Psion Range (Multiterm III) with TINY radio header, sourced from Psion-u through TTL port,
Psion WorkAbout with COMPACT radio header, power source alkalic acumulators header and Psion too - setALKA,
Psion WorkAbout with COMPACT radio header, Li – battéry, Psion sourced from original NiCd block, prepared for docking station - setDOCK
setALKA – set with RAM alkalic acumulators with charger RAM - for PSION alone (2x AA size), and for battery of radio header by jack-connector (1xAA size battery).
setDOCK – set with PSION sourced from original NiCd battery pack with charging from original
Docking station with builded RS232 interface. Radio header's power source is high capacity Li-battery 6500 mAh with lifetime 10 years.