BenQ-Siemens P51 is a Windows Mobile 5.0 PDA smartphone developed by BenQ Mobile. It comes with an array of wireless connectivity including a built-in GPS receiver, Bluetooth and Wi-Fi. Like the BenQ P50 before it, the P51 took long to market - it was announced in March 2006 but was only first available in November 2006 in China, and March 2007 in Singapore and Turkey.
The next BenQ Windows Mobile device platform would be the BenQ E72 is the bar form factor without touch screen, had run on Windows Mobile 6.1 Standards (Smartphone Edition). It was released in 2010.
Specification sheet Feature Specification Form factor Candybar Operating System Windows Mobile Version 5.0 Screen TFT touchscreen, 256K colors, QVGA, diagonal 2.8" Size 122 x 60 x 20 mm, 130 cc CPU ARM920T PXA27x 400 MHz Internal Dynamic Memory (RAM) 64 MB Internal Flash Memory (ROM) 128 MB Camera 1.3-megapixel Video recording yes, QVGA (320x240) Memory card slot Yes, SDIO/MMC GPS Yes Bluetooth Yes Wi-Fi Yes Infrared No Data cable support Yes, mini USB port Email Yes (ActiveSync, POP3, IMAP4 and SMTP, with SSL/TLS) Music player Yes Radio No Video Player Yes Polyphonic tones Yes, 64 chords Ringtones Yes, MP3/WMA HF speakerphone Yes, with 2.5 mm audio jack Offline mode Yes Battery 1370 mAh) Talk time up to 4 h Standby time up to 150 hours
References
BenQ-Siemens P51 specifications BenQ-Siemens P51 User Guide