Mfg Part Number : 33122	Ocean Reef Used Underwater 2-Way Radio Communication Unit Customer reviews see below Features a digital driver for vocal message equalization, an automatic system for activating (DAT) transmission and a double transceiver channel The standard frequency (channel one) is the same for all units, so it is possible to talk directly with any other GSM DC, GSM DAT, GSM, M-101A receive units, surface M-105 Digital units and all previous surface systems (M103 - M104 - M105) The double channel allows two different diver groups to operate in the same area, limiting the interference between them Divers Baseball Cap $6.95 Oceanreef Underwater Receiving Unit $370.00 Scuba Equipment Care & Maintenance Book $19.95		$419.95

Customer Reviews for Ocean Reef GSM Dual Channel Communication Unit: (Review this product)
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Average Customer Review: based on 2 reviews.

Rating: Awesome
Reviewer: Richard Belmore, Friday, July 06, 2007
Im a member of a Dive Team, we used the Communication units on a drowning recovery. The Units worked perfectly, we used them along with our surface unit to guide he divers through low vis conditions.

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179 out of 342 people found this review helpful.



Rating: Comm Unit
Reviewer: James Athey, Tuesday, September 19, 2006 - View all my reviews
I understand that these are quality comm units, but we had difficulties and decided to purchase a competitors model instead. James

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230 out of 474 people found this review helpful.