American Communication Systems
Home  >>  BK Technologies (Relm) SDMX921-P2-2
My Cart Cart    
My Account My Account


BK Technologies (Relm) SDMX921-P2-2

Rack Mount P25 Digital UHF Base Station / Repeater, 450-485 MHz, 2 W, 25kHz / 12.5 kHz, 255 Channels
Low power consumption, continuous duty, flex.mode, built-in test equipment, Plug and Play, Low current option included. With LZAST92 P25 option module
Microphones and options sold separately
Customer Rating:  
/
Vote!
Item SKU Number:  181052
Manufacturer Part Number:  SDMX921P22, SDMX921 P2 2, SDMX921-P2-2
FCA point / Shipped from:  USA 
 Download Free Materials:
  
Adobe Acrobat Reader RelmBK_SMX920_series_radios.pdf (252.81 KB)
 Item Details:


RELM (Bendix King) SMX921 Analog Repeater/Base Station

Designed from the ground up for the absolute lowest possible power consumption, the RELM/BK SMX921 features the lowest current draw of any professional high-performance repeater/base station among comparable products in today's marketplace.

Advanced circuit design and optimization enable extraordinary RF performance few competing products can provide whatever their power consumption.

* Lowest power consumption enables unique solar power option (58 mA)
* 148-174 MHz VHF, 400-520 MHz UHF, multiple ranges
* 255 channels
* System product - continuous duty
* 13.8 volts DC or 110 volts AC - low power consumption, optional battery back-up (lasts forever)
* 1-50 watts programmable RF power
* Flex-Mode per-channel narrowband/wideband channel spacing
* Built-in test equipment (BITE)
* Internal duplexer option
* More software control of main board functions, elimination of manual pots and jumpers
* Simple set-up, plug and play


 Manufacturer's Catalogs and Guides:

These files contain information about the available products from the manufacturer. If you need something that is not on our website, please contact us. We will help you purchase the desired product at a low price.

BK Technologies Catalog 2023
BKR & KNG Accessory Catalog

Published Date: August 2025
BK Technologies BKR Accessory Catalog 2022.pdf
BKR Accessory Catalog

Published Date: March 2022
BK Technologies All Products Catalog
BK Technologies All Products Catalog

Published Date: January 2026


Relm BK Radio BK Technologies is deeply rooted in the public safety radios and communications Industry and manufactures high specification communications equipment of unsurpassed reliability and value for use by public safety professionals and government agencies, as well as radios for use in a wide range of commercial and industrial applications. Advances include a broad new line of leading digital two-way radios compliant with APCO Project 25 specifications.

BK Technologies two-way radios always incorporates the latest technology. The quality and function of the BK Technologies two-way radio can meet your demands for reliable communication. BK Technologies' products are manufactured and distributed worldwide under Bendix King and Relm brand names.





 Last Viewed Items:

SDMX921-P2-2 Rack Mount P25 Digital UHF Base Station / Repeater, 450-485 MHz, 2 W, 25kHz / 12.5 kHz, 255 Channels
M107-450-4TP-80 4 CH UHF COMBINER W/80W LOAD
TK-3200LU15P KENWOOD ProTalk TK-3200LP UHF BRS Portable Radio, 461-470 MHz, 2W, 15 Channels, 500 mW Speaker Audio, VOX, QT / DQT, DTMF Encode / Decode, Battery Saver.
07-111-1930 Cadex charger battery adapter. To be used with model FNN7815 Li 7.2V 1800 mah battery, made for Motorola Comm HC700
V3-10284 HT1000 Coil Coax Cable with Emergency Button
ICT IC010 220V 220V Power Supply and Cabinet
BC-121N A24 220V 220V Multi-Unit Charger Kit. Includes BC-121N Charger, BC-157 04 AC Power Supply and Six AD-101 Adapter Cups
R2-VA MOTOTRBO R2 Analog & Digital VHF Portable Radio, 136-174 MHz, 5 Watt RF Power, 64 Channels, 2 Programmable Buttons, Non Display (AAH11JDC9JA2AN)
LZA0531 14 Tone User Selectable Code Guard
LEVC-TA2 LOGIC ENERGY In-Vehicle Charger, 12-24V DC Input



Share this Page  
Share to Facebook Share to X Share to Telegram Share to Whatsapp Share to ...