Openscape SL5 Data sheet
Table Of Contents
Equipment overview
You can find more information on handsets on the product page at: 
http://wiki.unify.com/wiki/DECT_Mobilteile
Features OpenScape 
DECT Phone SL5
OpenScape 
DECT Phone S5
OpenStage M3
Ex approval for hazardous gas: 
II 2G Ex ib IIC T4 Gb
Ex approval for hazardous dust: 
II 2D Ex tb IIIC T120°C Db
— — M3 Ex / M3 Ex Plus
Alarm device for personal security — — M3 / M3 Ex: 
basic alarm features
M3 Plus / M3 Ex Plus: 
extended alarm features
Housing protection class — — IP65
Interference suppression in accor-
dance with EN 6100-6-2
——yes
Operating temperature +5 °C to +45 °C 
(+41 °F to +113 °F)
+5 °C to +45 °C 
(+41 °F to +113 °F)
-10 °C to +55 °C 
(-14 °F to +131 °F)
Illuminated display 240 x 320 pixel
65k colors
128 x 160 pixel
65k colors
128 x 160 pixel
65k colors
Display languages 27 27 26
Keypad illuminated including the 
navigation area
yes yes yes
Navigation key 5-way with centerclick 5-way with centerclick 5-way with centerclick
MWI key yes yes yes
Keys can be programmed individually yes yes yes
Ring tones and melodies
5 standard ring tones 
21 polyphonic melodies
5 standard ring tones 
21 polyphonic melodies
5 standard ring tones 
15 polyphonic melodies
Silent alarm (vibration) yes yes yes
Telephone book entries approx. 500 approx. 500 approx. 500
Headset ports
• Corded: 2.5 mm jack 2.5 mm jack 2.5 mm jack
(M3 / M3 Plus)
• Cordless: Bluetooth Bluetooth Bluetooth
PC interface
• Corded: Micro USB Micro USB Mini USB
• Cordless: Bluetooth Bluetooth Bluetooth
Handset lock with 4-digit PIN  yes yes yes
Power supply Lithium-ion battery 2 NiMH AAA batteries Lithium-ion battery
Handset dimensions (H x W x D) in 
mm 130 × 51 × 19 151 × 49 × 26 154 × 56 × 26
Weight (handset incl. battery) approx. 100 g approx. 125 g approx. 166 g








