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SB-2541
SB-2544
Maxon Endura SM2500 series
VHF&UHF
Base Stations

$452.00
VHF
$473.00 UHF
Includes:
One SM-2500 Series radio / up to 25 W power
10 Amp power supply, 110V or 220V operation
Base station
desktop microphone
Housing / Shroud
Assembly / Hardware
4 Channel FREE Programming |
Lowest Price Guarantee
***Up to 4 Channels Programmed FREE***

Maxon's economical SB-2500 Series Base Stations
for quick "Plug-and-Play" dispatching
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Plug-and-Play Dispatch Solutions
These compact, "plug-and-play" base stations use the Maxon Enduro
SM2500 mobile to satisfy a multitude of long-range communication needs,
including dispatching a mobile fleet, organizing equipment on a large
job site, and routing buses or delivery vehicles.
Features:
- 25 Watt RF power:
Programmable for 1 or 25 Watts by channel, for
optimum communication range from any location.
- 4 Channels:
Rotary switch selectable for ease and simplicity
- 148-174 VHF SB-2541
440-470 UHF SB-2544
- CTCSS / DCS Tone signaling:
Tones prevent reception of unwanted calls and
increase call privacy.
- Data connector:
Provides easy access for audio and data
applications such as mobile data terminals, telemetry and SCADA
applications.
- Easy programming:
For convenience, radio personality is programmed
through the microphone jack.
- Multiple scan modes:
Channel scan, priority scan and priority scan with look
back function.
- Compact Size (7" x 2" x 6.25")
- CTCSS/DCS Encode/Decode
- Programmable Wide/Narrow per Ch
- 15-Pin Data Connector
- Talk-Around Mode / Monitor Mode
- Time-out-timer
- Busy Channel Lockout
- 12.5/25 KHz Channel Spacing
- 2.5/5.0/6.25 KHz Channel Stepping
- 15-Pin Data Connector
(See image below)
- Wideband Synthesized
- Meets MIL-STD 810 F, Shock, Vibration, and Dust
- External speaker jack
- Time-Out Timer
- Loud 4 Watt Internal and External Speaker Power
- Direct FM Modulation
- PC Programming via Software and
Cable (optional)
DON'T
SEE WHAT YOU NEED??
Got a Question?
HIGH POWER AMPLIFIERS:

VHF - up to 140 Watts
UHF - up to 100 Watts
Includes 22-ft cable and connection hardware
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Lowest Price Guarantee |
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Optional Accessories -
Microphones
Lowest Price Guarantee |
| Model # |
Description |
Price |
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| ACC-4473 |
Heavy
Duty Mobile Microphone |
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| ACC-702 |
Base
Station Desktop Microphone |
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| ACC-709 |
Heavy Duty
DTMF Mobile Microphone |
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Optional Accessories -
Speakers
Lowest Price Guarantee |
| Model # |
Description |
Price |
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| AA-1470A |
10
Watt Heavy Duty Remote Speaker |
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Optional Accessories -
Signalling
Lowest Price Guarantee |
| Model # |
Description |
Price |
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| ANI-MA
Maxon |
Analog
- DTMF / Five-Tone / 2-Tone ANI Encoder |
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| ANI-MG
Maxon |
Digital
- GE Star ANI Encoder |
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| ANI-MM
Maxon |
Digital
- MDC-1200 / MDC-600 ANI Encoder |
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| TVS-2
Maxon |
Rolling
Code Voice Scrambler |
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| UD-1B
Maxon |
DTMF /
Five-Tone (Selcall) / 2-Tone Decoder w/ANI |
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| VPU-11
Maxon |
Speech
Inversion Scrambler (default frequency 3676 Hz)
(Factory programmable between 2000-4069 Hz - extra charge) |
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| VPU-15
Maxon |
Speech
Inversion Scrambler (user programmable) |
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Optional Accessories -
Power Supplies
Lowest Price Guarantee |
| Model # |
Description |
Price |
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| MS-0730A |
Power Supply 10A 110/220 VAC
50% Duty Cycle
Note: DuraComm equivalent may be substituted |
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| MS-4730 |
Base Station Housing / Shroud |
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Optional Accessories -
Power Amp Kits
Lowest Price Guarantee |
| Model # |
Description |
Price |
|
| HPK-VHF |
VHF Power Amplifier Kit for
SB-2541 Includes:
Up to
140 Watts of OUTPUT POWER
Power Amplifier Cables with Connectors
(22 ft) Hardware
NOTE: Requires 1-
SB-2541 Base Station & 25A Pwr Supply |
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| HPK-UHF |
UHF Power Amplifier Kit for
SM2544 Includes:
Up to
110 Watts of OUTPUT POWER
Power Amplifier Cables with Connectors
(22 ft) Hardware
NOTE: Requires 1- SB-2544
Base Station & 25A Pwr Supply |
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| HP-22 |
Amplifier Cable Kit with Connectors (22
ft) |
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Service
Equipment
Lowest Price Guarantee |
| Model # |
Description |
Price |
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| ACC-925CD |
PC
Radio Programming Software (Win95 & up)
(CD-ROM) REQUIRES ACC-2500
WARNING! |
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| ACC-2500 |
PC
Programming Cable
WARNING!
REQUIRES SOFTWARE ACC-925CD |
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| KPL-3 |
PC
Module Programming Software & Cable
(Win95 & up) for all signaling modules listed, except
VPU-11 NOT FOR RADIO PROGRAMMING
(CD-ROM)
WARNING! |
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|
680-100-2012 |
SM-2541 /
SM-2544 Service Manual
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Maxon Endura SB-2541 and SB-2544 Accessories
(pictures are similar)

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| General Specifications
Maxon Endura - SB-2541 / SB-2544 |
| |
VHF Band SB-2541 |
UHF Band SB-2544 |
| Frequency Range |
148-174 MHz |
440-470 MHz |
| Channels |
4 |
| Channel Spacing |
12.5 / 25
KHz |
12.5 / 25
KHz |
| Channel Stepping |
2.5 / 5.0 / 6.25 KHz |
2.5 / 5.0 / 6.25 KHz |
| Channel Spread |
26 MHz |
30 MHz |
| Antenna Impedance |
50 Ohms |
| Input Voltage |
120 / 220 VAC |
| DC Current Drain @ 13.8V |
< 100 mA Standby / < 150 mA Receive / < 8.0A Transmit |
| Operating Temperature |
-22°
F to 140°F / -30° to +60°
C |
| Frequency Stability |
± 5 ppm (-30° to +60°
C) |
| Dimensions |
7.1875" x 4.5" x 7.75" |
| Weight |
7.6 lbs |
| FCC Identifier |
F3JSM2150 |
F3JSM2450 |
| FCC Compliance |
Parts 20, 22, 74, 90, 90.210 |
Parts 22, 74, 90, 90.210, 95 |
| IC Certification No. |
3772195173A |
3772194331A |
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| ANSI/EIA/TIA-603
Receiver Specifications |
| |
VHF Band SB-2541 |
UHF Band SB-2544 |
| Sensitivity (12dB SINAD) |
0.25 uV @ 12.5
KHz / 0.25 uV @ 25 KHz |
| Selectivity |
60 dB @ 12.5 KHz / 70 dB @ 25 KHz |
| Intermodulation |
70 dB @ 12.5
KHz / 70 dB @ 25 KHz |
| Spurious Response |
70 dB |
| Audio Output |
4W (int.) 8
Ohm / 4W (Ext.) @ 8 Ohm < 10% THD |
| |
| ANSI/EIA/TIA-603
Transmitter Specifications |
| |
VHF Band SB-2541 |
UHF Band SB-2544 |
| RF Power Output. |
1 or 25 Watts (prog. by channel) |
| Frequency Stability |
±0.000025 PPM (-30° to +60°C) |
| Modulation |
11K0F3E
2.5KHz max / 16K0F3E
5KHz max |
| Spurious & Harmonics |
-70 dB |
| FM Hum & Noise |
40 dB @ 12.5 KHz / 40 dB @ 25 KHz |
| Audio Distortion |
Per EIA / TIA-603 Spec |
| (@60% deviation) |
< 5% @ 1 kHz |
| Output Impedance |
50 ohms |
SB-2541 / SB-2544 Data Connector pin-outs


Topaz technology, today, tomorrow.
The Maxon and Legacy brand products in this document portray our
experience and dedication to the communications industry. With
continued growth and new product offerings, we are ready to meet the
challenges of tomorrow.
Your assurance of quality. We
are very proud of our product quality and stand behind every product
we sell with these three Quality Assurance Promises:
- 2 Year Parts and Labor Warranty
- 6 Month Replacement Program Quality
- Parts Performance Guarantee
CLICK FOR FULL
WARRANTY DETAILS
From manufacture, our radio products are certified to strict ISO
9002 quality standards by one or both of these internationally known
agencies. |
Note: Features and specifications subject to
change without notice
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