Someone

	first_ZF = (freq) / 1000;

	if (abs(MIN2(abs(first_ZF-1190),abs(first_ZF-1790))) <
		   abs(MIN3(abs(first_ZF-1202),abs(first_ZF-1542),abs(first_ZF-1890))))
		_fband = 2;
	else
		_fband = 3;

	if (_fband == 2) {
		if (((first_ZF >= 950) && (first_ZF < 1350)) ||
				    ((first_ZF >= 1430) && (first_ZF < 1950)))
			reg0[1] = 0x07;
		else if (((first_ZF >= 1350) && (first_ZF < 1430)) ||
					 ((first_ZF >= 1950) && (first_ZF < 2150)))
			reg0[1] = 0x0B;
	}

	if(_fband == 3) {
		if (((first_ZF >= 950) && (first_ZF < 1350)) ||
				    ((first_ZF >= 1455) && (first_ZF < 1950)))
			reg0[1] = 0x07;
		else if (((first_ZF >= 1350) && (first_ZF < 1420)) ||
					 ((first_ZF >= 1950) && (first_ZF < 2150)))
			reg0[1] = 0x0B;
		else if ((first_ZF >= 1420) && (first_ZF < 1455))
			reg0[1] = 0x0F;
	}