245 MHz VHF CB
From HFUnderground
Thailand only...known as "245 VHF" "245 CB" "CB 245" or other similar names. Extremely popular in Thailand, especially in urban areas. Popular with taxi and car services in Bangkok.
Radios must have red cases per Thai law. Heavily used by taxi companies, delivery services, hobbyists, security companies, etc.
Thailand apparently has 26-27 MHz CB, a mid-band VHF 78 MHz band service from 78.0000 MHz to 78.9875 MHz (12.5 kHz steps, 10 watt power limit and radios must be yellow) as well. Estimates of users above one million, especially in larger urban areas. Use of CTCSS, DCS and other squelch and selective calling systems is widespread due to heavy channel congestion and interference/QRM. According to reports, 27 MHz HF CB and 78 MHz VHF CB are niche services and 245 MHz VHF CB is by far the most commonly used personal radio service in Thailand and neighboring areas.
Reports indicate that significant amounts of simplex and duplex repeater systems exist on these frequencies, in addition to fixed base stations with high gain base station antennas. The majority of users appear to use portable handheld radios and mobile radios mounted in vehicles for simplex purposes.
80 channels 245.0000 to 245.9875 MHz 12.5 kHz steps. FM mode only (narrowband, likely 11K0F3E, 11K2F3E or similar emission). Many radios can easily be modified to cover 240-270 MHz or similar frequency ranges. Most radios include frequency and channel display.
245 MHz VHF CB Thai Frequencies
Channel | Frequency |
---|---|
Channel 1 | 245.0000 MHz |
Channel 2 | 245.0125 MHz |
Channel 3 | 245.0250 MHz |
Channel 4 | 245.0375 MHz |
Channel 5 | 245.0500 MHz |
Channel 6 | 245.0625 MHz |
Channel 7 | 245.0750 MHz |
Channel 8 | 245.0875 MHz |
Channel 9 | 245.1000 MHz |
Channel 10 | 245.1125 MHz |
Channel 11 | 245.1250 MHz |
Channel 12 | 245.1375 MHz |
Channel 13 | 245.1500 MHz |
Channel 14 | 245.1625 MHz |
Channel 15 | 245.1750 MHz |
Channel 16 | 245.1875 MHz |
Channel 17 | 245.2000 MHz |
Channel 18 | 245.2125 MHz |
Channel 19 | 245.2250 MHz |
Channel 20 | 245.2375 MHz |
Channel 21 | 245.2500 MHz |
Channel 22 | 245.2625 MHz |
Channel 23 | 245.2750 MHz |
Channel 24 | 245.2875 MHz |
Channel 25 | 245.3000 MHz |
Channel 26 | 245.3125 MHz |
Channel 27 | 245.3250 MHz |
Channel 28 | 245.3375 MHz |
Channel 29 | 245.3500 MHz |
Channel 30 | 245.3625 MHz |
Channel 31 | 245.3750 MHz |
Channel 32 | 245.3875 MHz |
Channel 33 | 245.4000 MHz |
Channel 34 | 245.4125 MHz |
Channel 35 | 245.4250 MHz |
Channel 36 | 245.4375 MHz |
Channel 37 | 245.4500 MHz |
Channel 38 | 245.4625 MHz |
Channel 39 | 245.4750 MHz |
Channel 40 | 245.4875 MHz |
Channel 41 | 245.5000 MHz |
Channel 42 | 245.5125 MHz |
Channel 43 | 245.5250 MHz |
Channel 44 | 245.5375 MHz |
Channel 45 | 245.5500 MHz |
Channel 46 | 245.5625 MHz |
Channel 47 | 245.5750 MHz |
Channel 48 | 245.5875 MHz |
Channel 49 | 245.6000 MHz |
Channel 50 | 245.6125 MHz |
Channel 51 | 245.6250 MHz |
Channel 52 | 245.6375 MHz |
Channel 53 | 245.6500 MHz |
Channel 54 | 245.6625 MHz |
Channel 55 | 245.6750 MHz |
Channel 56 | 245.6875 MHz |
Channel 57 | 245.7000 MHz |
Channel 58 | 245.7125 MHz |
Channel 59 | 245.7250 MHz |
Channel 60 | 245.7375 MHz |
Channel 61 | 245.7500 MHz |
Channel 62 | 245.7625 MHz |
Channel 63 | 245.7750 MHz |
Channel 64 | 245.7875 MHz |
Channel 65 | 245.8000 MHz |
Channel 66 | 245.8125 MHz |
Channel 67 | 245.8250 MHz |
Channel 68 | 245.8375 MHz |
Channel 69 | 245.8500 MHz |
Channel 70 | 245.8625 MHz |
Channel 71 | 245.8750 MHz |
Channel 72 | 245.8875 MHz |
Channel 73 | 245.9000 MHz |
Channel 74 | 245.9125 MHz |
Channel 75 | 245.9250 MHz |
Channel 76 | 245.9375 MHz |
Channel 77 | 245.9500 MHz |
Channel 78 | 245.9625 MHz |
Channel 79 | 245.9750 MHz |
Channel 80 | 245.9875 MHz |
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