Helmholz 700-875-LTE11, 700-875-LTE61 REX 100 Router User Guide

13.3 REX 100 LTE Europe/Asia  

Order no.  

700-875-LTE01/700-875-LTE51  

REX 100 LTE  

Article designation  

Dimensions (D x W x H)  

Weight  

32,5 x 58,5 x 76,5 mm  

Approx. 130 g  

Number of inputs | type  

Number of outputs | type  

GSM modem  

2 | DC 24 V, as per DIN EN 61131-2 Type 2  

2 | DIN EN 61131-2 Type 3  

Multiband 2G/3G/4G Data Interface  

SMA socket (exterior thread)  

Mini SIM(2FF), 1,8 V/3 V  

B3, B8  

Antenna terminal  

SIM-Card type  

GSM frequency bands  

UMTS frequency bands  

LTE frequency bands (MHz)  

B1, B3, B8  

B1, B3, B7, B8, B20 [from HW 5-3A], B28A [from HW 5-3C]  

Class 1 (1W) DCS 1800, Class 4 (2W) GSM 900,  

Class 3 (0,25W, 23dBm) 3G, Class 3 (0,2W, 23 dBm) LTE  

Output power  

Data transmission rate  

Network-interfaces  

Type  

LTE Cat.4 - Uplink max. 50 Mbps | Downlink max. 150 Mbps  

4x LAN (700-875-LTE01); 3x LAN/1x WAN (700-875-LTE51)  

10-Base-T/100-Base-T  

RJ45 socket  

Connection  

Transmission rate  

USB-interface  

10/100 Mbit/s  

1x  

Protocol  

USB 2.0 Host  

Connection  

USB-A-socket  

Status indicator  

Voltage supply  

Current draw  

4 LEDs, functional status, 8 LEDs, Ethernet-status  

DC 24 V, 18 ... 30 V DC  

max. 200 mA with DC 24 V  

max. 4,8 W  

Power dissipation  

Environment requirements  

Ambient temperature  

Transport and storage temperature  

Relative humidity  

Pollution degree  

Protection rating  

VPN  

-40 °C ... +75°C  

-40 °C … +85 °C  

95 % r. H. without condensation  

2

IP20  

Protocol  

OpenVPN, 1 tunnel  

Control Channel: TLSv1.2, cipher ECDHE-RSA-AES256-GCM-SHA384  

Data Channel: Cipher 'AES-256-GCM' initialized with 256 bit key  

Encryption method  

Authentication  

UL Certification (only700-875-LTE01)  

Voltage supply  

Pre-Shared-Key, X.509  

UL 61010-1/UL 61010-2-201  

DC 24 V (18 ... 30 V DC, SELV and limited energy circuit)  

Pollution degree  

2

Altitude  

Up to 2,000 m  

87°C  

Temperature cable rating  

QuickStart Guide REX 100 | Version 14 | 22.01.2025  

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