|
Citizens Band
(95.901)
|
FRS
(95.501)
|
MURS
(95.2701)
|
GMRS
(95.1701)
|
Amateur Technician Class
(Part 97)
|
---|---|---|---|---|---|
Frequency Range |
Low VHF
27MHz
|
UHF
460MHz
|
VHF
150MHz
|
UHF
460MHz
|
Low VHF and up
29MHz+
|
Channels | 40 | 22 | 5 |
30
Note: shared with FRS except for repeater channels
|
Unlimited (Subject to local band plan agreements) |
License Required
|
No. License by FCC rule
|
No. License by FCC rule. Secondary user, so subject to interference from primary licensees. | No. License by FCC rule. Secondary user, so subject to interference from primary licensees. | Yes. $35 license for 10 year term. No test required. License covers licensee + 'family' (95.1705) | Yes. $35 non-refundable fee and 35 question test for 10 year term. License covers individual only. |
Maximum Power /
Expected Range
|
4 watts (AM)
12 watts (SSB)
Realistic range in rural environment 10-20 mi?
|
2 watts. Range arbitrarily limited by fixed antenna requirement. Realistic range in rural environment 3-5 mi? | 2 watts. Range may be extended by improved external antenna, but no repeaters permitted. Realistic range in rural environment 5-7 mi? | 50 watts. Range may be extended by external antenna and repeaters. Simplex range in rural environment 15-25 mi? |
1500 watts. Sub bands may have lower limits. 50+mi range simplex in ideal conditions. Repeaters and linking can arbitrarily extend range.
|
Data | No (95.971) | Yes (95.531(a)) | Yes (95.2731 (a) and (b)) | Yes (95.1731 (d)) | All analog and digital emission types permitted* |
Type Accepted Equipment Availability
|
Inexpensive vehicle mount systems commonly available. Handheld units uncommon with relatively poor performance due to antenna size. | Inexpensive handheld units commonly available. Units capable of data transfer uncommon. | Inexpensive handheld units commonly available. Units capable of data transfer uncommon. | Inexpensive handheld units commonly available. Vehicle mount systems available. Repeater systems commercially available. | FCC type acceptance not required. |