ARF53 User GuideRef. 08-07-V6-lmn p 10NOTEwhen delivered this modem is set up in Narrow Band to optimize the range.NOTE 1The RF out power could be adjusted using AT commands (see register S231).Radio channels & Sub-bandsThe 50 channels are available according to the following table:ChannelS200Frequency(MHz)ChannelS200Frequency(MHz)Low Sub Band High Sub Band0 902.75 25 915.251 903.25 26 915.752 903.75 27 916.253 904.25 28 916.754 904.75 29 917.255 905.25 30 917.756 905.75 31 918.257 906.25 32 918.758 906.75 33 919.259 907.25 34 919.7510 907.75 35 920.2511 908.25 36 920.7512 908.75 37 921.2513 909.25 38 921.7514 909.75 39 922.2515 910.25 40 922.7516 910.75 41 923.2517 911.25 42 923.7518 911.75 43 924.2519 912.25 44 924.7520 912.75 45 925.2521 913.25 46 925.7522 913.75 47 926.2523 914.25 48 926.7524 914.75 49 927.25Figure 3:Channels & Sub bands