SURECOM SF-401 Plus Handheld Frequency Counter for Walkie Talkies
with CTCCSS/ DCS Decoder
** Test Range 27Mhz-3000Mhz **
SF-401 Plus Test Range 27MHz-3GHz SURECOM Portable Frequency Counter Meter Scanner CTCSS/DCS Decoder DMR Digital Radio Testable
Description:　
- Powerful signal strength indicator to measure walkie talkies’ continuous carrier signal frequency for wireless enthusiasts.
- Designed for counting continuous wave signal from Two-way Radio
- Easy ranges to choose and cover almost all the frequency
- Include frequency areas such as 2m HAM radio, all VHF and UHF (Frequency range: 27Mhz-3000Mhz)
- DMR Radio signal frequency counter.
- Easy battery level
Features:
- CTCSS/DCS Decoder
- LCD Dim level setting
- Frequency digital 0.000 or 0.0000
- Work by TCXO(Temperature Compensate X’tal (crystal) Oscillator) 2～2.5ppm
- Color Display 240×320
- Build-in Li-ion battery
- Only four-button control means easy to use
- Small size allows hand holding.
- Auto power off 1-9minutes
- Charging battery LED indicator
|
Comparison Between SF-401 & SF-401-plus |
|||
|
Brand Name: |
SURECOM HK |
SF-401 |
SF-401-PLUS |
|
DIGITAL RADIO Signal |
DMR |
No |
YES |
|
Signal Attenuation S.W. |
-20db |
No |
YES |
|
Battery Buily-in |
level |
Voltage |
Easy Icon |
|
Flash Light |
LED |
YES |
NO |
|
TFT LCD |
320 x 240 pixels |
YES |
YES |
|
Frequency Range |
27Mhz -3Ghz |
YES |
YES |
|
Li-ion Battery Build-in |
3.7V 600mah |
YES |
YES |
|
Current Consumption |
10ma |
YES |
YES |
|
TCXO Crystal Oscillator |
+- 2.5ppm |
YES |
YES |
|
Change In |
Micro USB +5V |
YES |
YES |
|
impedance Input |
50 Ohm (BNC) |
YES |
YES |
|
Weight |
113g |
YES |
YES |
|
Dimensions Size |
70 x 25 x 90mm |
YES |
YES |
|
|
SF-401/PLUSÂ Â CTCSS (Hz) |
|||
|
50 |
97.4 |
151.4 |
192.8 |
|
55 |
100 |
156.7 |
196.6 |
|
67 |
103.5 |
159.8 |
199.5 |
|
69.3 |
107.2 |
162.2 |
203.5 |
|
71.9 |
110.9 |
165.5 |
206.5 |
|
74.4 |
114.8 |
167.9 |
210.7 |
|
77 |
118.8 |
171.3 |
218.1 |
|
79.7 |
123 |
173.8 |
225.7 |
|
82.5 |
127.3 |
177.3 |
229.1 |
|
85.4 |
131.8 |
179.9 |
233.6 |
|
88.5 |
136.5 |
183.5 |
241.8 |
|
91.5 |
141.3 |
186.2 |
250.3 |
|
94.8 |
146.2 |
189.9 |
254.1 |
　CDCSS
|
Standard |
sf401 check |
Standard |
sf401 check |
Standard |
sf401 check |
Standard |
sf401 check |
|
|
23 |
23 |
143 |
143 |
266 |
465 |
465 |
||
|
25 |
25 |
|
145 |
271 |
271 |
466 |
466 |
|
|
26 |
26 |
152 |
152 |
274 |
503 |
503 |
||
|
31 |
31 |
155 |
155 |
306 |
306 |
506 |
506 |
|
|
32 |
32 |
156 |
156 |
311 |
311 |
516 |
516 |
|
|
|
36 |
162 |
162 |
315 |
315 |
532 |
532 |
|
|
43 |
43 |
165 |
165 |
325 |
546 |
546 |
||
|
47 |
47 |
172 |
172 |
331 |
331 |
565 |
565 |
|
|
51 |
51 |
174 |
174 |
332 |
606 |
606 |
||
|
|
53 |
205 |
205 |
343 |
343 |
612 |
612 |
|
|
54 |
54 |
212 |
346 |
346 |
624 |
624 |
||
|
65 |
65 |
223 |
223 |
351 |
351 |
627 |
627 |
|
|
71 |
71 |
225 |
356 |
631 |
631 |
|||
|
72 |
72 |
226 |
226 |
364 |
364 |
632 |
632 |
|
|
73 |
73 |
243 |
243 |
365 |
365 |
654 |
654 |
|
|
74 |
74 |
244 |
244 |
371 |
371 |
662 |
662 |
|
|
114 |
114 |
245 |
245 |
411 |
411 |
664 |
664 |
|
|
115 |
115 |
|
246 |
412 |
412 |
703 |
703 |
|
|
116 |
116 |
251 |
251 |
413 |
413 |
712 |
712 |
|
|
|
122 |
|
252 |
423 |
423 |
723 |
723 |
|
|
125 |
125 |
255 |
431 |
431 |
731 |
731 |
||
|
131 |
131 |
261 |
261 |
432 |
432 |
732 |
732 |
|
|
132 |
132 |
263 |
263 |
445 |
445 |
734 |
734 |
|
|
134 |
134 |
265 |
265 |
464 |
464 |
743 |
743 |
|
|
754 |
754 |
If Frequency Counter Cannot Check VHF Frequency
Solutions:
1) Swtich the ATT button into left hand side.
2) Then change the antenna into VHF or Dual band, as customer are using UHF antenna, but checking VHF band.
Package Contents
1x SF401 PLUS Frequency Counter
1 x UHF Antenna
1x English User Manual
1x USB charger cable
1x USB AC adapter 100-240V
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