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Antenna connector
Frequency bands
UMTS with HSPA+
EGPRS
GPRS
GSM (CSD dial-in)
SMS (TX)
Electrical data
Power supply
Digital input
SCALANCE M874, M876
Operating Instructions, 02/2023, C79000-G8976-C331-12
M874-3
Quantity
1
Design
SMA socket (straight)
Impedance
50 Ω nominal
Antenna cable
Cable length < 30 m
UMTS
800 MHz, 850 MHz, 900 MHz, 1800 MHz, 1900
MHz, 2100 MHz
GSM
850 MHz, 900 MHz, 1800 MHz, 1900 MHz
Transmission speed
•
•
Properties
Multislot class 12, end device class B
•
•
Transmission speed
•
•
Properties
Multislot class 12, end device class B, coding
scheme 1 ... 4
Transmission speed
•
•
Properties
Radio Link Protocol (RLP) V.110, non-transparent
Transmission speed
up to 14.4 kbps
Properties
Text mode, SMSoverIP
Quantity
1
Design
Terminal block, 5-pin
Properties
Input voltage:
•
•
Maximum power consumption 8 W
Maximum cable length < 3 m
Quantity
1
Design
Terminal block, 2-pin
Properties
Rated voltage 24 VDC Safety Extra Low Voltage
(SELV)
For state "1": 10 to 30 VDC
For state "0": -30 to 3 VDC
Maximum input current 8 mA
Cables should be routed in pairs
Maximum cable length < 30 m
Inputs isolated from electronics.
Technical specifications
8.2 SCALANCE M874-3
HSDPA (downlink): up to 14.4 Mbps
HSUPA (uplink): up to 5.76 Mbps
Coding scheme downlink: CS 1 ... 4, MCS 1 ... 9
Coding scheme uplink: CS 1 ... 4, MCS 1 ... 9
Downlink: up to 237 kbps:
Uplink: up to 237 kbps:
Downlink: up to 85.6 kbps.
Uplink: up to 85.6 kbps.
12 to 24 VDC
min. 10.8 VDC, max. 28.8 VDC
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