The BD505 is a digital two way radio from Hytera. The ideal radio for analogue to digital migration, the BD505 is able to support both modes using the same hardware. The radio is able to detect the signal type when receiving a call, automatically switching between analogue and digital to ensure ease of communications for the operatives. If you have an analogue system in school then the BD505 can be the best option if you're looking to slowly change to digital without splashing out on a whole new system.
 
Dimensions 108 x 54 x 29mm
Weight 220g (with 1500mAh battery and AN0435W09)
Dual modes (analog & digital)
48 channels, 3 zones 64 contacts in digital mode
12.5/25KHz selectable channel spacing
Operates under 16 hours (in digital mode) a duty cycle of 5-5-90 @1500mAh
Digital voice call function
Scan (analogue channel only or digital channel only)
One touch call
MIL-STD-810 C/D/E/F/G standards
IP54 Compliance
TDMA Direct Mode
Analog & Digital Mixed Channel Receiving
Emergency Alarm (via programming)
VOX