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SGC SMARTUNER™ COMPARISON CHART
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Specification
SG-230
SG-235
SG-237
SG-239
SG-211
MAC-200
Frequency Range
1.6 - 30MHz
1.8 - 30MHz
1.8 - 60MHz
1.8 - 30MHz
1.8 - 60MHz
1.8 - 60MHz
Input Power Range (PEP)
3 - 200W
3 - 500W
3 - 100W
1.5 - 200W
1 - 60W ¹
1.5 - 200W
Input Power Max. (CW)
80W
200W
40W
80W
20W
80W
Input Impedance Range
45 - 55 ohms
45 - 55 ohms
45 - 55 ohms
45 - 55 ohms
45 - 55 ohms
45 - 55 ohms
Typical VSWR
< 2:1
< 2:1
< 2:1
< 2:1
< 2:1
< 2:1
DC Input Requirement
+ 13.6 VDC
+ 13.6 VDC
+ 13.6 VDC
+ 13.8 VDC
Zero
+ 13.8 VDC
DC Operating Range
10 - 18 VDC
10 - 18 VDC
10 - 18 VDC
10 - 18.5 VDC
N/A
10 - 18.5 VDC
Input Current (Average)
.9 Amps
1.4 Amps
.3 Amps
.23 Amps
Zero
.23 Amps
Initial Tune Time
< 2 seconds
< 2 seconds
< 4 seconds
< 2 seconds
< 3 seconds
< 2 seconds
From Memory Tune Time
< 10 ms
< 10 ms
< 10 ms
< 10 ms
< 50 ms
< 10 ms
Memory Bins
170
170
170
170
256
170
Tuning Combinations
1/2 million
1/2 million
1/2 million
1/8 million
65,536
1/8 million
Antenna Length (> 3.3MHz)
8 feet
50 feet
8 feet
40 feet
8 feet
40 feet
Antenna Length (< 3.3MHz)
23 feet
300 feet
28 feet
100 feet
25 feet
100 feet
             
Specification
SG-230
SG-235
SG-237
SG-239
SG-211
MAC-200
Elements Configuration
Pi & L
Pi & L
Pi & L
Pi & L
L
Pi & L
Input Capacitance (Min.)
100 pF
100 pF
50 pF
50 pF
N/A
50 pF
Input Capacitance (Max.)
6400 pF
6400 pF
6400 pF
3150 pF
N/A
3150 pF
Inductance (Min.)
0.25 µH
0.125 µH
0.125 µH
0.125 µH
.125 µH
.125 µH
Inductance (Max.)
64 µH
32 µH
32 µH
16 µH
32 µH
16 µH
Output Capacitance (Min.)
25 pF
12.5 pF
12.5 pF
50 pF
5 pF
50 pF
Output Capacitance (Max.)
800 pF
400 pF
200 pF
740 pF
1275 pF
740 pF
Installation
Any Position ²
Any Position ²
Any Position ²
Any Position ²
Any Position ²
Desktop ²
Operating Temerature
-35C to +70C
-35C to +70C
-35C to +70C
-35C to +70C
-30 C to + 60C
-35C to +70C
Environmental
Waterproof under
2 ft. for 30 min.
Waterproof under
2 ft. for 30 min.
Waterproof under
2 ft. for 30 min.
No protection
No protection
No protection
Dimensions ( L x W x H Inches)
16 x 12 x 3
16 x 12 x 3
6 x 7 x 1.5
7.5 x 6 x 2
8.7 x 4.7 x 1.5
8.5 x 6.5 x 3
Weight (Lbs.)
8 lbs.
8 lbs.
< 2 lbs.
2 lbs.
1 lb.
5 lbs.
Case Construction
Sealed ABS Plastic
Sealed ABS Plastic
Sealed ABS Plastic
Aluminum ³
Aluminum ³
Extruded Metal ³
Control Cable *
9 ft. coax/control
9 ft. coax/control
9 ft. coax/control
not supplied
not supplied
not supplied
Other
Wire Terminals
Manual Tune
SO-239 Input
Internal Batteries
LED Indicator ¹
5 Outputs ¹
2 Meters ¹


¹ See specifications on product page for details.
² Ideal installation position for all SGC couplers is as close to antenna feed point as possible.
³ Not recommended for outside installation - requires additional protection.
* All SGC couplers require only RF and DC power(not required for SG-211). SGC cables are required for additional features only.


SGC, USA Tel: 425-746-6310 Email: sgc1@sgcworld.com
SGC reserves the right to change specifications, release dates and price without notice.