to 16,000 registered handsets and 4,000 base 
  station with a future FW update
(1)
 Compatible handsets: 
  · Snom M25, Snom PN 00003987 (EU), 
         00003988 (US)
  · Snom M65, Snom PN 00003969
  · Snom M70, Snom PN 00004423
  · Snom M80, Snom PN 00004424
  · Snom M85, Snom PN 00004189
  · Snom M90, Snom PN 00004426
(2)
  Compatible DECT Repeater: 
  · Snom M5, Snom PN 00003839
Accessories:
(3)
  If PoE is not available, the Snom A5 PoE Injector 
(Phihong, model POE16R -1AFG, 56V) can be 
used to power and connect the M900. 
  Snom PN: 00004065
service.snom.com
 DSP codec module A900, Snom PN 00004445
Series Overview
M25 M65 M70 M80 M85 M90
On the internet 
https://www.snom.com/m900-outdoor/
Technical information 
https://service.snom.com/display/wiki/M900+-+Outdoor
Version 1.1.0. / en / 11 · 2020 
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