A guide to Nokia BSR80(80 MHz)/BSR150(150 MHz)/BSR230(230 Mhz)/BSR450 (450 MHz) PMR base station radio versions. This is a Nokia OEM version of Kyodo KG110 base/repeater used in older Actionet trunked networks. BSR80 68...88 MHz BSR150L 136...155 MHz BSR150U 146...174 MHz BSR230 223...231 MHz BSR450C 400...440 MHz BSR450L 400...440 MHz BSR450D 440...480 MHz BSR450U 440...480 MHz N indicates 12,5 kHz version, e.g. BSR450LN