China radio frequency distribution table
[Date: 2005-1-5] Source: Author: Anonymous [font: medium and small]
1. Classification and main use
Name very low frequency low frequency intermediate frequency high frequency high frequency ultra high frequency high frequency high frequency symbol VLF LF MF HF VHF UHF SHF EHF frequency 3-30KHz 30-300KHz 0.3-3MHz 3-30MHz 30-300MHz 0.3-3GHz 3-30GHz 30- 300GHz wave band super long wavelength wave medium wave short pocket pockets wave centimeter wave millimeter wave length 1kkm-100km 10km-1km 1km-100m 100m 10M 10M 10 mm-1 mm propagation characteristic space wave is mainly Wave-domain wave and sky wave space wave space wave space wave space wave space wave main use coastal submarine communication; long-distance communication; ultra-distance navigation of Yueyang communication; medium distance communication; underground rock formation communication; long distance navigation marine communication Amateur radio communication; mobile communication; medium distance navigation remote short-wave communication; international fixed-point communication ionization layer scatter (30-60MHz); meteor ingredient communication; artificial electric ionization communication (30-144MHz); mobile phone communication; mobile Communication small capacity microwave relay communication; (352-420 MHz); abrupt stream scatter communication (700-10000MHz); medium volume microwave communication (1700-2400MHz) large-capacity microwave relay communication (3600-4200MHz); large capacity microwave relay communication (5850-8500MHz); digital communication; satellite communication; international maritime satellite communication (1500-1600MHz) communication when re-entry at the atmosphere; waveguide communication
2. my country's land mobile radio business frequency division
29.7-48.5MHz 156.8375-167MHz 566-606MHz 64.5-72.5MHz (Broadcasting, and Broadcasting Business) 167-223MHz (mainly based on broadcasting business, fixed, mobile service is time) 798-960MHz (and broadcast public) 72.5 -74.6MHz 223-235MHz 1427-1535MHz 75.4-76MHz 335.4-399.9MHz 1668.4-2690MHz 137-144MHz 406.1-420MHz 4400-5000MHz 146-149.9MHz 450.56.7625MHz 460.5-463.5MHz
3. Amateur radio communication frequency use division table
Serial number frequency (MHz) application serial number frequency (GHz) Uses 1 1.8-2.1 Shared 15 1.24-1.30 times to 2 3.5-3.9 shared 16 2.30-2.45 times 3 7.0-7.1 special 17 3.30-3.50 times 4 10.1-10.15 times To 18 5.65-6.35 times 5 14-14.25 dedicated 19 10-10.5 times 6 14.25-14.35 Shared 20 24-24.25 times 7 18.068-18.168 Shared 21 47-47.25 Shared 8 21-21.45 Special 22 75.5-76 Shared 9 24.89-24.99 Shared 23 76-81 times 10 28-29.7 Shared 24 142-144 Shared 11 50-54 times to be 25 144-149 times 12 144-146 special 26 241-248 times 13 146-148 shared 27 248 -250 Shared 14 430-440 times to be 28 * shared as a homework as a major business and other business shared band; dedicated to amateur business as a dedicated frequency band; secondary, amateur, a secondary frequency band. 2-9 or 12 can be used for natural disaster communication; 160MHz-162MHz is a meteorological band.
4. Cordless telephone use frequency division table
Number of sets of base unit transmit frequency (MHz) mobile transmit frequency (MHz) 1 48.000 74.000 2 48.025 74.025 3 48.050 74.050 4 48.075 74.075 5 48.100 74.100 6 48.125 74.125 7 48.150 74.150 8 48.175 74.175 9 48.200 74.200 10 48.225 74.225 11 48.250 74.250 12 48.275 74.275 13 48.327 74.325 15 48.350 74.350 16 1.665 48.375 17 1.690 48.400 18 1.715 48.425 19 1.690 48.450 20 1.740 48.475
5. Cordless telephone use frequency division table two
The group-mine emission frequency (MHz) mobile phone emission frequency (MHz) 1 45.000 48.000 2 45.025 48.075 4 45.075 48.075 5 45.075 48.075 5 45.100 48.075 5 45.100 48.100 6 45.125 48.125 7 45.150 48.150 8 45.175 48.175 9 45.200 48.200 10 45.225 48.225
* Table 1 is to formulate my country 's No Commission in 1985, and Table 2 is formulated in 1992. The cordless telephone channel interval is 25kHz, the landline emission power must not exceed 50MW, and the mobile phone transmit power must not exceed 20MW. The launch category is F3E; F1D; G3E.
6. Broadcasting and TV Frequency Division
Band Frequency (MHz) Radio Space Dispersive LF (LW) 120-300KHz - Long wave Amplitude Broadcast MF (AM) 525KHZ-1605KHz 9kHz Medium Wave Amplitude Broadcast HF (SW) 3.5-29.7MHz 9kHz Short Wave Amplitude Broadcasting and Single Belt Communication VHF (Fm) 88-108MHz 150KHz FM broadcast and data broadcast VHF 48.5-92MHz 8MHz TV and data broadcast VHF 167-223MHz 8MHz TV and data broadcast UHF 223-443MHz 8MHz TV and data broadcast UHF 443-870MHz 8MHz TV and data broadcasting
7. Toys Radio Remote Control and Communication Frequency Table
Communication Equipment Bandwidth (kHz) Transmission Power (MW) Frequency (MHz) Remote Control Device Bandwidth (KHz) Transmission Power (W) Frequency (MHz) 1 <12 ≤100 26.965 1 ≤ 8 ≤ 1 26.985 2 <12 ≤ 100 26.985 2 ≤ 8 ≤1 26.995 3 <12 ≤100 27.015 4 <12 ≤100 27.025 4 ≤8 ≤1 27.045 5 <12 ≤100 27.055 5 ≤8 ≤1 27.065 6 <12 ≤100 27.075 6 ≤8 ≤ 1 27.095 7 <12 ≤100 27.115 8 <12 ≤100 27.125 8 ≤8 ≤1 27.145 9 <12 ≤100 27.195 10 <12 ≤100 27.185 10 ≤ 8 ≤1 27.255 * Communication equipment emission category: H1a; R1a; J1a; A1a; F1a; H3E; R3E; J3E; A3E; F3E.
8. Transmitting Properties International Code Description
New Distilinal Number A1A Bilateral Bilateral Bar Controlled Telegraph A1 A2A Bilateral Bar Bar Control Telegraph A2 H2A Unilateral Band Full Carrier Advancement Activity Telegraph A2H A3E Bilateral Band Archive Phone A3 H3E Single Band Full Series Phone A3H R3E Belt fax carrier phone A3A J3E single sideband suppression carrier phone A3J F3E FM phone F3
