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Key LED Interface Specification
| No. | Item | Specification |
| LED Indicator Function Description | ||
| 1 | BAND-A | Band A Frequency Indicator(Green Light) |
| 2 | BAND-B | Band B Frequency Indicator(Blue Light) |
| 3 | WORK | System Operating Light |
| Key Function Description | ||
| 1 | BAND-A | Band A Frequency Switching Key |
| 2 | BAND-B | Band B Frequency Switching Key |
| Description of Interface Definition Functions | ||
| 1 | 5V | 5VInput（4.2-6V） |
| 2 | NC | Non Function |
| 3 | GND | Ground Connection |
| 4 | 6.5M | The reservation function is not open. |
| 5 | 6.0M | The reservation function is not open. |
| 6 | VIDEO | Video Output（1Vp-p） |
| 7 | NC | Non Function |
| 8 | NC | Non Function |
| 9 | NC | Non Function |
Key Controls and LED indicators define the band
1) A Bandkeyingdefinition
1 BAND-APressthekeyonce, frequencyis3330MHz,greenlightblinksonce.
2 BAND-APressthekeytwice, frequencyis3350Mhz,greenlightblinkstwice.
3 BAND-APressthekey3times, frequencyis3370Mhz,greenlightblinks3times.
4 BAND-APressthekey4times, frequencyis3390Mhz,greenlightblinks4times.
5 BAND-APressthekey5times, frequencyis3410Mhz,greenlightblinks5times.
6 BAND-APressthekey6times, frequencyis3430Mhz,greenlightblinks6times.
7 BAND-APressthekey7times, frequencyis3450Mhz,greenlightblinks7times.
8 BAND-APressthekey8times, frequencyis3470Mhz,greenlightblinks8times.
2) B Bandkeyingdefinition
1 BAND-B Pressthekey once, frequency is 3170MHz, blue light blinks once.
2 BAND-BPressthe key twice, frequency is 3190Mhz, blue light blinks twice.
3 BAND-BPressthe key 3 times, frequency is 3210Mhz, blue light blinks 3 times.
4 BAND-BPressthe key 4 times, frequency is 3230Mhz, blue light blinks 4 times.
5 BAND-BPressthe key 5 times, frequency is 3250Mhz, blue light blinks 5 times.
6 BAND-BPressthe key 6 times, frequency is 3270Mhz, blue light blinks 6 times.
7 BAND-BPressthe key 7 times, frequency is 3290Mhz, blue light blinks 7 times.
8 BAND-BPressthe key 8 times, frequency is 3310Mhz, blue light blinks 8 times.
LED and key frequency corresponding table
| LED/FREQ Channel | CH1 | CH2 | CH3 | CH4 | CH5 | CH6 | CH7 | CH8 |
| GREEN | FLASH 1 | FLASH 2 | FLASH 3 | FLASH 4 | FLASH 5 | FLASH 6 | FLASH 7 | FLASH 8 |
| BANDA-FREQ MHz | 3330 | 3350 | 3370 | 3390 | 3410 | 3430 | 3450 | 3470 |
| BLUE | FLASH 1 | FLASH 2 | FLASH 3 | FLASH 4 | FLASH 5 | FLASH 6 | FLASH 7 | FLASH 8 |
| BANDB-FREQ MHz | 3170 | 3190 | 3210 | 3230 | 3250 | 3270 | 3290 | 3310 |
Reciver Parameter
| Specs | Min | Median | Max | Note (Testing Condition) |
| Receive Frequency | 3170MHz | 3330MHz | 3470MHz | Default 3330MHz |
| Input
Resistance |
50Ω | Antenna port impedance | ||
| Operation Voltage | 4.2V | 5V | 6V | |
| Operating Current | 0.45A | Power 5V data | ||
| Receive
Sensitivity |
-95dBm | CW Signal (E5071C source) | ||
| IF-FRE | 480M | |||
| Video
Amplitude |
0.8Vp-p | 1Vp-p | 1.2Vp-p | |
| Max Input | 0dBm | Max input power | ||
| Operating
Temperature |
-30℃ | 25℃ | 85℃ | |
| Operating Humidity | 10% | 50% | 95% | |
| Storage
Temperature |
-40℃ | 25℃ | 90℃ | Storage Temperature |
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