Quality certificate: CE and ROHS. GSM mode: 900/1800MHz 1900MHz optional. Quality standard: ISO9001:2008. Place of Origin: Guangdong, China (Mainland). Производитель: Mandsen. Размер модели: MTC-AL06GSM. Применение:
Производитель: DC 5 V gas Test Module. Размер модели: gas sensor. Two-way signal output: analog output, and TTL level output. Dimensions: 32mm x22mm X27mm(length X width X high). The main chip: LM393, MQ-7 gas sensor.