American Communication Systems
Home  >>  BK Technologies (Relm) SMX921-Q-2
My Cart Cart    
My Account My Account


BK Technologies (Relm) SMX921-Q-2

Rack Mount Analog UHF Base Station / Repeater, 485-520 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
Microphones and options sold separately
Customer Rating:  
/
Vote!
Item SKU Number:  181044
Manufacturer Part Number:  SMX921Q2, SMX921 Q 2, SMX921-Q-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: April 2025


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:

SMX921-Q-2 Rack Mount Analog UHF Base Station / Repeater, 485-520 MHz, 2 W, 25kHz / 12.5 kHz, 255 Channels
TK-890K TK-890 Public Safety / Service Mobile Radio, UHF 450-490 MHz, Basic Front ("BMD"), 40W, 160 Channels
07-110-5015 Cadex charger battery adapter. To be used with model MA841BPL1K Li 3.6V 1200 mah battery, made for NTT / Do Co Mo MOVA-IV
7450/5AH Single Isolator, 150 Watt Load
ESK-EB1 Semi-Transparent Replacement Earbud, Large (1 per package)
BKR0050-10 Accessory Connector Dust Cover, Black (10 Pack)
TW760-2HRB1 763-869 MHz 2 Channel Hybrid Combiner, 150W, N-Female Connector
L-1085 KENWOOD NX-700, NX-800 Programming (with basic TX/RX check)
TK-270GK2 TK-270G VHF Portable, 136-150 MHz 5W, 128 Channel, Built-in DTMF
CS-R5 Cloning Software



Share this Page