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WAVEGUIDE SIZES for MICROWAVE AMATEUR RADIO

 

EIA designation
(Standard US)
and /RG number
RCSC Designation
(Standard UK)
Band Inside Dimensions
inches
Outside Dimensions
inches (typ)
Standard Freq Range, GHz Cutoff Freq GHz,
Source #1, (Source #2)
Loss per foot
Low end - High end
of waveguide band
Power Handling
Low to High freq
MW=Megawatts, kW=Kilowatts
WR650 /RG69 WG 6 - 6.50, 3.25 6.66, 3.41 1.12 to 1.70 ? (0.91) - -
WR430 /RG104 WG 8 - 4.30, 2.15 4.46, 2.31 1.70 to 2.60 ? (1.37) - -
WR340 WG 9A - 3.40, 1.70 3.56, 1.86 2.10 to 3.00 ? (1.6) - -
WR284 /RG48 WG 10 - 2.84, 1.34 3.00, 1.50 2.60 to 3.95 ? (2.08) - 2.2 - 3.2 MW
WR229 WG11A - 2.29, 1.145 2.418, 1.273 3.30 to 4.90 ? (2.58) - 1.6 - 2.2 MW
WR187 /RG49 WG12 - 1.872, 0.872 2.000, 1.000 3.95 to 5.85 ? (3.16) - 1.4 - 2.0 MW
WR159 WG13 - 1.590, 0.795 1.718, 0.923 4.90 to 7.05 ? (3.71) - 0.79 - 1.0 MW
WR137 /RG50 WG14 - 1.372, 0.622 1.500, 0.750 5.85 to 8.20 ? (4.31) - 560 - 710 kW
WR112 /RG51 WG15   1.122, 0.497 1.250, 0.625 7.05 to 10.00 ? (5.27) - 350 - 460 kW
WR90 /RG52 WG16 X 0.900, 0.400 1.000, 0.500 8.20 to 12.4 ? (6.56) - 200 - 290 kW
WR75 WG17 - 0.750, 0.375 0.850, 0.475 10.0 to 15.0 ? (7.87) - 170 - 230 kW
WR62 /RG91 WG18 Ku 0.622, 0.311 0.702, 0.391 12.4 to 18.0 9.50 (9.52) - 120 - 160 kW
WR51 WG19 - 0.510, 0.255 0.590, 0.335 15.0 to 22.0 ? (11.57) - 80 - 107 kW
WR42 /RG53 WG20 K 0.420, 0.170 0.500, 0.250 18.0 to 26.5 14.08 (14.05) 0.26 - 0.20 dB 43 - 58 kW
WR28 /RG96 WG22 Ka 0.280, 0.140 0.360, 0.220 26.5 to 40.0 21.08 (21.08) 0.44 - 0.30 dB 22 - 31 kW
WR22 /RG97 WG23 Q 0.224, 0.112 0.304, 0.192 33.0 to 50.0 26.34 (26.82) 0.62 - 0.42 dB 14 - 20 kW
WR19 WG24 U 0.188, 0.094 0.268, 0.174 40.0 to 60.0 31.36 (31.06) 0.77 - 0.54 dB ? kW
WR15 /RG98 WG 25 V 0.148, 0.074 0.228, 0.154 50.0 to 75.0 39.87 (39.34) 0.10 - 0.80 dB ? kW
WR12 /RG99 WG 26 E 0.122, 0.061 0.202, 0.141 60.0 to 90.0 48.35 (49.18) 1.8 - 1.0 dB ? kW
WR10 WG 27 W 0.100, 0.050 0.180, 0.130 75.0 to 110.0 59.01 (59.01) 2.0 - 1.4 dB ? kW
WR8 WG 28 F 0.080, 0.040 0.160, 0.120 90.0 to 140.0 73.77 (73.77) 3.0 - 2.0 dB ? kW
WR6 WG ? D 0.065, 0.0325 0.145, 0.112 110 to 170 90.79 (84.31) 3.8 - 3.0 dB ? kW
WR5 WG ? G 0.0510, 0.0255 0.131, 0.105 140 to 220 115.7 (118.03) 6.1 - 3.8 dB ? kW
WR3 WG ? Y 0.034, 0.0170 0.114, 0.097 220 to 325 196.71 (196.71) 10.0 - 0.7 dB ? kW