Comtek Frequency Chart Page

Step 2: Use a spectrum analyzer. (If you don't have one, a Comtek RSSI receiver in "scan mode" works, or a $300 RF Explorer). Step 3: Look at the noise floor.

| Channel | Frequency (MHz) | Color Code | Use Case | |---------|----------------|------------|-----------| | 1 | 72.1 | Brown | General purpose | | 2 | 72.3 | Red | General purpose | | 3 | 72.5 | Orange | General purpose | | 4 | 72.7 | Yellow | General purpose | | 5 | 72.9 | Green | General purpose | | 6 | 73.1 | Blue | General purpose | | 7 | 73.3 | Violet | General purpose | | 8 | 73.5 | Gray | General purpose | | 9 | 73.7 | White | General purpose | | 10 | 73.9 | Black | General purpose | | 11 | 74.1 | Copper | General purpose | | 12 | 74.3 | Silver | General purpose | | 13 | 74.5 | Gold | General purpose | | 14 | 74.7 | Tan | General purpose | | 15 | 74.9 | Pink | General purpose | | 16 | 75.1 | Purple | General purpose | | 17 | 75.3 | Lavender | General purpose | | 18 | 75.5 | Coral | General purpose | | 19 | 75.7 | Peach | General purpose | | 20 | 75.9 | Aqua | General purpose | comtek frequency chart

The spacing is 25 kHz. These frequencies are very close together. Never run two transmitters on adjacent channels (e.g., A and B) in the same room without significant physical separation, as they will interfere. Step 2: Use a spectrum analyzer

| Channel Label | Frequency (MHz) | Notes | | :--- | :--- | :--- | | | 216.025 | Lowest frequency in band | | 1 | 216.050 | Good starting point | | 2 | 216.075 | | | 3 | 216.100 | | | 4 | 216.125 | | | 5 | 216.150 | | | 6 | 216.175 | | | 7 | 216.200 | | | 8 | 216.225 | | | 9 | 216.250 | Highest frequency in band | | Channel | Frequency (MHz) | Color Code

deviation) meant for compatibility with other manufacturers, such as Phonak MicroEar or Invisity receivers.