
263LTE-FN CELLULAR
COMMUNICATOR
Installation Guide
1
Figure 1: 263LTE-FN
DESCRIPTION
The 263LTE-FN Cellular
Communicator provides
a fully-supervised alarm
communication path over a
reserved AT&T network. The
module installs on the panel
inside the enclosure and is
powered by the panel so no
additional enclosure, power
supply, or battery back-up is
needed.
The 263LTE-FN is
FirstNet Ready™.
INSTALL THE 263LTE-FN
Caution: Touch grounded metal to discharge static
before handling the panel.
XR150/XR550 Series Panels
1. Open the panel enclosure, set the reset jumper,
and remove power from the panel.
2. Insert the included stando into the
XR150/XR550 Series panel stando hole.
3. Secure the 263LTE-FN on the 12-pin cell
module connector. See Figure 3.
4. Align the 263LTE-FN stando hole with the
stando already placed in the panel and snap
it into place.
Back of the
263LTE-FN
Stando and
Stando Hole
Compatibility
• XR150/XR550 Series
panels with Version 202 or
higher
What is Included
• 263LTE-FN Cellular
Communicator
• 383 antenna
• PCB stando
• Hardware pack
Figure 3: 263LTE on an XR150/XR550 Panel
CONNECT THE ANTENNA
Be sure to only use the included 383 antenna when
installing the 263LTE-FN.
2
XR150/XR550 Series Panel
1. Attach one end of the included 381-2 coax cable
to the 263LTE-FN SMA connector.
2. Position one washer onto the other end of the
coax cable and push the threaded end through
the antenna knockout hole.
3. Position the second washer onto the threaded
end that extends through the antenna knockout
hole and secure the nut.
4. Attach the included LTE antenna to the coax
cable SMA connector. See Figure 5.

CONNECT THE ANTENNA
LTE Antenna
Coax
Cable
Antenna
Knockout
Hole
Coax Cable
SMA Connector
Brass Washers
SMA
Connector
Figure 5: XR150/XR550 Series Panel
ACTIVATE THE 263LTE-FN
Cellular service is required before you can use the 263LTE-FN for signal transmission. The
3
263LTE-FN comes ready for activation with SecureComTM Wireless, LLC. Use Remote LinkTM,
the Dealer AdminTM site (DMPDealerAdmin.com), the Tech APPTM, or call DMP Customer
Service (1-866-266-2826) to activate the 263LTE-FN.
Dealer Admin Activation
1. Navigate to the Dealer Admin site (DMPDealerAdmin.com).
2. Click Customers in the right-side menu and select a customer.
3. Click Add System.
4. Enter a System Name.
5. Select either Cellular or EASYconnect + Cell Backup in the Connection Type field.
6. Enter the SIM number found on the 263LTE-FN label and click Get Status.
7. Enter the Account Number.
8. Select a Rate Plan for the 263LTE-FN.
9. Click Activate Cellular Device.
Tech APP Activation
1. Navigate to the Tech APP.
2. Tap Find a Customer then search for a customer.
3. Tap Add a System.
4. Enter a System Name.
5. Scan or enter the Serial #.
6. Select either Cellular or EASYconnect + Cell Backup in the Connection Type field.
7. Enter the Account Number.
8. Enter the SIM Number found on the 263LTE-FN label then tap Get SIM Status.
9. Select a Rate Plan for the 263LTE-FN.
10. Tap Activate Cellular Device.
2 263LTE SERIES INSTALLATION GUIDE | DIGITAL MONITORING PRODUCTS

Remote Link Activation
1. Navigate to Remote Link and select a panel.
2. Select Program in the top menu and select Communications from the dropdown menu.
3. Select Cellular Network as the Communication Type and click Activate.
4. Select SIM as the SIM Type.
5. Enter the SIM number found on the 263LTE-FN label and press the Tab key.
6. Select a Rate Plan for the 263LTE-FN and click Activate.
TEST THE 263LTE-FN
The panel provides a diagnostic function to test the communication integrity and cellular
signal strength of the 263LTE-FN to the nearest tower for the cellular carrier. To use the
4
diagnostic function, reset the panel, enter 2313 (DIAG), and press CMD.
Communication Status
This option tests the individual components of cellular or wireless network
communication.
1. Select CELL STATUS from the Diagnostic menu. Possible test results are shown
in Table 1.
2. Select YES to continue through the remaining component tests or select NO to
stop testing and return to CELL STATUS.
Confirmed Faulty
MODEM OPERATING NO MODEM FOUND
IDENTIFIED NO SIM CARD
TOWER DETECTED NO TOWER
REGISTERED NOT REGISTERED
CONNECT SUCCESS
CELL PATH GOOD NO ACK RECEIVED
Table 1: Cell Status Test Results
CONNECT ERROR
NOT ACTIVATED
263LTE SERIES INSTALLATION GUIDE | DIGITAL MONITORING PRODUCTS 3

FCC INFORMATION
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.
The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm (7.874 in.) from
all persons. It must not be located or operated in conjunction with any other antenna or transmitter.
Changes or modifications made by the user and not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in
a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment o and on,
the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect equipment into an outlet on a circuit dierent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Industry Canada Information
This device complies with Industry Canada Licence-exempt RSS standard(s). Operation is subject to the following two
conditions:
1. This device may not cause interference, and
2. this device must accept any interference, including interference that may cause undesired operation of the
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence.
L’exploitation est autorisée aux deux conditions suivantes:
This system has been evaluated for RF Exposure per RSS-102 and is in compliance with the limits specified by Health
Canada Safety Code 6. The system must be installed at a minimum separation distance from the antenna to a general
bystander of 7.87 inches (20 cm) to maintain compliance with the General Population limits.
L’exposition aux radiofréquences de ce système a été évaluée selon la norme RSS-102 et est jugée conforme aux limites
établies par le Code de sécurité 6 de Santé Canada. Le système doit être installé à une distance minimale de 7.87 pouces
(20 cm) séparant l’antenne d’une personne présente en conformité avec les limites permises d’exposition du grand
public.
device.
1. l’appareil ne doit pas produire de brouillage, et
2. l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible
d’en compromettre le fonctionnement.
263LTE-FN CELLULAR
COMMUNICATOR
Specifications
Primary Power 12 VDC from panel
Current Draw
Standby 6 mA
Alarm 7 mA
Ordering Information
263LTE-FN Cellular Communicator for AT&T LTE
Accessories
381-2 18” Coax Cable
381-12 12’ Coax Extension
381-25 25’ Coax Extension
383 Dual Band Antenna (included)
386 Antenna Mounting Bracket
Compatibility
XR150/XR550 Series Version 202 or higher
Certifications
FCC Part 15: XMR201909EC25AFX
Industry Canada: 10224A-201909EC25AFX
Designed, engineered, and
manufactured in Springfield, Missouri
using U.S. and global components.
© 2020 Digital Monitoring Products,
Inc.
LT-2184 1.01 20433
Underwriters Laboratory (UL) Listed
• ANSI/UL 294 Access Control System Units
• ANSI/UL 636 Holdup Alarm Units and System
Accessory
• ANSI/UL 1023 Household Burglar
• ANSI/UL 1076 Proprietary Burglar
• ANSI/UL 1610 Central Station Burglar
• ANSI/UL 1635 Digital Burglar
• ANSI/UL 985 Household Fire Warning
• ANSI/UL 864 Fire Protective Signaling 9th Edition.
• ANSI/UL 365 Police Sta. Connected Burg Alarm
• ANSI/UL 609 Local Burg Alarm Units & Systems
Underwriters Laboratory of Canada (ULC) Listed
• ULC S304 Central Station Burglar
• ULC - Subject - C1023 Household Burglar
• ULC/ORD - C1076 Proprietary Burglar
• ULC - S545 Household Fire
• ULC - S559 Equipment for Fire Receiving
Centers and Systems
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2500 North Partnership Boulevard
Springfield, Missouri 65803-8877
888.436.7832 | DMP.com