User's Manual

4. Specification
4.1 CPU
Type uPD789860 (8bit)
Manufacturer: NEC Corporation
ROM 4K bytes
RAM 128 bytes
EEPROM 16 bytes
Clock frequency 5MHz
Clock frequency generation Ceramic resonator
Package 20pin SOP
4.2 RF block
Carrier frequency 315.1MHz
Frequency generation Crystal resonator
Modulation FSK
Bit transmission rate 1000bps or 2000bps
Bandwidth 120KHz
RF output power (field strength)
10.8uW（6000μ V/m） at3m max
4.3 Others
Dimension
55.7mm× 33.8mm× 11.8mm
Weight 18.0g
Battery Lithium cell (CR2032)
Manufacturer: Maxell or Panasonic
Operation Voltage DC 3V, 220mAh
Operation temperature
-20℃ ~ +60℃
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