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D-820FC Fee Counter and Phone Manage3
https://www.telewell.com.tw/ Telewell Electric Co., Ltd.
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Home Products Fee Counter & Phone Manager D-820FC Fee Counter and Phone Manage
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D-820FC Fee Counter and Phone Manage

D-820FC

．3-Line large LCD display ．150 Outgoing call memories ．Auto detect fee counter 12KHZ pulse signal or 16KHZ pulse signal 1699009