Sunvote Audience Response System M52

M52 Technical Specification V1.0 1,Appearance l Rugged ABS plastic construction,beautiful and decent, credit-card size,optional fashion sling l Dimension: 92× 54 × 8(mm) l Weight:32g (net weight) l Color: White (customize different colors need premium, MOQ and other special conditions) 2,User Identify l Each wireless keypad has a only ID code to mark the identification, the code is between 1-9999 l Each ID code of keypad can change remotely by our software system l The only ID code of keypad is consider as the identification when keypads feedback the data l By matched setting between base station and keypad, can support multi-system to use contemporary, and do not interrupt each other 3,Input l 14 key-press - 1/A 0/J 10 feedback keys - 2 functional operation keys: C cancel key, OK confirm key - 2 symbol input key: Radix point key, minus key l Can accept ODM customization (need premium, MOQ and other special conditions) 4,Output l 1 buzzer (Beep) clue on effective pressing, can open/close remotely l 38mmx16mm LCD screen displays 6 number, display size: 38mmx16mm - 0 9 available display number: 0-9 - A J available display letter: A-J - Available display 6 character ( at most can input 10 character option) - Can display signal intention, receive state, weak electricity symbol, OK indication after applying successfully l Can accept ODM customization (need premium, MOQ and other special conditions) 5,Communication technology l Adopt radio frequency RF technology: RF technology is widely used and irreplaceable in the wireless communication field. The RF signal will identify the target object automatically and receive the related data, l 2400MHz-2483MHz Standard 2.4GHz frequency, 2400MHz-2483MHz l 32 channels, the distance of channel is 2M l RF frequency < 0dBm l 32 channel, automatically follow and fix base station frequency, excellent anti-interference l Keypad adopt built in omni antenna, it’s hard to destroy, the effect of body to transmission distance is small 6,Communication range l Can safely use 30×30 square meters in door ( 400 square meter – 900 square meter, according to ground environment ) l The geometry layout of room, the reflect specialty of different material, at the most condition, it will get better effect when take the base station to higher place l Can accept customize more communication distance (need premium, MOQ and other special conditions) 7,Communication speed l Can receive data from 400 keypads within 10 seconds ( in theory ) l Can receive data from 100 keypads within 10 seconds( in theory ) l Can receive data from 200 keypads within 15 seconds (experience) l As usual, base station receive 1-60 keypad data per second ( on average about 40pcs/second ) 8,Electrical source and electrical source management l Adopt 2X CR2032 button batteries, (CR2032×2) l Setting the auto-offline time when without operation (30 seconds – 255 mines ) l Offline current<25uA , normal working current<4mA, the biggest current<32Ma l Under the condition of full electricity, can vote above 10000 questions or vote continuously above 50 hours l Standby time 1 year ( Wansheng Battery ) l Support software shut down remotely9,Reliability l Can bidirectional confirm and display when receive data l Automatically lock frequency, can auto-follow frequency of base station, keypad don’t need to set in when irrupt base station to change frequency 10,Capacity and expansibility l Each base station can deal with above 400 keypads l Most can support 32 sets device to use at the same time, and don’t affect each other ( the target of research and develop, need to test)