Paging and telecommunications products & systems

Hardware and software for state–of–the–art paging and professional mobile radio

Pagers / Devices ┇ Accessories
Base stations and systems
Modules, software, system parts

Pagers and paging terminal devices

Ultra–portable professional mobile devices for instant notifications, alarms and messaging, both one–way and multi–path:

POCSAG+ pagers with superior sensitivity and SDR performance through accurate and instantaneous tuning, with fast scanning of up to four POCSAG channels, with LTE/WiFi/GNSS options.

LTE pagers for professional two–way communication and messaging on any cellular network, including mission–critical and private networks.

WiFi pagers for instant two–way alarm/notification in facilities, hospitals, manufacturing, offices, ships/submarines, events and missions.

Pager comparison ⤓ ┇ LX7 Family ⤓ ┇ Cleaning Guide ⤓

LX7 POCSAG+

Instant, precise, multipath¹

POCSAG UHF/VHF.
Customizable alarm sounds.
RGB–backlight, rotating display data.
UI and language are customisable.
Magnetic power and data connector.
Li–Ion battery, replaceable.
IP67.

More…

Options:

LTE Cat M1/Cat NB2/EGPRS.
WiFi WPA2.
GPS/GNSS.
Man–down / 3D–axes accelerometer sensor.
Dedicated Alarm button.

Also: Module / Modem / Terminal

¹With options.

2025

LX7 LTE

Worldwide Cellular, multipath

LTE Cat M1/Cat NB2/EGPRS.
Customizable alarm sounds.
RGB–backlight, rotating display data.
UI and language are customisable.
Magnetic power and data connector.
Li–Ion battery, replaceable.
IP67.

More…

Options:

WiFi, POCSAG.
GPS/GNSS.
Man–down / 3D–axes accelerometer sensor.
Dedicated Alarm button.

LX7 WiFi

IP–wireless, multipath

WiFi 2.4/5 WPA2.
Customizable alarm sounds.
RGB–backlight, rotating display data.
UI and language are customisable.
Magnetic power and data connector.
Li–Ion battery, replaceable.
IP67.

More…

Options:

LTE Cat M1/Cat NB2/EGPRS, POCSAG.
GPS/GNSS.
Man–down / 3D–axes accelerometer sensor.
Dedicated Alarm button.

POCSAG Monitor

A must–have for the paging engineer

A portable high–grade device for receiving raw or decoded POCSAG RF–telegrams w/RSSI field strength indication and more.

Monitor and log paging radio network activity and performance, without being tied to a fixed location.

More…

Receive POCSAG, decode and store data for operational or further analysis.
All received data is recorded by the device in a log file with the time stamp, RSSI/GNSS.
Listening to the selected radio channel via the built–in loudspeaker.
Functions as a full–featured POCSAG pager.
Rugged and IP67 water resistant.

Paging Modules

Embedded radio–electronic modules

Professional paging, messaging, remote control and signalling over POCSAG, LTE, WiFi.

More…

POCSAG.
GSM / LTE.
WiFi.
GNSS.
Man–down.

2025

Paging Modem

Industrial paging

Professional paging, messaging, remote control and signalling over POCSAG, LTE, WiFi.

More…

2x relay outs , 4 opto—inputs.
Received messages are decoded and sent to the RS–232.
SMA–F antenna connectors.
USB powered.
Options: POCSAG encryption, LTE, WiFi, GPS.

2025

Paging Terminal

Industrial paging

Professional paging, messaging, remote control and signalling over POCSAG, LTE, WiFi.

More…

RGB-backlit display, control buttons.
2x relay outs , 4 opto—inputs.
Received messages are decoded and sent to the RS–232.
SMA–F antenna connectors.
USB powered.
Options: POCSAG encryption, LTE, WiFi, GPS.

2025

PFS141 POCSAG

Stationary industrial

POCSAG UHF/VHF.
External antenna connector.
8 relay outputs.
RS–232.
DIN rail mounting.

Also: LX7 Modem / Terminal

Data–sheets

Accessories for pagers

All kinds of pager accessories for comfortable carrying, specialized use, and solving any paging application for individuals, compact mobile groups, or large user fleets.

Carrying a pager

Secure fastened, accessible, audible

Everything to have the pager well fastened, easily accessible, and to have a signal always loud and clear.
Holsters, leather and nylon weatherproof cases with magnetic closure, simple belt loop or KlickFast system.

Data–sheets

Chargers & cradles

Ready and in touch

Lightweight travel chargers.
Desktop charging cradles.
Charging cradles with external antenna connector and I/O relay contacts.

Data–sheets

Multi–chargers

Professional storage & charging

USB–C or 12–30VDC
Power fault alarm relay*
Options: 110–240VAC, wall–mount kit.

*Not for USB–version

Data–sheets

Base stations, infrastructure elements, gateways, systems

All the components to build any type of paging/LMR system or to complement existing ones as part of an add–on, update, or as replacement, with full support and a service guarantee.

Base stations, repeaters, receivers and paging gateways that are fully interoperable, interchangeable and controlled via IP.
For ultra–synchronised critical paging networks the precise GPS synchronisation of transceivers is optionally possible, allowing simultaneous transmission over large areas with overlapping radio coverage.
In the absence of IP–interconnections, the Oelmann paging network remains connected over the air via its POCSAG radio links.
Paging base stations comparison ⤓

TRX348

Paging transceiver

POCSAG UHF/VHF.
Transmitter, repeater, reference receiver.
Built–in POCSAG encoder/decoder.
2 opto–inputs and 2 output relays.
RS485/232/ESPA, I/O, IP.
11–14VDC.

Data–sheets

2025

TRX348 Pro

Paging base station

POCSAG UHF/VHF.
Transmitter, repeater, reference receiver.
Built–in POCSAG encoder/decoder.
Integrated VSWR Sensor.
Built–in battery for emergency power supply.
Setup via the inbuilt web page.
Compact, IP–66/DNV wall–mountable sturdy metal housing.
110–240VAC

Data–sheets

PRS345 Series

Paging base station

Full–size paging transceiver/repeater, with inputs and output relays.

POCSAG UHF/VHF.
Transmitter, repeater, reference receiver.
Built–in POCSAG encoder/decoder.
RS485/232/ESPA, I/O, IP.
VoIP, SNMP, NTP.
Integrated VSWR meter.
Alarm output relays.
Opto inputs.

Data–sheets

NEN 2575

NEN Kit

Compact paging system

POCSAG UHF.
IP–web configuration / online monitoring.
4x RS232/ESPA, 8x Alarm I/O, IP.
100–240VAC / 12–24VDC.
3xLX7 pagers w/multi–charger.
Fire alarm external button.
Backup battery pack.
NEN 2575 compatible.

Data–sheets

NEN Kit 3.0 Datasheet

IS340 / PRS341

POCSAG–Funkruf–Basisstationen

Master– oder Remote–Paging–Basisstationen, oder Store–Forward–Repeater.
Automatische TX/RX–Redundanz (IS340).
DAG IP–gesteuert.
BDBOS zugelassen.

Data–sheets

Digital Gateway

Voice, data, paging router

Modular gateways to third–party systems TETRA, WiFi, LTE to extend the POCSAG with the multipath messaging and alarm actions.

Converts TETRA, POCSAG, IP, audio I/O, Serial/ESPA, relay outs, opto–inputs.

More…

TETRA PIE, A–CAPI.
POCSAG XML-IP.
ESPA 4.4.4.
PABX VoIP SIP, E&M.
3HU 19" rack mounted.
AC or DC.

ODG830 Datasheet

To be updated

SIRIUS Paging

Paging and multipath messaging system

SIRIUS software is based on client–server technology, works under any operating system as well as in the cloud, can be easily modified according to customer requirements, and is scalable from local to regional and national paging systems.

More…

POCSAG, LTE, TETRA, WiFi.
IP and on–air connected base stations.
Smart repeaters and gateways.
Oelmann Paging Server software.

PMR Systems and equipment

Professional mobile radio

Digital and analogue DMR, TETRA, MPT professional mobile radio systems and components, tailored to customer requirements.

Mixed protocol options, a variety of design types including mobile base stations.

Call us ↗

Modules, modems, system parts, tools, software

Now with LTE

GSM/LTE Modem

Industrial SMS

SMS reception on any standard cellular network. Instantly transmit the received message to the pre–programmed IP–address.
Receive message text and subscriber number from IP–network and send SMS to specified number.
RS–232 option available.
Full compliance with Oelmann IP–XML system.

Data–sheets

POCSAG Site Survey Kit

Surveying POCSAG coverage

Complete and simple, portable and convenient solution for POCSAG paging site surveys.
VHF or UHF.
IP54 case.
Additional space for accessories, programming kits, and cables.

Data–sheets and info

PS622 Paging Tester

Portable tri–band POCSAG test transmitter

68-87.5, 146-174, 430-470 MHz in one unit.
Analogue and digital, including FMS signals.
Conveniently operated directly from the control panel, or with the included PC software.
BOSKRYPT encrypted message receivers can also be tested.

Data–sheets and info

DSE342 Siren Controller

Wireless digital siren control

POCSAG, TETRA, LTE, 5–TONE.
2 power relay outs for siren control.
4 opto ins / 6 switching outs for custom apps.
4 test inputs for manual triggering.

More…

Emergency power supply with battery monitoring.
Intruder alarm via door contact.
Fault message feedback alarm via TETRA, LTE.
Monitoring and remote configuration via LTE.
Support for the POCSAG encryption.
Conversion from 5–tone sequence to POCSAG using an innovative receiver plug–in module.

BDBOS

Geräte und Lösungen für das digitale BOS Funknetz

POCSAG DAG/DAU.
Sirenensteuer–Empfänger.
Die BOS Meldeempfänger.
Duplexer für die BOS–Basisstationen.
Bidirektionale TETRA–Verstärker, die an einem Antennenmast montiert sind.
Aktive Funk–HF–Überwachung des Antennenzustands.

Call us ↗

Digital Power Monitor

Remote continuous monitoring of power, antenna VSWR and device temperature

200 MHz, VHF, UHF, 7/800/900 MHz.
1...250 W.
Integrated web server, SNMP.
Configured via Ethernet.
Compact form factor.

Data–sheets

DPM Datasheet

To be updated

Software

Parametrization, monitoring and operational control

Software for setting up the parameters of devices, for operational management and monitoring of equipment and systems.

PSW LX to set pager parameters.
PSW–IP for remote setting of pager parameters.
PRS/TRX/DSE342 programming.
PRS/TRX POCSAG-IP–Listener.
SIRIUS XML Paging Server.

Data–sheets

We develop, manufacture, and supply a wider range of products and solutions than can be listed here. Feel free to call us about your device, system or solution demands.

About the production

Development and production

All Oelmann developments are performed at our home location in Springe, Hannover area, Germany.
Manufacturing is Sub–divided into external and internal processes using qualified suppliers with close cooperation with selected partners.

All the Oelmann products are:

Based on our own, or on joint development and solutions from the best and proven companies in the industry.
Designed, assembled and factory tested on the basis of our experience and the latest trends.
Conforms to industry standards quality management in the development, manufacture and factory maintenance.
Proven and used by governmental, corporate and public services, transport and utilities, safety and healthcare, by industrial and oil–and–gas customers.

EU Regulatory compliance / CE marking

Oelmann Elektronik GmbH ensures that all products comply with the EU regulatory requirements.
All shipments from Oelmann's EU manufacturing and material supply chain comply with the Restriction of Hazardous Substances (RoHS) Directive.
Regulatory compliance is complex and subject to change. Please contact us for product(s) compliance information.

Legacy products

Oelmann legacy products are items that are no longer in mass production, but are supported for as long as users have them, and/or are the basis for future releases and updates to the current product line.

LX4 POCSAG

Classic masterpiece

POCSAG UHF/VHF.
AA dry battery or accu.
RGB–color backlight.
UI and language are customisable.
IP52 (IP54 in dedicated case).
ATEX T4 / T6**

*Consider the newer LX7
**By request

Data–sheets and guides

LX2 POCSAG

Best portability

POCSAG UHF/VHF.
AAA dry battery or accu.
White backlight.
UI and language are customisable.
IP52 (IP54 in dedicated case).

*Consider the newer LX7

Data–sheets

LX8 POCSAG

Modular and versatile

POCSAG, LTE, WiFi.
GPS, Man–down.
Dedicated alarm button.
RGB color backlight.
UI and language are customisable.
Li–Ion accu, standard or hi–capacity.
IP54.

*Consider the newer LX7

Data–sheets and guides

GD263 POCSAG

Large information display

POCSAG, 5–Tonfolge, FMS (TR–BOS).
20 chars 70mm height, 128x8px per line.
1380x100x33mm one line device.
Longer text can scroll or tick.
IP40 aluminum die–cast housing.

More…

Options:

LTE, WiFi.
Output relay contact.
Compact siren for alarms.
Up to 4 text lines.

GD263 Datasheet

TME260 TETRA

Two–way professional

TETRA 380–430 MHz.
GPS, Man–down, Inductive beacon*
Alarm button*
RGB color backlight.
UI and language are customisable.
Li–Ion accu.
IP54.
TEA1, TEA2*
ATEX II 2G Ex ib IIC T4 Gb*

*By request

Data–sheets

SME900

Rugged, professional full featured Android portable with POCSAG and inductive beacon receiver/decoder on board.

SME900 Data sheet

SME920

Full featured Android rugged portable with POCSAG and inductive beacon receiver/decoder on board.

SME920 Data sheet

SME950

Full featured Android rugged portable with POCSAG and inductive beacon receiver/decoder on board.

SME950 Data sheet

SME Messenger

The genuine Oelmann app for professional alert on POCSAG message. For the smartphones of Oelmann SME Series.

TME264 TETRA Module

Two–way professional

The genuine Oelmann embedded module for TETRA applications.

TETRA 450–470 MHz.
The data I/O through a serial port.

TME264 Module Datasheet

SM660 POCSAG Module

The genuine Oelmann embedded module for professional reception of POCSAG alarms and messages. For Oelmann SME series smartphones and not only.

SM660 Module Datasheet

RFID Modules

Built-in Oelmann module for accurate reception of RFID codes.

WiFi WME266

Wireless IP

WIFI 2.4/5 GHz.
IP–, UDP–messaging.
GPS, Man–down, Inductive beacon.
Alarm button.
RGB color backlight.
UI and language are customisable.
Li–Ion accu.
IP54.

Replaced by LX7WiFi

TME264 TETRA

Special two–way professional

TETRA 450–470 MHz.
RGB color backlight.
UI and language are customisable.
Li–Ion accu.
IP54.

TME264 Datasheet

IB630 location beacon

Fast and precise indoor positioning

Industrial grade universal inductive beacon for the personnel security applications.

Standalone: no connection to the external devices required. Chainable.
No interaction delay with the mobile receiver.
Independent from third–party radio emissions.
Flexible power supply scheme.
Different antennas type.

IB630 Datasheet

TB–400T

TETRA IP–base station

TETRA 380–430 or 450–470 MHz.
Types of design:
– Self–contained standalone system.
– Remote base station.
– Sub–module add–ons for the existing system.
LTE connected.