Here is the spec of the radio I intend to monitor on. Please let me
know which scanner would be good. I'm afraid some scanners won't
cover the frequency range. Thanks in advance.

* Spec. :
Base Unit Handset
Transmitter
~~~~~~~~~~~
Frequency 343MHz 307MHz
Output Power High: 4W
Low: 1 W 450mW
Spurious Emission -50dBc -40dBc
Current Consumption: Stand-by 300mA 9 ~75 mA
Current Consumption: Talk 1100mA 500mA

Receiver
~~~~~~~~
Frequency 307MHz 343MHz
Sensitivity at 12 db SINAD(CCITT) -120dBm -119dBm
Adjacent channel rejection 50dBc 50dBc
Spurious Response 80dBc 80dBc